Skip to main content

Posts

Showing posts with the label Speaker

250 W Stereo Audio Amplifier Class-T

GENERAL DESCRIPTION:
The TA0103A is a 250W continuous average (4Ω ), two channel Amplifier Driver Module which uses Tripath’s proprietary Digital Power Processing (DPPT M ) technology. Class-T amplifiers offer bot h the audio fidelity of Class-AB and the power efficiency of Class-D amplifiers. 
Applications: Audio/Video Amplifiers/Receivers Pro-audio Amplifiers Automobile Power Amplifiers Subwoofer Amplifiers Home/PC Speaker SystemsCircuit Amplifier:

Subwoofer Amplifier 40W

Description This amplifier delivers massive power and uses one IC and two power transistors. The circuit consists of an amplifier IC (a TDA 2030A) and a power stage consists of two transistors.  Amplifier can be powered with an asymmetrical supply voltage of 12 to 44 V.

Circuit Diagram:

Part-list: R1-R3, R7 = 100 K?R6 = 8,2 kWR4, R5, R8, R9 = 1.40 Ω 1%R10 = 1 ΩC1 = 470 nFC2 = 10 V μF/63C3 = 4.7 V μF/63C4, C5, C7 = 220 nFC6 = 2200 V μF/50C8 = 1000 V μF/50D1, D2 = 1N4001T1 = BD712 or BD912T2 = BD711 or BD911IC1 = TDA2030ALS = speaker - 4/8 ΩCooling = Fisher SK08/75