Coda Technologies CSX Stereo Amp Manual
Contents
1. Subsequent owners are required to provide proof of sale transfer from the original owner Original owner may transfer warranty for the entire period of the warranty Coda Technologies reserves the right to make the final determination as to validity of warranty claims in cases where ownership or manufacture date is not clear and substaniated in writing I Procedure Ifthe product should require service under warranty take it with proof of purchase date with its carton and packing material to a Coda Technologies Inc dealer The dealer will arrange for service Direct shipments to the factory will be not be accepted without advance written authorization RMA Coda products purchased outside of the U S will be covered by those warranty conditions extended by the importing distributor which may differ in some respects from those given above Warranty service if required is the responsibility of the importing distributor If a Coda Technologies Inc product is removed from the country of original purchase Coda Technologies Inc distributors or dealers are not obligated by the conditions of this warranty and repairs will be affected at their discretion Ill Exclusion of Coverage At the sole opinion of Coda Technologies Inc the following situations are specifically excluded from coverage Any product not operated in accordance with the instructions contained in this manual or otherwise subjected to abuse tampering modification accide2. The front end is designed to provide a slew rate of 50 V us without entering Class B operation as is common in many other designs The amplifier s excellent high frequency design insures superlative linear operation This latest generation Coda output stage design is capable of producing peak currents in excess of 125 peak Amperes with a degree of linearity and speed which is not matched by other designs when producing only a fraction of this massive amount of current The bias section is designed to produce a precision transition with no abrupt changes in distortion or output impedance This Precision Bias technique yields seemless performance regardless of the complexity of the load impedance With such linearity and bandwidth only 6db of feedback is used to maintain damping factor while permitting the minimal value custom emitter resistors to provide current limiting only under such extreme conditions that would exceed the output stages high curent capabilies One advantage of this is a high degree of immunity from interactions with complex speaker loads or cables The sonic and aesthetic value of the CSX verses the CS amplifier is unquestionable As a complement to the CX CLX or 05X the X components provide a rarre sonic synergy and represent sorne of our best efforts to date and provide a clear example of what we mean by our simple mission statement to provide Fidelity Performance Value DETAILED INSTALLATION 4 I Source Output Powe
3. power switch may be turned on and the led on the front panel will light indicating a ready state ll Front Panel Control Functions and Indicators The STANDBY button turns on the amplifier s output BIAS current on and off 2 The LED in the center of the front panel indicate the BIAS is turned on and that the amplifier is active 3 The 2 LEDs either side of the center LED of the front panel indicate the amplifer s DC power supplies are working correctly CARE and HANDLING 5 The interior of the unit requires no special care If it becomes necessary to clean the exterior a simple dusting may be all that is required If a cleaner is necessary any dilute commercial ammonia based product will be appropriate NEVER use any abrasive rags cleaners or chemical solvents on Coda products When handling the unit take care not to mar the aluminum Aluminum is a medium hardness metal and can be scratched by the harder tool steels Avoid exposing the unit to direct sunlight and keep it away from sources of intense heat Do notthrow away the carton or associated packing material They are idealif youneed to pack the unit for moving and in the unlikely event that servicing is needed they will be necessary for safe shipment Be sure to provide adequate insurance when shipping SPECIFICATIONS RATED POWER 330 Watts x 2 20 Hz to 20 kHz into 8 Ohms 660Watts x 2 20 Hz to 20 kHz into 4 Ohms 1 Ohm load stable BANDWIDTH DC or 3dB at
