Cary Audio Design Car Amplifier SLP 05 User Manual

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SLP 05  
Pure Balanced Vacuum Tube  
Preamplifier  
NOTE: Before installing your new component, please read this manual  
carefully as it will inform you of the product specifications, proper  
installation and correct operating procedures for your unit. Also included  
in this manual are guidelines on how to service and care for your new  
Cary Audio Design product.  
 
IMPORTANT SAFETY INSTRUCTIONS  
WARNING: The triangle with the lightning flash  
symbol displayed on the unit advises the user of  
dangerous un-insulated voltage inside the product’s  
enclosure.  
CAUTION: To reduce the risk of electric shock, do  
not remove the cover. There are no user-  
serviceable parts inside; it is recommended that only qualified personnel service this component.  
ALERT: The triangle with the exclamation point symbol on the component suggests that the owner refer to  
important operating and maintenance instructions in the owner’s manual.  
1. OWNER’S MANUAL: Before powering up the equipment, read all safety and operating instructions and follow  
them as instructed. Retain the safety and operating instructions for future reference.  
2. ATTACHMENTS: Use only those attachments recommended by the unit manufacturer, as others may cause  
hazards.  
3. ACCESSORIES: Do not place the unit on an unstable cart, stand, tripod, bracket, or table. The unit may fall,  
causing injury to a person or damage to the unit. Mount the unit according to the manufacturer’s instructions with  
the suggested mounting accessory.  
4. WALL OR CEILING MOUNTING: Mount the unit to a wall or ceiling only in the manner recommended by the  
manufacturer.  
5. WATER AND MOISTURE: Do not use the unit near water (for example, near a swimming pool, bath tub, wash  
bowl, kitchen sink, or laundry tub) or in a damp environment (like a basement or outside in the rain).  
6. OBJECT AND LIQUID ENTRY: Do not push objects of any kind into the unit through openings as they could touch  
dangerous voltage points and short-out parts, possibly resulting in a fire or electric shock. Avoid spilling liquid of any  
kind on the unit. If water or any metal object (such as a paper clip, coin, or staple) accidentally falls inside the unit,  
disconnect it from the AC power source immediately and contact Cary Audio Design for further instructions.  
7. HEAT: Position the unit away from heat sources such as radiators, heat registers, stoves, or other units (including  
amplifiers) that produce heat.  
8. VENTILATION: Slots and openings in the cabinet create ventilation to protect the component from overheating.  
These openings on the top and bottom panels must remain unobstructed. Allow at least 6 inches (16cm) of clearance  
above the unit and an opening behind the unit for airflow. Do not place the unit on a bed, sofa, rug, built-in  
bookcase, or rack without adequate ventilation.  
9. GROUNDING OR POLARIZATION: As a safety feature, the unit may be equipped with a polarized alternating  
current line plug in which one blade is wider than the other. This plug will fit into the power outlet only one way. If  
you cannot insert the plug fully into the outlet, try reversing the plug. If the plug still will not fit, contact a licensed  
electrician to update your obsolete outlet. Do not defeat the safety purpose of the polarized plug.  
10. POWER SOURCES: Operate the unit only from the power source indicated on the marking label. If you are  
unsure of the type of power supplied to your home, consult your unit dealer or local power company.  
11. POWER CORD PROTECTION: Arrange power supply cords so that they do not suffer from foot traffic or pinching  
by items placed on or against them. Pay close attention to cords where plug enter the AC outlet and where they exit  
from the unit.  
12. LIGHTNING: For added protection during a lightning storm or when is the component is idle for long periods of  
time, unplug the unit from the wall outlet and disconnect the antenna or cable system. This will help protect the  
unit from lightning and power line surge damage.  
13. POWER LINES: Do not locate an outside antenna system in the vicinity of overhead power lines or other electric  
light or power circuits. When installing an outside antenna system, take extreme care to avoid touching the power  
lines or circuits; contact with them could be fatal.  
14. OVERLOADING: Do not overload wall outlets, extension cords, or integral convenience receptacles as this  
increases the risk of fire or electric shock.  
2
 
