HiFi 2.0 Channel Amplifier Kit Power Amplifier DIY KIT Module Board 100W*2

Features

The lower distortion, better control and resolution

Single differential input, single-ended voltage amplifier stage, three-stage invertedDarlington output.

The output stage uses the original KTB817, KTD1047

PHILIPS KEC transistor, ST, EVOX producing CBB capacitor.KEMET, TDK monolithiccapacitors.

Specification

-Supply Voltage: ±15V to ±45V

-Output Power: 100W 8Ω (+ - 42V)

-Voltage Gain GAIN: 34times

-Input Sensitivity: 1.2V100W RMS 8 Ω

-SNR: More than 98DB

-Distortion: <0.009 THD 1K HZ 10W

-Output Stage quiescent current per channel IQ Approximately 30MA

-PCB Dimension: 76mm * 73mm

Notice:

1. NO SCHEMATIC AND INSTRUCTION (components values have been marked on the PCB).

2. 649 669 must be installed on the matching radiator, After installation does not require any adjustment, the quiescent current of each transistor about 30MA. This version does not need Jump Wire.

Package includes

2PCS/1Set DIY Kit

Circuit

Test Data: Test Equipment: Audio Precision 2

Frequency response=20HZ-25K HZ -0.2DB

THD+N=0.002% 20hz-20KHZ 10W RMS 8 OHM

FFT Harmonic diagram:

Test data , test equipment:DSCOPE SERIES 3

Test chart, test equipment: DSCOPE SERIES 3

test result: frequency 20HZ- 20 K HZ - 0.2 DB

24000 HZ FFT FOR 10W OUTPUT: