100W MRF-400H MosFet Unique Powerful Audio Amplifier

$30.00 $40.00


2 in stock (can be backordered)

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MRF-400H High Quality MosFet Amplifier
Build your own Unique 100W HEXFET Powerful Very High Quality Audio Amplifier assembled PCB & tested.
 High quality and reliability FR4 1.6MM PCB 
SMD Components
Output Stage with 4 HEXFET  2X IRF540 + 2X IRF9540
Low Noise Input Differential Transistors
This item is PCB with all components assembled ready to use. only need add to Heatsink and Power Supply
For Stereo Version you need Order 2 PCB !!!
Amplifier components: 36 Resistors,10 Capacitors,15 Transistors, 5 Diodes
Easy and simple to connect. 
The recommended transformer for this amplifier is:
4 Ohm Stereo version: 2X22VAC 5A
8 Ohm Stereo version: 2X30VAC 3.5A
Working Voltage: +/- 30V VDC TO MAX. +/- 45 VDC
Power Out: 100W @ 4Ohm [+/-30 VDC] OR 100W @ 8Ohm [+/-42 VDC]
Input sensitivity: 1.1V (To max. power drive)
PCB Size: 75mm*65mm double-sided HAL,FR4 1.6MM


RMS continuous power:

150 Watts driven into a 4Ω load (tested with 2X40V DC Power Supply)

85 Watts driven into a 8Ω load (tested with 2X40V DC Power Supply)

0.03% Total Harmonic Distortion (THD+N)

Load: 4-8Ω (*** Can work with 2Ω load when use 2X30V DC Power supply)

Signal-to-Noise Ratio: >100dB A-weighted

Frequency Response: 20Hz to 20kHz ±0.5dB

Bandwidth: 20Hz to 100kHz ±3dB

Damping Factor: >200 @ 4Ω

Slew Rate: 30 Volts/ ms

IM Distortion: <0.05% (IHF)

Input Impedance: 20k ohms

*** Large Heatsink Need

ApplicationsDIY HI-FI Home/Car Power Amplifier, HI-FI Home/Car Subwoofer Amplifier

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