DIY AMP Board L20 Mono Audio Amplifier Board 200W-8R 350W-4R DSPPA Pure Post Amplifier Board 1PCS
Description:
Circuit board using 1.6MM thick PCB,
Each mono channel four pairs of high-power tube.
Support 200W 8 European output power.
So far, the best control level after the amplifier.
Pure L-20 after the amplifier.
L-20 has excellent control, low distortion, wide range of voltage support. High-power high-current output load.
Bassoon four pairs per channel output, the maximum load current of 40A.
Wide range of voltage support, free to install two pairs per channel, four high-power tube.
Performance parameters:
Power 200W (8R) 350W (4R)
Voltage: DC + - 65V
Rectified before the AC voltage range AC 12V to AC dual dual-45V; recommended operating voltage AC dual 36V;
THD = 0.009% 1K HZ 50W 8R
SR = 35V / US
Noise 92DBU
EIN = 114 DB
Frequency Response 20-20KHZ + - 0.5 DB
34 times the voltage gain
All resistors are 1% precision brass foot precision resistors include precision output power resistors are used.
PCB size: 116MM * 72 MM
All capacitors are imported original. KEC original imported audio power tube.
Promote the use of tubes and power tubes KEC B817 D1047 and Toshiba A1930 C5171 audio-specific import original transistors.
Packing list:
1 * L20 Pure Post-Amplifier Board
TE94
