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Cary Audio Design CAD 120S MKII Stereo Amplifier User Manual

1. m 11 Warranty Repalts 11 United States Limited Warranty 12 IMPORTANT SAFETY INSTRUCTIONS CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN WARNING The triangle with the lightning flash symbol displayed on the unit advises the user of dangerous uninsulated 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 MOISTUR
2. ARY Audio Design 0 0 O O O O O O O O O O O O O O O O O O O O O O O O O 0 0 0 0 CAD 120S MKII Stereo Power Amplifier 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 O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O 0 TABLE OF CONTENTS Important Safety Instructions 2 Welcome Thank NOU MT TTE 4 Unpackine and Installation o tete eid 5 Specifications SDECITIC R 6 Controls amp Displays Front Pate suas Sae TiO Pale I 8 Operation Speaker Binding POOSIS toe c rr 9 Triode or Ultra Linear Mode Switch 9 Power ON ORE SMC A en ete 9 Bias Measurement and Adjustment eee 9 PP Ei E PNR RE 10 Tube Replacement 10 Service and Care Care and peeing a dut ueste 11 PICO DEIN
3. Power Transformer EI High voltage amp bias supply EI laminate Filament Transformer 2 EI laminate 6 3 VAC 12 amp CCS Output Transformer s Special bifilar wound 150 watt rating unit in each channel Warm Up Time 3 minutes Break In Time 100 hours of playing time Finish Jaguar Anthracite black with clear coat finish silver anodized aluminum faceplate standard black optional Dimensions 8 Hx 17 Wx 14 D CONTROLS AND DISPLAYS FRONT PANEL CAD 120 Stereo Amplifier 1 POWER e Press once to turn the power ON e Press again to turn the power OFF 2 LEFT CHANNEL BIAS e Indicates a proper DC current of between 130 to 150 ma 3 RIGHT CHANNEL BIAS e Indicates a proper DC current of between 130 to 150 ma 4 MODE e Press this button to change between Triode and Ultralinear modes TOP PANEL The following illustration shows the tube placements on the CAD 1208 6SN7 OUTPUT OUTPUT OUTPUT OUTPUT VOO VOO 6SN7 OUTPUT OUTPUT OUTPUT OUTPUT CAD 120S 120 Watt Vacuum Tube Stereo Amplifier CONTROLS AND DISPLAYS REAR PANEL 10 11 12 13 RIGHT CHANNEL RIGHT CHANNEL OUTPUT INPUT CAD 120 Stereo Amplifier LEFT CHANNEL LEFT CHANNEL BIAS ADJUST AC POWER BIAS ADJUST INPUT OUTPUT TUBE FUSE TUBE FUSE RIGHT CHANNEL OUTPUT NEGATIVE LEAD RIGHT CHANNEL OUTPUT POSITIVE LEAD RIGHT CHANNEL INPUT XLR INPUT RIGHT CHANNEL INPUT RCA INPUT TU
4. RCA and XLR inputs A soft start turn on circuit is built in for long life and easy turn on in large systems The power supply features 1 120uF of capacitance per channel for ample reserves in demanding usages The output transformers and the power transformer have a single cover painted to match the chassis The backlit front panel meters indicate the bias setting for each channel and visually indicate proper operation for the CAD 1208 MKII amplifier Congratulations on your fine choice the Cary Audio Design CAD 1208 MKII We are confident the CAD 1205 will bring you many years of musical satisfaction and we sincerely welcome you to the Cary family CARY Audio Design 1020 Goodworth Drive Apex NC 27539 Phone 919 355 0010 Fax 919 355 0013 WWW caryaudio com 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 15 packing carton and examine 1t closely for signs of shipping damage If shipping damage 1s 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 Included in the Box es When unpacking your CAD 1205 make sure the follo
5. BE FUSE AMP FAST BLOW RIGHT CHANNEL BIAS ADJUST POTENTIOMETER RIGHT CHANNEL 130 150 ma AC POWER MAIN FUSE 4 AMP SLOW BLOW TUBE FUSE AMP FAST BLOW LEFT CHANNEL BIAS ADJUSTMENT POTENTIOMETER LEFT CHANNEL 130 150 ma LEFT CHANNEL INPUT RCA INPUT LEFT CHANNEL INPUT XLR INPUT LEFT CHANNEL OUTPUT POSITIVE LEAD LEFT CHANNEL OUTPUT NEGATIVE LEAD OPERA TION Your new CAD 120 power amplifier 1s ready for operation after the speaker interconnect cables and the vacuum tubes have been installed into their proper sockets Refer to the labeling on the chassis for placement and proper tube installation SPEAKER BINDING POSTS The CAD 1205 will drive loudspeaker loads from as low as 2 ohms to a high of 16 ohms without any adjustment Please remember to keep the proper phase on each channel when connecting the loudspeaker cables Red 1 positive and black 1s the negative lead TRIODE OR ULTRA LINEAR MODE SWITCH The push button located on the lower right side of the front panel will toggle from triode to ultra linear modes There 15 a blue LED indicator lamp located above the switch When this blue LED is illuminated the CAD 120S is in the triode mode Push the button again and the red LED will appear The CAD 1205 1 now in the ultra linear mode This mode selector system has a memory feature The amplifier can be powered down turned off and the amplifier operating mode will remain in the la
