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Electronic Tremelo using Germanium Transistors |
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From The Radio Constructor Magazine of 1963 this is a three transistor Tremelo circuit using Germanium transistor.
Quiet simple to construct and all the components are availiable with some searching (or in your spares box).
The photograph at the bottom shows a breadboard one which I recently made to try the circuit out.The black transistor on the left is the OC71 and the two Red Spot transistors are on the left in the Silver cases.
Pete Roberts has some red spots for sale Pete Roberts
The Tremelo worked fine with only a whisper of noise which would disappear if the circuit was built properly.The next excercise is to rebuild and put into a die cast box.
Last updated 19.5.2007
2003-2007 © Maurice Woodhead
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