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  Transistor headphones amplifier Musatoff HA-4  
  Measurements  

 
  Tone sweep from 10 Hz to 20 kHz with output level 1 Vrms on to 20 Ohm (50 mW). Screen dynamic range - 100 dB


 
  Tone sweep from 2 Hz to 48 kHz with output level 2,22 Vrms on to 36 Ohm (137 mW). Screen dynamic range - 110 dB


 
  Amplitude sweep from -40 dB on frequencies 50 Hz - left and 1 kHz right channels on to load 20 Ohm up to clipping at the end. Screen dynamic range - 110 dB


 
     
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