6. E 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 p
7. THANK YOU Thank you for purchasing the CAD 120S Stereo Vacuum Tube Amplifier The stereo vacuum tube power amplifier has a great history at Cary Audio Design The previous generation CAD 1205 Rocket 88R 12R power amplifiers garnered fantastic reviews for stable power output incredible value for the money and sound quality along with Best Buy and Class A ratings from magazines and reviewers worldwide Building on this storied legacy we are releasing the next generation CAD 120 stereo vacuum tube power amplifier This innovative stereo power amplifier is rated at 60 watts per channel in triode mode and 120 watts per channel in ultra linear mode into an 8 ohm speaker load Full rated output power 1 from 17 Hz to 23 kHz with less than 1 total harmonic distortion The output stage may be switched on the fly from triode mode to ultra linear mode by using a front panel selector button There are LED lights above the mode selection button to show which mode the power amplifier 1s working in for visual confirmation Another nice feature 1s that the amplifier has an operating mode memory The CAD 1208 will remember either the triode or ultra linear mode selection when the amplifier 1s turned to the off position The vacuum tubes in each channel consist of one 1 6SN7 for the input gain one 1 6SN7 for the driver stage and four 4 KT 88 output power tubes The circuit 15 a balanced design with separate
8. abor necessary to correct any defects in material or workmanship To obtain such warranty service the original purchaser must complete and send in the Warranty Registration Card within 15 days of purchase WARRANTY DISCLAIMER Except for the express warranties stated herein Cary Audio Design disclaims all other warranties including without limitation all implied warranties of merchantability and fitness for a particular purpose The foregoing constitutes Cary Audio Design s entire obligation with respect to this product and the original purchaser and any user or owner shall have no other claim for incidental or consequential damages Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation and exclusion may not apply to you This warranty gives legal rights and you may also have other rights which vary from state to state Proper maintenance repair and use are important to obtain performance from this product Therefore please carefully read the Operating Manual This warranty does not apply to any defect that Cary Audio Design in its sole discretion determines was caused by any of the following e Improper maintenance or repair including the installation of parts or accessories not conforming to the quality and the specifications of the original parts e Misuse abuse neglect or improper installation e Accidental or incidental damage EXCLUSIVE REMEDY Notwithstanding the fo
9. cribe the problem detail Note the unit model number and serial number 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 Design 1020 Goodworth Drive Apex North Carolina 27539 b Hand deliver the product to Cary Audio Design address noted above or the nearest authorized service facility CARY Audio Design Cary Audio Design 1020 Goodworth Drive Apex NC 27539 Phone 919 355 0010 Fax 919 355 0013 www caryaudio com 13 CARY AUDIO DESIGN 1020 Goodworth Drive Apex NC 27539 phone 919 355 0010 fax 919 355 0013 www caryaudio com 0 0 0 0 0 0 0 0 0 0 0 0 0 00 0 0 0 0 O O Q O O 00 00000 O 00 0 00 00 0 O 0 0 0 0 0 00 00 0 00 0 0 O 00 0 00 00 00 00 0 0 00 0 0 0 0 00 0 09 O 0 00 00 0 0 0 0 0 0 0 0 0 0
10. d 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 e 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 e 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 N for advice on AC power cords and high quality wire in your system e 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 e 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
