L-400

L-400

The Integrated Amplifier of the REVOLVER series which supplied the Duo beta technology. 

The Duo beta circuit which combined DC servo which tightens an image from the super-low-pass one besides proper-quantity NFB covering all the bands and an audio frequency band is adopted as a power amplifier part. 

The high gain MC equalizer is built in. 

The turnover-frequency shift expression tone control is carried in the tone control. 
A variation and the frequency which begins to change interlock, it operates, and tone control natural and effective for Hearing impression is possible. 

More details

The Integrated Amplifier of the REVOLVER series which supplied the Duo beta technology. 

The Duo beta circuit which combined DC servo which tightens an image from the super-low-pass one besides proper-quantity NFB covering all the bands and an audio frequency band is adopted as a power amplifier part. 

The high gain MC equalizer is built in. 

The turnover-frequency shift expression tone control is carried in the tone control. 
A variation and the frequency which begins to change interlock, it operates, and tone control natural and effective for Hearing impression is possible. 

  • Common
    • Max Power Consumption (Watt) 125
    • Year Introduction (yyyy or yyyy-mm-dd) 1982
    • Weight (Kg) 7.6
    • Estimated Value (Euro) 125
  • Amplifier
    • Output Power 8 Ohm 63
    • THD 1khz 0.02
    • THD 20-20kHz 0.02
    • Im distortion (%) 0.02
    • Signal noise ration (dB) 105
    • Nbr of inputs 6

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