STK4050 Audio Amplifier with 200W

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The project is based around the hybrid integrated circuit STK4050 manufactured by Sanyo to build a low noise mono audio amplifier with complete high quality.
Explanation The project has a maximum output power of 200W while incorporating a volume control. The power supply used in the circuit is an on-board type and because of this, only a center tapped transformer is needed for the powering of the circuit. The sound has a very good quality and it can be proven when used in home theaters, in computers, and other audio equipments which can also be used as subwoofer amplifier.
For thin-type audio sets, it can be considered as a compact package. The heat generated in thin-type audio sets is being dispersed easily with a good heatsink design. There may be case where a shock noise may be encountered especially during switch ON and switch OFF. This can be reduced by providing a constant current circuit. The design of the circuit can be tailored for reducing occurrence of thermal shutdown, short circuit protection for loads, shock noise muting from external power supply.
The load resistance should have 8 Ohms value with 55K Ohms input impedance.

 Modifikasi STK 4050

5 komentar — Skip to Comment

Anonim mengatakan...

please send me the exact part list of stk 4050

Adang Sukandar mengatakan...

is this possible to use stk 4050ii..?thanks

Natasha Kale mengatakan...

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nicanor coquilla mengatakan...

please send me the exact part list of stk 4050

belajar nGebLOG mengatakan...

I have two units Audio (Power) Mixers, both of them are broken, they use STK series of Power Amplifier IC. one of them (roland- old type) uses 3 (three) STKs 085-105, it's configured in OTL and BTL, and the other one uses two STKs 4070.
i have been looking for the ICs online and offline, but nothing !
please send me advice or drawing circuit that i can use to solve my problem, or is it possible to change them using STK4050 ?

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