This is Modular Audio Preamplifier,high quality, discrete components design with Input and Tone Control Modules.The circuit consists of two module:Main module and tone control module.Features:
Main Module Input sensitivity:
250mV RMS for 1V RMS output
Tone Control Module Input sensitivity:
1V RMS for 1V RMS output
Maximum output voltage:
13.4V RMS into 100K load, 11.3V RMS into 22K load, 8.8V RMS into 10K load
Frequency response:
flat from 20Hz to 20KHz
Total harmonic distortion @ 1KHz:
1V RMS 0.002% 5V RMS 0.003% 7V RMS 0.003%
Total harmonic distortion @10KHz:
1V RMS 0.003% 5V RMS 0.008% 7V RMS 0.01%
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