IMPORTANT SAFETY INSTRUCTIONS  
15. REPLACEMENT PARTS: When replacement parts are required, be sure the service technician has used  
replacement parts specified by the manufacturer or those having the same characteristics as the original parts.  
Unauthorized substitutions may result in fire, electric shock or other hazards.  
16. SAFETY CHECK: Upon completion of any service or repairs to the unit, ask the service technician to perform  
safety checks to ensure the unit is in proper operating condition.  
17. IMPORTANT SAFETY NOTE:  
Before connecting a new product such as the CD 303T to your audio or home theater system, turn off all other  
equipment (preferably unplugging them from the AC power source). Many audio components feature automatic  
turn-on circuits that may activate during an installation, potentially causing damage to electronic components  
and/or speakers. This type of damage is not covered by product warranties, and Cary Audio specifically disclaims  
responsibility for any such damage.  
Power Cord: The removable power cord provided with your player was specifically designed  
for use with this product, but other AC cords may be used. Consult your dealer for advice on AC  
power cords and high quality wire in your system.  
AC Fuse: The fuse is located inside the chassis and is not user serviceable. If the unit does not  
power up, contact an authorized service representative  
Wiring: Cables running inside walls should have the appropriate markings to indicate compliance and listing by  
the UL, CSA or other standards required by the UL, CSA, NEC or your local building code. Questions about  
cables inside of walls should be referred to a qualified custom installer, a licensed electrician, or low-voltage  
contractor.  
18. RECORDING COPYRIGHT: Recording of copyrighted material for other than personal use is illegal without  
permission of the copyright holder.  
19. NOTE TO CATV SYSTEM INSTALLER: This reminder is provided to call the CATV system installer's attention to  
article 820-40 of the NEC, ANSI/NFPA 70, which provides guidelines for proper grounding and, in particular, specifies  
that the cable ground shall be connected to the grounding system of the building as close to the point of cable entry  
as practical.  
20. FCC INFORMATION FOR USER:  
CAUTION: Any changes or modifications not expressly approved by Cary  
Audio Design could void the user's authority to operate the equipment.  
NOTE: This equipment has been tested and found to comply with the limits  
for a Class B digital device pursuant to Part 15 of the FCC Rules.  
These limits are designed to provide reasonable protection against harmful interference in a residential  
installation. This equipment generates and can radiate radio frequency energy, and if not installed and used in  
accordance with the instructions it may cause harmful interference to radio communications. However, there is  
no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful  
interference to radio or television reception, which can be determined by turning the equipment off and on, the  
user is encouraged to try to correct the interference by one or more of the following measures:  
Reorient or relocate the receiving antenna.  
Increase the separation between the equipment and receiver.  
Connect the equipment into an outlet on a circuit different from where the receiver is  
connected.  
21. OUTDOOR ANTENNA INSTALLATION/SAFE ANTENNA AND CABLE CONNECTION:  
If an outside antenna or cable system is connected to the equipment,  
be sure the antenna or cable system is grounded in order to provide  
protection against built-up static charges and voltage surges. Article  
810 of the National Electrical Code, ANSI/NFPA 70 (in Canada, Part 1  
of the Canadian Electrical Code) provides information regarding  
proper grounding of the mast and supporting structure, grounding of  
the lead-in wire to an antenna discharge unit, size of grounding  
conductors, location of antenna discharge unit, connection to  
grounding electrodes and requirements for the grounding electrode.  
Outside antenna system should be located well away from power  
lines, electric light or power circuits and where it will never come into  
contact with these power sources if it should happen to fall. When  
installing an outside antenna, extreme care should be taken to avoid  
touching power lines, circuits or other power sources as this could be fatal. Because of the hazards involved,  
antenna installation should be left to a professional  
3
 
