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Tiny Subwoofer Amplifier Circuit With UA741

Written By buang hary on Senin, 24 Maret 2014 | 21.05

circuitdiagramsfree.blogspot.com  Tiny Subwoofer Amplifier Circuit With UA741

Sub-woofer circuit for you take it to apply with your sound system or devices as the device is small and few electronic part. We provides completed PCB and component layout.

Mini Subwoofer Top PCB
 Mini Subwoofer Top PCB

We use the IC dual operational amplifiers TL072 in this circuit.

This subwoofer project is a subwoofer or a speaker to drive low frequencies, rank of 20 Hz to 150 Hz electronic circuit diagram below shows in details of a circuit and parts of the main amplifier UA741 for 22 watt in 4 ohm of car subwoofer driver and you can turn on VR50K for adjusted frequently of mini subwoofer .

The device is designed for an existing stereo amplifier, often requires adding another blow to the music of driving a subwoofer.
The amplifier uses BTL is a good and cheap ((Bridge Tied Load channels) 8-pin IC UA741 from Philips is now NXP Semiconductors, that may provide a small number of components and 22W at 4 ohm load voltage 12 volt car battery default.
Mini Subwoofer Bottom Side
 Mini Subwoofer Bottom Side

The mini subwoofer consists of several parts: the name of the potentiometer, dual-linear motion potentiometers, 1/4W resistors, capacitors, electrolytic 25V, 63V Polyester capacitors, 24 W BTL car radio RCA audio input amplifier and two speakers 4 ohm or 8 ohm woofers in isobaric parallel wiring.
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