Description
PA-HC2
Build your own High Quality Sound Stereo or Multi Channel Power Amplifier System
50W Bipolar Audio Amplifier assembled & tested
Perfect Solution for Multi Channel Power Amplifier System
Small High quality and reliability RED FR4 1.6MM PCB
For Stereo Version You Need 2 pcs
For 2.1 System You Need 3 pcs
For 5.1 For Home Theater You Need 6 pcs
Output Stage with 4 Transistors Can drive down to 2ohm Speaker
Excellent performance Amplifier
This item is PCB with all components assembled ready to use. only need Heatsink and Power Supply
Easy and simple to connect.
The recommended transformer for this amplifier is:
2-4 Ohm Stereo version: 2X18VAC 5A (250-300VA)
8 Ohm Stereo version: 2X22VAC 3.5A (200VA)
DC Working Voltage: +/- 25V VDC TO MAX. +/- 35 VDC
Power Out: 75W @ 4Ohm [+/-30 VDC] OR 50W @ 8Ohm [+/-30 VDC]
PCB Size: 64mm*64mm double-sided Red HAL,FR4 1.6MM
Specification:
RMS continuous power:
50 W Into 8Ω @ 2X30 VDC, THD 1%
75 W Into 4Ω @ 2X30 VDC, THD 1%
90 W Into 2Ω @ 2X25 VDC, THD 1%
50 Watts driven into a 4Ω load (tested with 2X25V DC Power Supply)
50 Watts driven into a 8Ω load (tested with 2X30V DC Power Supply)
0.012% Total Harmonic Distortion (THD+N)
Load: 4-8Ω (*** Can work with 2Ω load when use 2X25V DC Power supply)
Signal-to-Noise Ratio: >103dB A-weighted
Frequency Response: 20Hz to 20kHz
Bandwidth: 15Hz to 65kHz -1dB
Damping factor(100 Hz @ 4Ω): 200
Input sensitivity: 1.2 VRMS For Max. Power Output
Input impedance: 13KΩ
Load impedance: 2Ω-8Ω
DC Offset: < 40mv
Quiescent Current: 30mv
Applications: DIY HI-FI Home/Car Power Amplifier, HI-FI Home/Car Subwoofer Amplifier