WELCOME  
PRODUCT OVERVIEW  
We at Cary Audio Design would like to thank you for purchasing the new SLP 05  
preamplifier.  
The following is an overview of the design characteristics of the SLP 05.  
The SLP 05 employs a fully balanced circuit topology, from input-to-output, that actively cancels  
external electrical and radio frequency noise picked up by audio cables. The sonic result is a  
greatly improved signal-to-noise level ratio with palpable, three-dimensional images of  
instruments and vocalists in a natural acoustic space. Balanced operation also ensures more than  
adequate output voltage to drive any balanced amplifier throughout the entire audio range with  
the all-too-rare combination of vibrancy, immediacy and control. An added feature of the new SLP  
05 permits “balanced to single-ended” and “single- ended to balanced” audio connections for the  
greatest flexibility of use in your system.  
Listeners today have more choices of playback sources than ever before, and the SLP 05 offers  
complete flexibility to accommodate them. In addition to three RCA unbalanced line level inputs,  
there are two balanced XLR stereo inputs along with a dedicated tape input as well. Included is  
a pair of cinema processor inputs for either RCA single-ended or XLR balanced connections.  
Outputs include both RCA single-ended and Balanced XLR connections. The XLR balanced in and  
out connections follow the “Cannon plugs” pin out wiring standard. Pin #1 is the shield, pin #2  
is the normal-phase (hot lead) and pin #3 is the inverted signal.  
The special Cinema Bypass feature routes the balanced or unbalanced cinema inputs directly to  
their corresponding outputs, bypassing all the SLP 05 circuitry and turning over control to the  
user’s cinema processor. The cinema bypass circuitry may be engaged by toggling the Cinema  
bypass switch on the front panel of the preamplifier. If the SLP 05 power switch is turned to the  
off position, the SLP 05 automatically defaults to the cinema bypass mode.  
All switches in the SLP 05 are gold-contact types to ensure signal purity and high resistance to  
wear and oxidation over years of use. Single-throw toggle switches and solid-seating rotary  
switches along the machined aluminum front panel are easy to use and provide unambiguous  
indication even in low light. All source inputs and the audio mute function are switched through  
hermetically sealed, gold plated contact relays. Listening level (volume) is controlled with a  
high-precision Alps potentiometer that is mechanically driven by command from the infrared  
remote control. A front-panel mute/operate switch offers additional convenience when  
switching cables or changing a record. Remote muting is also possible by switching the SLP 05  
remote handset button to the mute position. The remote handset now takes over the control of  
this feature.  
Reflecting the growing popularity of high performance headphones, the SLP 05 features a state of  
the art headphone amplifier stage based on the popular 6SN7 vacuum tube. This is a “zero  
feedback” circuit design and is transformer-coupled, guaranteeing extended, uniform frequency  
response regardless of the headphone driver type. Sufficient drive current is available to power  
headphones with impedance’s from 30 to 300 ohms. A front panel toggle switch allows use of the  
onboard headphone amplifier.  
4
 
WELCOME  
CIRCUITRY  
The SLP 05 is a no compromise line stage and headphone amp. The power supply is vacuum  
tube rectified and has a 5AR4 vacuum tube rectifier lying on its side inside the unit. The 5AR4  
tube has a separate cathode from the filament so any position of mounting is proper. It was  
horizontally mounted to keep the power supply the same height as the preamplifier. The  
rectifier tube provides the high-voltage (B+) plate voltage. Two separate filter chokes and a fully  
regulated shunt coupling capacitor ensure stable and ripple-free voltage resulting in a very low  
noise and spacious sound stage.  
The preamplifier has eight (8) 6SN7 dual triodes octal socket vacuum tubes. Four (4) of the  
6SN7's act as the true balanced main line section. Two (2) of the 6SN7's are operating in the  
front end ahead of the gain stage as balanced plus/minus 180 degree input buffer stage. The  
remaining two (2) 6SN7's function as a ‘Class A’ push-pull zero feedback headphone amplifier.  
This headphone section amplifier has two on board output transformers to transform the high  
impedance of the 6SN7's to low impedance for driving the headphones.  
There are two power switches to control the AC input voltage to the preamplifier. The large  
knob on the power supply is the mains power switch. If one places the power supply in another  
location, the main power switch is turned on. A blue LED in the knob indicates the power  
supply can be activated by the preamplifier section. Turning the preamplifier power switch  
sends 12 volts DC to the power supply relay to turn on the main power transformer that powers  
the tube rectification along with all other voltages required to place the SLP 05 in operation.  
The two meters on the front of the power supply indicate the B+ plate voltage (210 VDC) along  
with the plate current (60 ma.). You will always know at a glance if all is OK with the operating  
conditions.  
The SLP 05 is engineered and built to provide a lifetime of musical enjoyment with facilities  
and features that ensure future compatibility and audiophile performance for many years to  
come. This preamplifier is a future collector’s item and deserves to be installed with the finest  
ancillary equipment available, such as the CD 306 SACD Pro disc player or the CAD 211FE  
power amplifiers.  
5
 
