audio vu circuit | Electronic Schematic Diagram https://electronicscheme.net Schematic Diagram & PCB Design Thu, 04 Dec 2014 12:12:33 +0000 en-US hourly 1 https://i0.wp.com/electronicscheme.net/wp-content/uploads/2017/05/cropped-transparent_text_effect.png?fit=32%2C32&ssl=1 audio vu circuit | Electronic Schematic Diagram https://electronicscheme.net 32 32 129969089 Stereo VU Booster https://electronicscheme.net/stereo-vu-booster/?utm_source=rss&utm_medium=rss&utm_campaign=stereo-vu-booster https://electronicscheme.net/stereo-vu-booster/#respond Fri, 10 Sep 2010 09:03:48 +0000 http://electronicscheme.net/?p=524 This is a stereo VU booster circuit diagram based on transistor FCS9014 which usually used for pre-amp and regulator circuit and switching. With simple circuit […]

The post Stereo VU Booster first appeared on Electronic Schematic Diagram.]]> This is a stereo VU booster circuit diagram based on transistor FCS9014 which usually used for pre-amp and regulator circuit and switching. With simple circuit design, this device could be built easily. Scheme diagram, bottom PCB layout and component placement provided on the following image:

Stereo VU Booster circuit diagram

This circuit should be connected to audio channel before amplifier module. If you are using tone control or equaliser module, it’s better to connect this circuit to the wire connection before tone control / equaliser.

The transistors boost the audio signal from the input and then forward the signal to the VU meters. Adjust the VR/potensiometer to get the best sensivity of VU meter.

This stereo VU booster circuit works with wide range of supply voltage, 12VDC to 40VDC, you may connect this circuit parallel with amplifier circuit.

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