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E405 MJ15024G/MJ15025G 200W+200W 4ohm 2SA1930/2SC5171 Completed Amplifier board high power finished amplifier board

Name: E405 MJ15024G/MJ15025G 200W+200W 4ohm 2SA1930/2SC5171 Completed Amplifier board high power finished amplifier board
Brand: BRZ-hifi-audio
Price: 137.08 USD
Availability: InStock

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5.0 (1 Reviews)

5 Sold

~~$149.00~~ $137.08

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17/05/2026/00:00:00 - 31/05/2026/00:00:00

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Description

modelE405
Output channel2.0 channel
power amplifier tube MJ15024G*6 MJ15025G*6
frequency response range20-20KHz
voltage
AC32V-0-AC32V rectifier bridge 0-AC12V
AC32V-0-AC32V rectifier bridge 0-AC12V
output power
Class A and B 200W * 24 Ω
Class A 60W * 2/4 Ω
Total Harmonic Distortion
THD+N<0.1%
protection mechanism
Mid point voltage protection, startup delay protection
size 110*236mm
weight 0.5KG+0.5KG

first adjust the differential input stage current is 2MA: adjust VR1 (500R) adjustable resistance to make C, D two point voltage is 1.5-2V (R9 (1K) resistance voltage at both ends); at this time the input differential current is 1.5-2MA, this value is the best sound quality

tube static current is 100MA: adjustable resistance VR2 (1K) to make A and B two points voltage 22MV, at this time the static current I=22MV/0.22R resistance is 100MA; if the customer heat sink is large enough, the static current can be increased, and the general 100MA-300MA sound effect is the best.

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5.0 1 Reviews

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