WELCOME  
UNPACKING AND INSTALLATION  
Unpacking  
Your Cary Audio Design product was shipped in a carton particularly designed to protect its  
contents, and special care has been taken to prevent damage during shipping.  
Carefully remove your new component from its packing carton and examine it closely for signs of  
shipping damage. If shipping damage is discovered, document the damage with photographs,  
contact the transport carrier immediately, and retain the packing as evidence.  
We strongly recommend saving all original packing cartons to protect your component for  
storage or future shipping.  
Power Requirements  
The SLP 05 Preamplifier is designed to operate from AC mains current. The specified  
AC voltage is either 110-120 volts or 220-240 volts AC at 50-60 Hz.  
Warranty Card  
If you are the original purchaser of this unit and you purchased it in the United States, fill out the  
enclosed warranty registration card and return it to Cary Audio Design within 15 days of your  
purchase. Warranty restrictions apply. Consult the warranty section of this manual for details.  
Please keep a copy of the original sales receipt from your Authorized Cary Audio Design dealer to  
validate the warranty if necessary.  
6
 
SPECIFICATIONS  
Operating the SLP 05 Preamplifier is a simple procedure since each unit is designed for long-  
term stability in virtually any home operating situation. However, if the unit is operated outside  
the parameters outlined in this owner’s manual, damage may occur. Please read this manual  
carefully before operating your new SLP 05 Preamplifier.  
GENERAL SPECIFICATIONS  
................................................................................................................................................  
Circuit Design  
................................................................................................................................................  
Output Voltage 2 Volts rated, 12 Volts maximum  
................................................................................................................................................  
Class A Triode Vacuum Tube Preamplifier Design  
Overall Gain  
10dB Single-Ended RCA  
8dB Balanced Operation  
................................................................................................................................................  
Rated Distortion 0.03 % THD  
................................................................................................................................................  
Noise and Hum -90 dB below full output  
................................................................................................................................................  
Input Impedance  
50,000 Ohms - RCA  
100,000 Ohms - XLR  
................................................................................................................................................  
Output Impedance 400 Ohms  
................................................................................................................................................  
Frequency Response 5 Hz to 250,000 Hz  
................................................................................................................................................  
Vacuum Tubes  
8 ea - 6SN7 tubes for the balanced, headphone and gain  
stages  
1 ea - 5AR4 Rectifier Tube in Power Supply  
................................................................................................................................................  
Power Transformers R Core 200% Duty Cycle  
................................................................................................................................................  
Resistors 1% Metal Film  
................................................................................................................................................  
Capacitors Polystyrene, Film and Foil  
................................................................................................................................................  
Power Supply Capacitors 2 ea 560 µF @ 400 VDC  
................................................................................................................................................  
AC Cord 3 Conductor, Detachable  
................................................................................................................................................  
7
 
