Class "D" amplifier modulated by a TOA 120 Watt rms audio amplifier
The heatsink holds the four 11N90 FETs. The box on right is Low Pass Filter. Circuit board is Sequencer.
Home-Brew microphone using 8 electrets into a summing op-amp
MIcrophone designed to look like a 1940's Turner broadcasr mic.
© 2008