NEW For IRFP240 / IRFP9240 300W mono field effect tube power amplifier board

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Description
Electrical characteristics:
Working status: Class A and B (can be adjusted to Class A according to need)
Output power: 300W * (4Ω) <* V = ± 60v>
Working voltage: recommended voltage drive level ± 55V / output level ± 50V
Input interface: mono signal input
Output interface: mono speaker output
Power supply mode: dual power supply working mode, voltage drive and current power output stage are powered separately, or combined voltage and current stage power supply, free choice.
PCB size: 215 x 93.5 mm
Power amplifier board design features:
Adopt DC servo DC servo circuit to make the DC midpoint output of the power amplifier board less than 5MV
The current output stage adopts IRFP240 / IRFP9240 field effect tube, the output impedance is low, the power margin is large, and it is closer to the ideal amplifier; the power tube can also be customized according to customer needs.
There is a perfect midpoint voltage protection circuit, a horn delay protection circuit, the main chip uses UPC1237 produced in Japan, the integrated circuit is stable and reliable.
The voltage / current level power supply is designed separately to avoid the influence of the power supply fluctuation on the front stage when the current level is highly dynamic, and to minimize the noise.
Double-sided 2mm glass fiber board PCB design, 1% precision metal film resistors, American mica capacitors, German ERO capacitors, French high voltage electrolytic capacitors, all components are guaranteed to be brand new and imported, eliminating second-hand goods.
PCB size: 215 x 93.5 mm
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