SPECIFICATIONS  
GENERAL SPECIFICATIONS  
................................................................................................................................................  
AC Power Requirements  
................................................................................................................................................  
Consumption 75 Watts Operation, 25 Watts - Standby  
................................................................................................................................................  
Warm-Up Time 3 Minutes  
................................................................................................................................................  
Break-In Time 100 Hours of Playing Time  
................................................................................................................................................  
117 or 234 VAC @ 50 or 60 Hz  
Chassis Finish  
Silver Anodized Aluminum Faceplate Std, Black Optional  
Jaguar® Anthracite Black Finish on Chassis  
................................................................................................................................................  
Net Weight  
16 lbs. Preamplifier  
19 lbs. External Power Supply  
................................................................................................................................................  
Dimensions  
6.25” H x 17” W x 12” D – Preamplifier  
4.5” H x 17” W x 12” D – Power Supply  
About 10.5” H Stacked Together  
FEATURES  
Features of the SLP 05 include:  
Fully Balanced Design  
Motorized remote volume control and muting  
One (1) Cinema Bypass  
One (1) tape monitor loop (RCA Connections)  
Two (2) XLR balanced stereo inputs  
Three (3) RCA stereo inputs  
One (1) XLR balanced preamplifier output  
One (1) RCA preamplifier output  
The matching ‘chassis size’ external power supply comes with 5AR4 vacuum tube voltage  
rectification and has two front panel meters for the circuit voltage and the current bias readings.  
The SLP 05 has a timer warm up circuit that allows safe use with “rapid turn on” solid state  
power amplifiers. The headphone power amplifier, using two 6SN7 octal vacuum tubes, is  
coupled through audio transformers to produce 1/2 watt per channel to drive your favorite high  
quality headphones.  
8
 
CONTROLS  
FRONT PANEL PREAMPLIFIER  
1. POWER LED (blue)  
The blue power LED will light to indicate that the 12 VDC voltage is applied to the input  
and output selector PC boards. The PC boards control the operation of the SLP 05.  
2. READY LED (red)  
Indicates that the SLP 05 preamplifier has gone through the initial bias timing delay  
and is now ready to operate. Generally this action will take about 60 to 90 second to  
complete after initial turn on.  
3. POWER SWITCH  
This switch controls the main power relay control system in the external power supply.  
Turning it to the ON position will power up the 5AR4 rectifier tube in the external power  
supply while providing the DC filament voltage for the eight (8) 6SN7 vacuum tubes on  
the SLP 05. You will notice this switch also lights the front panel meters on the power  
supply.  
4. SELECTOR  
The selector switch controls the input, gold plated relays that route the appropriate rear  
panel inputs to the volume control.  
5. OPERATE/MUTE  
This bat handle switch will either mute the output of the SLP 05 or allow the signal to  
flow to the basic power amplifier in the system. In the MUTE position the external  
hand held remote unit will take over the mute/operate function. In other words, the  
default position for remote hand set operation is in the mute mode. If set to Operate, it  
cancels the MUTE function in the remote handset.  
9
 
CONTROLS  
6. TAPE/MONITOR  
In the UP position this bat handle switch will activate the input jack on the rear panel  
labeled tape-in. This may be used for a tape recorder or for any other line level input..  
7. ON/HEADPHONES  
In the UP position will engage the headphone amplifier in the SLP 05. You should  
turn off your power amplifier when listening to the headphone section. Headphones  
in the 30 to 300 ohm impedance range will work well with the transformer coupled  
headphone section.  
8. PREAMP/CINEMA  
This toggle switch will provide a complete pass through of the Cinema inputs on the rear  
panel to the power amplifier or amplifiers hooked to the SLP 05. The down position  
creates this pass through. In the up position, the SLP 05 signals are active to the  
matching power amplifiers. (Please note: with the power turned off, the default will be  
Cinema by-pass).  
9. LISTENING LEVEL  
The large knob with the blue LED will control the input level to the preamplifier input  
section. This controls the output level of the SLP 05 to the basic amplifier or amplifiers  
attached to the SLP 05. This control is a motorized analog potentiometer. Depending on  
the input sensitivity of the mating power amplifiers this listening level control may be  
used in any position. Do not be concerned if,  
for instance, you have the control up at say, 3:00 o’clock or even all the way up. This  
does not stress the SLP 05 in any fashion. The SLP 05 is a Class A operating circuit and in  
reality is running at full potential at all times. The listening level control simply controls  
the input voltage level flow.  
10. INPUT LEVEL  
These two individual controls are used for individual left and right channel balancing.  
In the full clockwise position these controls are basically out of the circuit and allow  
full input levels to flow to the listening level (volume) control potentiometer.  
11. HEADPHONES  
Use dynamic 30-300 ohm headphones.  
10  
 
