Miscellaneous DIY Audio Projects
Miscellaneous DIY Audio Projects
Here are our Miscellaneous DIY Audio Projects. DIY projects that do not fit into the other categories will be posted here. For the time being only a couple of volume attenuator project are listed. Please check back soon as we will be adding additional projects.
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Miscellaneous DIY Audio Projects
The projects are listed in chronological order. For more DIY audio projects, use the navigation menu to the left.
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DIY Stepped Attenuator Volume Control - 21 June 2012  NEW!
In this DIY attenuator project Matt uses an inexpensive ladder type stepped attenuator to make a passive stereo volume control. The switched attenuator comes fully assembled and uses 1% precision metal film resistors on a make before break 2-pole (stereo) 24-position switch. Checking noise, Matt found that the stepped attenuator has a noise figure which is about 26dB below that of a PEC hot molded carbon potentiometer of the same value. This project is simple to build and should save you some money if you are in the market for a passive hi-fi volume control. |
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DIY Lightspeed Passive Audio Attenuator - 11 May 2009 Low Voltage
Uriah describes the operation of the Lightspeed passive hi-fi audio attenuator and provides DIY instructions to build your own. The Lightspeed passive audio attenuator uses optocouplers (LED and light dependent resistor) for the level control and there are no "contact points" through this attenuator. I've built one of the attenuators for myself and I think it really sounds great! This project is very simple to build, so take a look if you are interested in higher quality volume controls. |