4. 5 Hz through 100kHz depending on input DISTORTION Less than 03 from 10Hz to 20kHz at 350 Watts both channels driven into 4 through 8 Ohms GAIN 26dB CURRENT CAPABILITY 150 Amperes peak SLEW RATE 50 Volts microsecound INPUT IMPEDANCE 50k Ohms unbalanced 1k Ohms balanced OUTPUT IMPEDANCE 04 Ohms from 20Hz to 20kHz NOISE More than 110dB referenced to rated output POWER SUPPLY 3 0 kVA toridal transformer with independant rec tifiers and 80 000 uF of capacitance DIMENSIONS Faceplate 17 inches wide by 5 5 inches tall Chassis 16 75 inches wide by 6 inches tall by 14 inches deep WEIGHT 62 Ibs WARRANTY I Warranty Any failure of Coda products to operate or to meet specifications applicable at time of manufacture due to a manufacturing defect or component failure will be corrected by Coda Technologies Inc without charge for parts or labor for a period of ten years from date of original purchase Coda Technologies Inc will provide for surface transportation to the Coda factory from an authorized Coda Technologies Inc authorized dealer for a period of one year from date of purchase Maximum term for any warranty claim shall be ten years from date of original sale or 11 years from date of manuafacture whichever is shorter Date of manufacture shall only be defined only manufacture date imbedded in serial number of product Warranty shall be transferrable for a period of five years from the date of purchase
5. Stereo Amplifier CSX OPERATION MANUAL TECHNOLOGIES INC CHANNEL STATUS BIAS ON HIGH CURRENT STEREO AMPLIFIER SAFETY PRECAUTIONS INTRODUCTION 2 DESCRIPTION 3 DETAILED INSTALLATION 4 CARE AND HANDLING 5 SPECIFICATIONS 6 WARRANTY 7 WARRANTY REGISTRATION 8 SAFETY PRECAUTIONS CAUTION A w RNING CAUTION TO PREVENT ELECTRIC SHOCK DO NOT REMOVE COVER NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL THIS SYMBOL IS TO ALERT YOU OF THE PRESENCE OF UNINSULATED DANGER OUS VOLTAGE WITHIN THE UNIT S ENCLOSURE THAT MAY BE OF SUFFI CIENT MAGNITUDE TO CONSTITUTE A RISK OF ELECTRIC SHOCK THIS SYMBOL IS INTENDED TO ALERT YOU OF THE PRESENCE OF IMPORTANT OPERATING AND MAINTENANCE INSTRUCTIONS IN THE LITERATURE ACCOMPANYING THE UNIT WARNING TO PREVENT FIRE OR SHOCK HAZARD DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE TO AVOID ELECTRICAL SHOCK DO NOT OPEN THE UNIT REFER SERVICING TO QUALIFIED PERSONNEL CAUTION Never install or remove the power cord from the chassis unless it has been disconnected from the AC power source first Never pull on the power cord when removing it from an AC power source Grasp it by the plug Do not leave the power cord connected to an AC power source unless it is connected to the unit It is recommend that during extended periods of nonuse that the units power cord be unpluged from its AC power source Route the AC
6. ntal damage or serial number defacement 2 Damage to other property caused by any defects in this product damages based uponinconvenience loss of use of the product loss of time commercial loss or any other damage whether incidental consequential or otherwise 3 Itis Coda Technologies Inc policy to extend coverage when reasonable doubt exist however freight and diagnostic charges will be billed for any units retumed under warranty and found by the company to be operating according to specification This warranty gives you specific legal rights and you may also have other rights which vary from state to state CodaTechnologies Inc continually researches new techniques designs and construction methods and so reserves the right to introduce refinements into current product lines without notice or obligation The company may offer product modifications to make these refinements available to earlier production units WARRANTY REGISTRATION Fill in and retain this copy of the warranty registration sheet for your records To validate your registration please call mail email or FAX a copy of this registration to Coda at 916 386 8296 within 30 days of date of purchase Please include proof of purchase with your submission MODEL DESIGNATION SERIAL NUMBER DATE OF PURCHASE PLACE OF PURCHASE Dealer Address City State Zip Phone PURCHASER Name Address City Sta
