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ZEROZONE HIFI LS60 Balanced 6DJ8+12AU7 Tube Preamplifier DIY Kit/Finished Board (No Tubes)
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The output stage uses 6DJ8 as the cathode output, the first stage voltage amplification uses 12AU7 common cathode amplification, and uses the FET constant current source as the first stage cathode constant current. The output of the board can be balanced or single-ended, and the input can be balanced or single-ended.
Input voltage: DC 260V + DC 12.6V + DC 6.3V
( 2 channel two DC 260V can share same one 260V. also can use two Independent DC 260V)
PCB recommended electronic tube model: 2 PCS 6DJ8 + 2 PCS 12AU7
PCB Size: 229mm×155mm
Debugging: Adjust VR1,VR2, Make the voltage between PIN 3 and PIN 8 of V1 V3 tube about 6VDC. (We can provide the PDF schematic by email).
NOTE: We have DIY kit or Finished board (Optional)
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