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Precision Audio Test Oscillators! - with a front panel five digit LED display for the frequency, a precision 79 dBM attenuator with 10 dB and 1 dB steps; variable output level control, internal termination and 600 ohm / 75 ohm, switch selected balanced or single ended output. Unit covers 2 hz. to 1.05 Mhz. in six ranges, analog output meter, 0.1% THD to 100Khz. 12 lb. lightweight and portable, uses LSI, many IC's, Jfets and transistors. A nice piece of test equipment.
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