Showing posts with label passive. Show all posts
Showing posts with label passive. Show all posts

Wednesday, September 3, 2014

Simple and Nice Passive Subwoofer filter Wiring diagram Schematic

This is a Simple and Nice Passive Sub-woofer filter Circuit Diagram. This schema not required power supply because is a simple low frequency passive filter. It could be useful if you want to drive an extra sub-woofer from your stereo system. 

Simple and Nice Passive Subwoofer filter Circuit Diagram


Simple


The schema filters the frequency ranges above the 150Hz. The schematic is calculated to work with a 50 watts audio amplifier, but can be used with higher powers as well. The frequency can be adjusted with 2k2 potentiometer from 50 Hz to 160 Hz.
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Saturday, August 23, 2014

Passive Surround Audio Circuit

This is a passive surround audio schema for better audio environment for your home audio system. The schematic diagram is very simple, it just need the combination of resistors and electrolytic capacitors.

Passive

Passive Surround Audio Circuit Notes:

  • The rear speakers must be full range type of speaker. Do not use woofer or tweeter speakers for rear speakers, youll bad audio environment.
  • 5W resistors is a must, the 1/4 or 1/2 watt resistor will burned.


Source: Passive audio surround
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