Headphone Amp Man. DOD SR460H Signal Processor Owner’s Manual SR460Manual
User Manual: DOD SR460H Signal Processor Owner’s Manual Troubleshoot DOD SR460H Signal Processor |
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Headphone Amp Man. 6/8/99 10:57 AM Page 1 ELECTRONICS V isit DOD on the World World Wide Wide Web Web at: http://www.dod.com http://www.dod.com A Harman International Company Headphone Amp Man. 6/8/99 10:57 AM Page 2 I NTRODUCTION Congratulations, and thank you for your purchase of the DOD SR 460 Stereo Headphone Amplifier. The SR 460 provides you with Left, Right and Stereo inputs, and 6 outputs. In addition, each output has independent level control as well as a master level for all 6 channels. Another unique feature to the SR 460 is its slow audio rampup feature. The audio has an approximate 750 millisecond ramp-up time on power-up to prevent damage to hearing caused by loud audio pops. It also gives you time to turn down the volume if previous settings are too loud. All inputs and outputs are 1/4 inch TRS The SR 460 is another innovative product brought to you by DOD Electronics. F RONT PANEL FUNCTIONS The front panel and controls of the SR 460 headphone amplifier are as follows: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1. STEREO FRONT INPUT/OUTPUT - A high impedance, high sensitivity plug-in connection that acts as an output or a Loop-through input. 2. CLIP LED - This LED indicates internal signal clip from input device. 3. MASTER OUTPUT - This control controls the overall amount of signal fed to each channel. 4. OUTPUT LEVEL CH. 1 - This knob controls the output of signal in channel 1. 5. OUTPUT CHANNEL 1 - This jack is used for the headphone output in channel 1. 6. OUTPUT LEVEL CH. 2 - This knob controls the output of signal in channel 2. 7. OUTPUT CHANNEL 2 - This jack is used for the for the headphone output in channel 2. 8. OUTPUT LEVEL CH. 3 - This knob controls the output level in channel 3. 9. OUTPUT CHANNEL 3 - This jack is used for the headphone output in channel 3 10. OUTPUT LEVEL CH. 4 - This knob controls the output level of channel 4. 11. OUTPUT CHANNEL 4 - This jack is used for the headphone output of channel 4. 12. OUTPUT LEVEL CH. 5 - This knob controls the output in channel 5. 13. OUTPUT CHANNEL 5 - This jack is used for the headphone output of channel 5. 14. OUTPUT LEVEL CH. 6 - This knob is used for the output level control in channel 6. 15. OUTPUT CHANNEL 6 - This jack is used for the headphone output of channel 6. 16. POWER SWITCH - This switch turns the AC power either On or OFF. Note : To optimize the performance of the SR 460, it is recommended to use the AKG™ K270 Headphone. Headphone Amp Man. 6/8/99 10:57 AM Page 3 R EAR PANEL FUNCTIONS The rear panel connections and function of the SR 460 are as follows: 2 1 3 4 1. AC POWER INPUT - AC power cord is inserted. 2. LEFT INPUT - This is the Left side input on the rear of the unit. 3. RIGHT INPUT - This is the Right side input on the rear of the unit. 4. STEREO INPUT - This is the Stereo input of the SR 460. B LOCK AUDIO DIAGRAM The following is a Block audio diagram of the SR 460: X6 Individual Control Adphase Driver Output Stereo In/Out Stereo In/Out Left Balanced Input pre-amp Time Variable Gain Master Level Buffer Right M AINTENANCE AND SERVICE Other than keeping the unit clean and occasionally checking the connectors and cables to the unit for integrity, there is no maintenance necessary for the DOD Amplifier. There are NO user serviceable parts inside the unit. Opening the chassis will void the warranty. All service and repair must be performed by the factory for the warranty to remain in service. Headphone Amp Man. 6/8/99 10:57 AM Page 4 Should a problem arise with the Amplifier, please contact your authorized DOD Electronics dealer for return/repair procedures. S PECIFICATIONS Inputs: 1/4” TRS stereo unbalanced (front and rear) 1/4” TRS mono balanced - Left channel (rear only) 1/4” TRS mono balanced - Right channel (rear only) 40K balanced - 20K unbalanced 6 TRS 1/4” stereo 32ohm - All Outputs - Single output is capable of 8 ohm load. 1 watt stereo per channel 0.75% @ 0.250 w 120V AC 50-60Hz 20 watt max. 20-20kHz Input impedance: Outputs: Minimum headphone impedance: Maximum Power output: THD : Power Requirements: Frequency response: W ARRANTY 1. The warranty registration card must be mailed within ten days after purchase date to validate the warranty of this DOD product. 2. DOD warrants this product, when used solely within the U.S., to be free from defects in material and workmanship under normal use and service. 3. DOD Electronics liability under this warranty is limited to repairing or replacing defective materials that show evidence of defect, provided the product is returned through the original dealer, where all parts and labor will be covered up to a period of three years. The company shall not be responsible for any consequential damage as a result of the products use in any circuit or assembly. 4. Proof of date of purchase is considered to be the burden of the consumer. 5. DOD reserves the right to make changes in design or make improvements upon this product without incurring any obligation to install the same on PRODUCTS PREVIOUSLY MANUFACTURED. 6. The foregoing is in lieu of all other warranties, either expressed or implied, and DOD neither assumes nor authorizes any person to assume any obligation or liability in connection with the sale of this product. In no event shall DOD or its dealers be liable for special or consequential damages or from any delay in the performance of this warranty due to causes beyond their control. DOD E LECTRONICS C ORPORATION 8760 S OUTH S ANDY PARKWAY S ANDY, U TAH 84070 I NTERNATIONAL D ISTRIBUTION 3 O VERLOOK D RIVE U NIT 4 A MHERST, N EW H AMPSHIRE 03031 U.S.A. FAX (603) 672-4246 DOD IS A R EGISTERED T RADEMARK OF DOD E LECTRONICS © 1997 DOD E LECTRONICS C ORPORATION P RINTED I N U.S.A. 4/97 M ANUFACTURED I N T HE U.S.A. DOD 18-2201-B
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