Line features: UPC2581 to power the STD03NP composite tube; 2-channel amp board, can be connected to the balanced preamp.
Production materials: all new components; STD03N/P high-speed thermocouple tube, static super stable, 160V, 15A, 160W
2mm thick printing plate, 70um thick copper
Power tube can be installed vertically
Adopt American ALPHA solder wire welding
Indicator Parameters
Signal-to-noise ratio: 110dB
Full load distortion:0.002%
Input sensitivity: 750mV
Amplification: 31.3 times
Quiescent current: 200mA initial debugging you can according to your heat sink and voltage and then adjusted larger
Power supply voltage: ±25-±55 Using ±45V, the output of 8 ohms 100W, 4 ohms 150W
Printed board size: 71 * 109mm as shown in the horizontal installation of large tube 71 * 150mm
After-sales service
Each finished board before shipment to test distortion, noise, midpoint, magnification, etc., qualified before shipment!



