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I have a homebrew 40 amp supply I would be willing to part with.I was going to get into car audio repair but thought better of it.This thing is a monster. It weighs in at about 50 pounds.If you want to talk about it,contact me off of the board at [email protected].<p>Al

What you want is noise masking.You can try running some 'white noise' through a pair of small speakers. This is a common technique used in industrial environments. Just take a radio and tune it between stations to get the noise. Cancellation systems are very complex and marginally effective.<p>Regar...

If you want to create something more 'vintage',why not a vibrator circuit?I saw some for sale on ebay.

Texas instruments has a number of devices that are class D for audio use. You can get theory and application info at their site for free.Also try Linfinity. As for as operation, in the case of the TI amps,the output comes out as a triangle. It is then run through a 2 pole L-C filter to shape the wav...

epanorama.net will provide you with links to get started.

Sign up for the Maxim news letter and order a free sample. They have scads of different types.

The nice thing about using the LM386 is that the input is interally biased to 1/2Vcc. This spares you having to provide an external resistive divider. Now it is my recollection that this is a 36V part.I believe that the other Vcc ratings are given to show the other critical parameters at that voltag...