11. dio Design will assume no responsibility 1f the shipping company refuses to pay for damage due to improper packing or lack of insurance Please use the original carton for shipping the music server 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 11 UNITED STATES LIMITED WARRANTY Cary Audio Design warrants to the original United States purchaser for use the United States that Cary Audio Design vacuum tube or solid state power amplifiers surround sound processors preamplifiers or music servers shall be free from defects parts workmanship for three years from the date of the original purchase Vacuum tubes 1f any are used the component are offered a 90 day from purchase date exchange policy against defects with the exception of the CAVT 300B vacuum tube that has one year from purchase date exchange policy Any digital drive design whether a Cary Audio Design CD or SACD player Cary Cinema DVD player or Cary Music Server has limited one year parts and labor warranty against defects in manufacturing This 15 a limited warranty offered only to the original purchaser and does not transfer During the limited warranty period Cary Audio Design or an authorized Cary Audio Design service facility will provide free of charge both parts and l
12. lug 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 IMPORTANT SAFETY INSTRUCTIONS 15 REPLACEMENT PARTS When replacement parts are reguired be sure the service technician has used replacement parts specifie
13. r bass This break in period 15 true with quality vacuum tube audio amplifiers TUBE REPLACEMENT If it becomes necessary to replace the tubes in the amplifier a matched set of output tubes of the same name brand should be used new tube kit 15 available from Cary Audio You should get years of service from the rugged KT 88 output tubes The input and driver 6SN7 tubes can last even longer Other output tubes may be used in the CAD 1208 power amplifier 6L6 6CA7 66 6550C KT 90 KT 99 or EL 34 tubes are all acceptable for use in the output stage of the CAD 1205 Use the same current setting for any of these tubes as described in the bias set up 10 SERVICE AND CARE CARE AND CLEANING Unplug the unit from the wall outlet Clean the cabinet housing and front panel of the CAD 1205 with a soft cloth and a glass cleaner The frequency of cleaning will vary based on the cleanliness of the environment and the number of hours the CAD 1205 MKII is operated FACTORY SERVICE Careful consideration has been given to the design of the CAD 1205 to minimize maintenance issues Any problems or requests for service should be referred to the Customer Service Department at 919 355 0010 Do not return the CAD 1205 to the factory without a return authorization number RA Refer to the next section for details about returning equipment to Cary Audio Design Should the unit be lost or damaged in shipment Cary Au
14. regoing the purchaser s exclusive remedy for any breach of warranty express or implied 1s limited to the repair or replacement of the defective unit or the refund of the purchase price at the option of Cary Audio Design Under no circumstances 1s Cary Audio Design liable for incidental or consequential damages Any implied warranties imposed by law terminate one year from the date of purchase 12 UNITED STATES LIMITED WARRANTY INTERNATIONAL PURCHASERS EXPORT MARKETS Cary Audio Design warrants 1ts merchandise to purchasers within the United States exclusively for use within the United States of America It provides no other warranties expressed or implied If you are living outside the USA please consult your local dealer or distributor to determine the details of your local warranty SHIPPING INSTRUCTIONS In the event that the owner needs to return the unit to Cary Audio Design for service or repair of a possible defect he must follow these steps l 2 ee Contact Cary Audio Design at 919 355 0010 to obtain a Return Authorization RA number prior to shipping include this number with the package Submit a copy of the original sales receipt a blank receipt will not validate the limited warranty for service by Cary Audio Design The original sales receipt must contain the following information e the authorized Cary Audio Design dealer s name e the date of purchase e the sales price e the buyer s name and address Des