CONTROLS  
REAR PANEL PREAMPLIFIER  
Special Note: The balanced input and output XLR connectors follow the ITT Cannon pin out  
configuration. This pin-out calls for the shield to be wired to pin #1. The normal- phase (hot) is  
wired to pin #2. Pin #3 is the inverted phase.  
1.  
2.  
CINEMA INPUT FROM PROCESSOR RIGHT RCA  
CINEMA INPUT FROM PROCESSOR RIGHT XLR  
3.  
4.  
5.  
6.  
7.  
8.  
9.  
TAPE INPUTRIGHT RCA  
TAPE OUTPUTRIGHT RCA  
SERIAL NUMBER  
TAPE OUTPUTLEFT RCA  
TAPE INPUTLEFT RCA  
CINEMA INPUT FROM PROCESSOR LEFT XLR  
CINEMA INPUT FROM PROCESSOR LEFT RCA  
10. XLR1 INPUT RIGHT CHANNEL  
11. XLR2 INPUT RIGHT CHANNEL  
12. AUX1 INPUT RIGHT CHANNEL RCA  
11  
 
CONTROLS  
13. AUX2 INPUT RIGHT CHANNEL RCA  
14. AUX3 INPUT RIGHT CHANNEL RCA  
15. XLR OUTPUTRIGHT CHANNEL  
16. RCA OUTPUTRIGHT CHANNEL  
17. POWER SUPPLY6 FOOT CABLE CONNECTOR  
18. RCA OUTPUTLEFT CHANNEL  
19. XLR OUTPUTLEFT CHANNEL  
20. AUX3 INPUT LEFT CHANNEL RCA  
21. AUX2 INPUT LEFT CHANNEL RCA  
22. AUX1 INPUT LEFT CHANNEL RCA  
23. XLR2 INPUT LEFT CHANNEL  
24. XLR1 INPUT LEFT CHANNEL  
FRONT PANEL POWER SUPPLY  
1. PLATE VOLTAGE METER (210 VDC) NOMINAL  
2. PLATE CURRENT METER (60Ma) NOMINAL  
3. MAIN POWER SWITCH  
12  
 
CONTROLS  
REAR PANEL POWER SUPPLY  
1. REMOTE TRIGGER +14 VOLTS FOR POWER AMPLIFIERS  
2. REMOTE TRIGGER +14 VOLTS FOR POWER AMPLIFIERS  
3. 1A SLOW BLOW FUSE  
4. AC POWER JACK  
5. 1A SLOW BLOW FUSE  
6. CONNECTION TO PREAMPLIFIER  
7. 120v/50Hz-60Hz  
8. 240v/50Hz-60Hz  
9. SERIAL NUMBER  
13  
 
CONTROLS  
REMOTE CONTROL  
The SLP 05 remote control included with the SLP 05 is designed to function with several of our  
products. For use with the SLP 05, only the “Volume” and “Mute” buttons on the bottom of the  
remote will be used. If you have a CD-500 disc player, many of the other remote functions will be  
used to control its operation. It will also function with any of our other remote controlled  
preamplifiers, integrated amplifiers, and all products from the Concept line.  
1. VOLUME UP AND DOWN  
2. MUTE  
14  
 