7. power cord so that it will not be damaged or walked on INTRODUCTION This amplifier is a precision device designed in an effort to provide the listener with unmatched sound quality design and construction In order to operate your amplifier properly and to realize all of the capabilites of the AMPLIFIER CSX we recommend that you read this entire manual carefully DESCRIPTION 3 In early 2004 development began on the long awaited successor to the Stage 3 Amplifier Our design goals were nothing less than improvements in sonics and industrial design sufficient to raise this product series up into the more prestigous and well known Coda product line At about the same time another well known audio manufacturer commissioned Coda to develop a cost no object reference monoblock amplifier and reference preamplifier During this extensive 2 year development process many new components and design enhancements were measured and subjectively evaluated on an exhaustive scale It was during this process of experimentation that it became clear that judicious use of extreme high quality component parts and techniques could extract even greater perormance out of our current designs The resultant design evolution brought a quantum improvement in timbre and resolution to the entire component line This was the genesis of the new Coda X series the Monoblock Amplifier CX Preampllifier CLX and Stereo Amplifier CSX The Coda Amplifier CSX featu
8. r Connections and Controls The connectors and controls are clearly marked onthe back panel of the AMPLIFIER CX Note the correct left or right channel orientation The function and channel markings on the rear panel correspond to the front panel controls and their signal paths 1 The UNBALANCED OR BALANCED inputs should be attached to the appropriate unbalanced OR balanced outputs of a preamplifier either directly or through a crossover or processor as appropriate to the application Only one inout may be used 2 The and OUTPUTS should be attached to corresponding speaker terminals NOTE THERE ARE NO OUTPUT FUSES SO AS TO INSURE A LOW OUTPUT IMPEDANCE SPEAKER PROTECTION IS LEFT TO THE SPEAKER MANUFACTER AS THEY WOULD BEST KNOW HOW TO PROTECT THEIR SPEAKER 3 The MAIN POWER switch once all appropriate connectsions are made may be left on as the AMPLIFIER CX draws a negligible amount of current when the BIAS is turned off 4 The FUSE AND VOLTAGE SELECTOR houses a 5X20slow blow fuse and voltage selector cartridge Should the fuse blow contact a Coda dealer or call Coda directly When changing the fuse or altering the voltage selection be sure this unit is disconected from its AC power source 5 The AC LINE INPUT should be attached to the power cable provided with the amplifier After making the appropriate connections insert the three prong safety plug into an appropriate AC power source Once the AMPLIFIER CX is properly connected the
9. res a wide range of design topologies and components ported from the both the the broad lineage and the most recent advances in the Coda products and design topologies which include HIGH CURRENT DESIGN IDENTICAL TO THE AMPLIFIER CX NEW VMOSFET VOLTAGE GAIN STAGE TRUE STANDBY MODE TURNS OUTPUT STAGE BIAS CURRENT ON AND OFF FROM THE FRONT PANEL COMPONENT UPGRADES TO HARDWARE AND COMPONENT PARTS INCLUDING Mills Custom Copper Nickel Alloy Wirewound Emitter Resistors IXYS High Speed Rectifiers Black Gate and RelCap capacitors Vishay Resistors WBT Signature Gold Binding Posts WBT or Vampire OFC RCA connectors etc 3 0 KVA ENCLOSED TORIODAL TRANSFORMER GOLD PLATED CIRCUIT BOARDS The CSX is a stereo version of the Monoblock CX which was orignally based on the design and form factor of the Amplifier CS The CSX design is identical to the Amplifier CX except that the 36 output devices are split betweeen the 2 channels of the CSX amplfier The power supplies take a very direct approach to high performance A custom 3 0kVA encased shielded toroidal transformer with independent windings and IXYS high speed rectifiers and a total of 80 000uf supply capacitance with very low ESR and inductance is used Differential JFET inputs and a new Vertical MOSFET voltage gain stage provide exceptional rejection of noise and contributes to the inherent DC stability of the circuit This allows direct coupling at the Balanced Input without servo circuitry
10. te Zip Phone NOTES WARRANTY REGISTRATION Fill in and retain this copy of the warranty registration sheet for your records To validate your registration please call mail email or FAX a copy of this registration to Coda at 916 386 8296 within 30 days of date of purchase Please include proof of purchase with your submission MODEL DESIGNATION SERIAL NUMBER DATE OF PURCHASE PLACE OF PURCHASE Dealer Address City State Zip Phone PURCHASER Name Address City State Zip Phone NOTES 7850 Cucamonga Ave Unit 31 Sacramento CA 95826 USA phone 01 916 383 3653 fax 01 916 386 8296 on the web at CODA CC me d db bo co RE TEGE email us at infoGcoda cc
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