The power amplifier circuit uses IC Power Amp No. TDA2030, an OTL operation. This circuit is able to amplify signal from the OTP IC voice circuit.
● Features
- Power supply : 12VDC.
- Consumption : 800mA. max.
- Output power : 8Wpmpo @ 4 ohms.
- Sound level is adjustable by trimmer potentiometer.
- S/N ratio : 94dB (A weighted).
- Total harmonic distortion : 0.03% (0.1-14W/1kHz).
- Frequency response : 20Hz to 20kHz (-3dB)
- There is a voltage output point for the OTP IC voice circuit (FK13XX).
- PCB dimensions : 2.19 x 1.58 in.