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The zener is only used as protection for the MOSFET. Jack Orman even tells you this in his article [2]:Copyrighted in 2001, the AMZ MOSFET Booster beats the pants off almost any booster on the market with minimal parts. Unlike most pedals of its time, it uses a Zener diode, which isn’t found in almost any other pedal even to this day. Whether or not that diode contains all the proverbial magic isn’t exactly the point, but rather that innovation led to the MOSFET booster, and the result is a low-parts-count monster of a boost.
This is the sort of crap that gets passed on and spread around by people who read things like Tone Report and lap up everything they say.A zener diode is connected from the transistor's gate to source in order to protect it from static charges or over-voltage inputs. If the transistor chosen has an internal zener protection, D1 could be deleted.
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R.
Eqd Speaker Cranker clone
Monte Allums TR-2 Plus mod kit
Trading feedback: http://www.thefretboard.co.uk/discussion/60602/
You will be telling me that they use resisters in their pedals next - now that would give your setup some mojo!
That'd be bad enough but (especially in the case of the pro guitar shop ones) they normally claim there's a lot of BS posted about this type of stuff and they're trying to bust the myths.
I said maybe.....