2pcs QUAD405 125W + 125W HIFI power amplifier board dual 2.0 channel
If you shoot loose parts, you need to assemble it yourself

Product description:
The signal amplifier transistor adopts original imported BC556, 5551, 5401 audio dedicated signal tube

TL071 Brand new original NS. All resistors use genuine metal film resistor copper feet, 1% accuracy, including high-power resistors.

The power tube adopts the brand-new KEC brand power tube imported from Korea.

KTD1047 100W power tube

KTA 1659A 20W audio driver tube.

The inductance is manually measured by a precision digital bridge, with an accuracy of 0.01UH 0.1%.

Supply voltage: >= + -30V, <= + -50V

PCB size: 95MM length *75MM width

Power 50-100W 8 R

100W (+-50V) power supply

Package:
2pcs QUAD405 mono audio power amplifier board assembled
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