15. should be 140 ma plus or minus 10 ma To make the bias adjustment insert a flat bladed screwdriver into the rear mounted bias adjustment potentiometer and turn clockwise to raise the bias or counter clockwise to lower the bias reading There 15 some interaction between channels Adjust the right and left channel bias a few times until you have an egual reading plus or minus a few ma on each channel The bias reading level 15 not critical in respect to a range of a low reading of 125 ma to a high reading of 170 ma The preferred reading should be approximately 140 ma plus or minus 10 ma The DC bias current value will fluctuate with varying in house AC wall voltage As air conditioning systems cycle and power loads in the neighborhood change the bias reading will fluctuate a bit This 1s normal and therefore not critical Another word about the meter readings The louder you play the CAD 1208 the more current it will draw Playing loud especially in the ultra linear mode will peg the meters at 200 ma This 15 normal and there 1 a protection circuit built into the metering circuit to prevent damage to the analog meters Pegging the meters 15 fun BREAK IN PERIOD The tubes capacitors and output transformers take approximately 100 hours use to settle in for peak performance The CAD 1208 MKII will sound good right out of the box but it will improve within a short time After the first 50 100 hours you will notice increased depth and tighte
16. st position The absolute default mode is triode if the amplifier is unplugged from the AC wall outlet POWER ON OFF SWITCH The front panel push button located to the lower left is a power on power off selector With the CAD 1208 MKII plugged into the wall AC outlet this button will engage the soft start system and bring the amplifier to the full operate mode You will notice that the two DC current meters on the front panel will light up blue The vacuum tubes will light as well To power down turn off simply push the power button once again and the soft start system will remove the main AC power from the power supply in the CAD 120 BIAS MEASUREMENT AND ADJUSTMENT Setting the operating bias levels on the CAD 1205 is a rather simple matter thanks to the built in front panel DC current meters These two meters indicate the DC current being drawn by each channel The meter to the left reflects the operating current for the left channel The corresponding meter to the right indicates the operating bias level of the right channel From the factory the bias has been set to approximately 140 ma DC current on each channel This read out will vary with different AC wall voltages OPERA TION On the rear panel of the CAD 120S is a bias adjustment potentiometer for each channel This 1 a screwdriver slotted shaft control After the amplifier has been powered up for a few minutes observe the meter readings The proper reading
17. the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment into an outlet on a circuit different from where the receiver is connected 2 OUTDOOR ANTENNA INSTALLATION SAFE ANTENNA AND CABLE CONNECTION e 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 e 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 WELCOME
18. 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 e CAUTION Any changes or modifications not expressly approved by Cary C A U 0 N Audio Design could void the user s authority to operate the equipment e NOTE This equipment has been tested and found to comply with the cada RS ac limits for a Class B digital device pursuant to Part 15 of the FCC Rules e 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
19. wing 1s included CAD 1208 Vacuum Tubes Power Cable Owner s Manual Warranty Card Spare Fuses Warranty Card If you are the original purchaser of this unit and you purchased it 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 1f necessary SPECIFICATIONS Operating the CAD 1205 is a simple procedure since each unit is designed for long term stability 1n virtually any home operating situation However if the unit 1s operated outside the parameters outlined in this owner s manual damage may occur Please read this manual carefully before operating your new CAD 1205 MKII Circuit Type Class AB push pull amplifier Ultra linear or Triode mode operation with a front panel selector switch Power Output Ultra linear 120 watts per channel Triode 60 watts per channel Inputs XLR balanced or RCA single ended d E TNT PEDE E o sh Ro a u E EU E E pu Am UE UU NEM RENE d MR as P T E Pr DEA a ses a Rr j i ns 2 6SN7 driver tubes 8 KT 88 output tubes

Cary Audio Design CAD 120S MKII Stereo Amplifier User Manual

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