OPERATION  
BASIC OPERATION  
The operation of your new SLP 05 is straight forward and not complicated. You may wish to  
stack the preamplifier on top of the matching power supply. Indentations on the top panel of  
the SLP 05 power supply will accommodate this set up. You certainly may separate the two  
units as well. The multi-conductor power cable is 6 foot in length to allow a separate location  
of the power supply.  
Operation can start after all interconnects and power cables have been installed. The large knob  
on the power supply is the mains power switch. If one places the power supply in a remote  
location the main power switch is turned on. A blue LED in the knob indicates the power supply  
can be activated by the preamplifier section. Turning the preamplifier power switch sends 12 volts  
DC to the power supply relay to turn on the main power transformer that powers the tube  
rectification along with all other voltages required to place the SLP 05 in operation. The two  
meters on the front of the power supply indicate the B+ plate voltage (210 VDC) along with the  
plate current (60 ma.). You will always know at a glance if all is OK with the operating conditions.  
The large main power supply power switch maybe left in the ON position continuously.  
When you activate the preamplifier power on switch you will notice a blue LED showing at the  
left lower side of the front panel. This indicates the SLP 05 is receiving the necessary power from  
the matching supply. After approximately 60 to 90 seconds please observe the red LED labeled  
ready. The SLP 05 is ready to operate into the matching basic power amplifiers at this time.  
Operating the SLP 05 from the remote hand set will allow volume level changes. The remote  
handset sends an infrared signal to the receiver on the left lower portion of the front panel.  
This signal is then received and directs the internal processor to send DC voltage to the motor  
attached to the rear of the volume control potentiometer. If you would also like to have the  
feature of the remote mute function simply place the mute- operate switch into the lower  
mute position. Now the remote hand set will control the mute-operate function.  
HEADPHONE LISTENING  
If you choose to listen with headphones simply turn off the system power amplifiers.  
Then flip the headphone switch on the front panel to the up position. Plug in any 30 to  
300 ohm set of headphones into the ¼ inch stereo jack. The regular functions of the SLP  
05 still apply when listening with headphones. After a listening session utilizing the  
headphone amplifier in the SLP 05 once again toggle the headphone switch to the lower  
position. You can then switch back on the main system amplifiers.  
15  
 
SERVICE AND CARE  
CARE AND CLEANING  
Unplug the unit from the wall outlet before cleaning. Clean the cabinet housing and front panel of  
the SLP 05 with a soft cloth and a glass cleaner (such as Windex). The frequency of cleaning will  
vary based on the cleanliness of the environment and the number of hours the SLP 05 is  
operated. Do not use solvents or harsh chemicals to clean the preamplifier. They may remove the  
labels or lettering from the chassis. Avoid letting the component become dusty or wet. A ‘feather  
duster’ type cleaner will also work well for cleaning the component when the unit is cool.  
FACTORY SERVICE  
Careful consideration has been given to the design of your SLP 05 to keep maintenance  
problems to a minimum. Any problems or requests for service should be referred to our  
Customer Service Department at 919.355.0010. Do not return the SLP 05 to the factory without  
a return authorization number (RA) from the Customer Service Department. Refer to the next  
section for details about returning equipment to Cary Audio Design.  
Should the unit be lost or damaged in shipment, Cary Audio Design will assume no  
responsibility if the shipping company refuses to pay for damage due to your improper packing  
or lack of insurance. Please use the original shipping carton for shipping the player.  
NON-WARRANTY REPAIRS  
Cary Audio Design will provide repair service for its products charging on a time and expense  
basis. Please call Cary Audio Design at 919.355.0010 for more information about out-of-  
warranty service and repair fees.  
WARNINGS  
Make no attempt to put the SLP 05 Preamplifier in service with the  
chassis open - Contact with high voltages found in the unit can be fatal.  
Completely remove AC power plug from the wall and allow 30 minutes  
for the high voltage capacitors to discharge through bleeder resistors  
before attempting to clean the inside of the component.  
CAUTIONS  
Never remove/insert AC plug when the unit is on or the AC power switch is  
in the “ON” position.  
16  
 
SERVICE AND CARE  
TUBE PLACEMENT CHART  
Refer to the diagram below for the location of the tubes and their functions.  
1. 6SN7 tube left channel positive phase gain buffer  
2. 6SN7 tube right channel positive phase gain buffer  
3. 6SN7 tube left channel balanced input buffer  
4. 6SN7 tube left channel negative phase gain buffer  
5. 6SN7 tube right channel negative phase gain buffer  
6. 6SN7 tube right channel balanced input buffer  
7. 6SN7 tube right channel headphone amplifier  
8. 6SN7 tube left channel headphone amplifier  
17  
 
