Product Details:
Using 3 brand new filters for electrolysis .
The resistors of the left and right channels are precisely paired using a bridge.
3 brand new filter electrolytic VISHAY BC 157 series 150uF400V.
Using 2 brand new output capacitors.
Using LT1085 with high current and low ripple as the filament voltage regulator.
2mm thick PCB, 2 Anshi thick copper foil.
Parameter:
Input voltage: AC 270V（100mA）+ AC 13V (2A)
Output effective value: 23.5Vrms Channel gain: 17.5dB (7.45 times) Signal to noise ratio: 117dB Dynamic range: 117dB THD distortion: 0.0080% THD+N distortion: 0.037% Frequency response bandwidth: ± 0.054dB 20-20kHz (completely flat)
Package include:
PV12 tube Preamplifier board X 1 (Not include tubes)
Every preamp board has been professionally tested in perfect working order before shipping!
