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Summary of Contents for ATI Technologies DA1000
- Page 1 DA1000 DISTRIBUTION AMPLIFIER OPERATING AND MAINTENANCE MANUAL © Copyright 2012, DaySequerra Corp. Day Sequerra │ 154 Cooper Rd. #902 │ W. Berlin, NJ 08091 │ Voice 856-719-9900 │ sales@daysequerra.com │ www.atiaudio.com...
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Page 2: Signal Present Indicator
DESCRIPTION The ICs developed primarily for the instrumentation market had many shortcomings when used in high quality audio applications. The lack of audio related specifications, crossover distortion, high noise for low source impedances, limited output capability and limited gain bandwidth product forced many compromises when used in audio systems. High ratio input transformers, output boost stages and multiple stage designs were all used to compensate for op amp deficiencies and in turn added additional response and distortion problems of their own. -
Page 3: Headphone Output
OUTPUTS Audio from the input buffer is AC coupled to the front panel level adjusts potentiometer. This control adjusts the level of all outputs. If you are afflicted with lurking knob twiddlers, the knob can be removed leaving a somewhat less inviting screwdriver adjustment. -
Page 4: Power Supply
INSTALLATION MOUNTING Your DA1000 may be desk mounted on its non-slip suction cup. Rack mount system 21075-501 mounts two units in one rack. WIRING There are three wire grounded plugs. The third wire ground can cause a ground loop with your station ground. -
Page 5: Maintenance Notes
MODIFICATIONS 230 VAC Operation Your DA1000 is wired for 115 VAC 50/60 Hz operations unless otherwise requested at the time of ordering. It can be modified for 230 VAC use by removing the power transformer primary jumpers J1 and J3 and inserting a jumper in the J2 holes. -
Page 6: Specifications
SPECIFICATIONS OUTPUT CLIPPING LEVEL DISTORTION @ 24dBm output and input levels to +24dBm +24dBm / 600 ohms .2% maximum THD, 20Hz to 20kHz FREQUENCY RESPONSE +/- .25dB, 20 to 20000 Hz. -3dB at 100 kHz OUTPUT NOISE -70dBm maximum 20kHz measurement bandwidth IMPEDANCE FULL GAIN 600-ohm source HUM REJECTION...
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