LIMITED WARRANTY  
Cary Audio Warrants to the original United States purchaser for use in the United States  
the Following Cary Audio Products for the Periods Indicated:  
1. Power Amplifiers, Integrated Amplifiers, Surround Sound Processors, and Preamplifiers have  
a three (3) year parts and labor warranty from the date of the original purchase from Cary  
Audio.  
2. CD or SACD players, DVD players, or Music Servers have an eighteen (18) month parts and  
labor warranty from the date of the original purchase from Cary Audio.  
3. Vacuum tubes, if any are used in the component, are offered a 90-day exchange policy  
against defects with the exception of the CAVT 300B vacuum tube that has a one (1) year  
exchange policy from the date of the original purchase from Cary Audio.  
What is Covered and What is Not Covered  
Except as specified below, this warranty covers parts and labor to correct all defects in materials and  
workmanship. The following are not covered by the warranty:  
1. Damage, deterioration, malfunction or failure to meet performance specifications resulting  
from:  
a. Accident, acts of nature, misuse, abuse, neglect or unauthorized product  
modifications  
b. Improper installation, removal or maintenance, or failure to follow instructions  
supplied with the product.  
c. Repair or attempted repair by anyone not authorized by Cary Audio to repair the  
product.  
d. Any shipment of the product (claims must be presented to the carrier).  
e. Any cause other than a product defect.  
2. Cleaning, initial set-up, check-ups with no defects found, or charges incurred for installation,  
removal or reinstallation of the product.  
3. Any product, on which the serial number has been defaced, modified or removed.  
4. Batteries.  
5. Accessories, including but not limited to, batteries, cables, mounting hardware and brackets,  
cleaning accessories, antenna and detachable power cords.  
6. Warranty is void if purchase was made from anyone other than an authorized Cary Audio  
dealer.  
Who May Enforce the Warranty?  
This warranty extends to products purchased directly from Cary Audio or an authorized Cary Audio  
dealer. Purchasers should inquire of the dealer regarding the nature and extent of the dealer’s  
warranty, if any.  
To obtain such warranty service, the original purchaser must complete and send in the Warranty  
Registration Card within 15 days of purchase.  
18  
 
LIMITED WARRANTY  
What Will We Pay For?  
We will pay for all labor and material expenses for items covered by the warranty. Payment of  
shipping charges is discussed in the next section of this warranty.  
How You Can Get Service?  
In the event that the owner needs to return the unit to Cary Audio for service or repair of a possible  
defect, he must follow the following steps:  
1. Contact Cary Audio at 919-355-0010 to obtain a Return Merchandise Authorization (RMA)  
number prior to shipping; include this number with the package  
2. Submit a copy of the original sales receipt; blank receipts will not validate the limited  
warranty for service by Cary Audio. The original sales receipt must contain the following  
information:  
a. The authorized Cary Audio dealer’s name  
b. The date of purchase  
c. The unit’s sales price  
d. The buyer’s name and address  
e. Describe in detail the problem.  
f. Note the unit’s model number and serial number.  
3. Deliver by either of these methods:  
a. With all freight and insurance charges prepaid and in its original packing container  
or equivalent, ship the component to Cary Audio, 1020 Goodworth Drive Apex, NC  
27539.  
b. Hand-deliver the product to Cary Audio (address noted above) or the nearest  
authorized service facility.  
Limitation of Implied Warranties  
All implied warranties, including warranties of merchantability and fitness for particular purchase, are  
limited in duration to the length of this warranty.  
Exclusion of Damages  
Cary Audio’s liability for any defective product is limited to repair or replacement of the product at  
Cary Audio’s option. Cary Audio shall not be liable for damage to other products caused by any  
defects in Cary Audio products, damages based upon inconvenience or loss of use of the product, or  
any other damages, whether incidental, consequential, or otherwise.  
19  
 
LIMITED WARRANTY  
How State Law Relates to the Warranty  
Some states do not allow limitations on how long an implied warranty lasts and/or do not allow the  
exclusion or limitation of incidental or consequential damages, so the above limitations or exclusions  
may not apply to you.  
This warranty gives you specific legal rights, and you may also have other rights which vary from  
state to state.  
International Purchasers (Export Markets)  
Cary Audio warrants its merchandise to purchasers within the United States exclusively for use  
within the United States. It provides no other warranties, expressed or implied. If you are living  
outside of the United States, please consult your local dealer or distributor to determine the details  
of your local warranty.  
20  
 
CARY AUDIO DESIGN  
1020 Goodworth Drive, Apex, NC 27539  
phone 919-355-0010  
fax 919-355-0013  
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