The Fettle Boost
The Fettle Boost
The Fettle Boost
The Fettle Boost
The Fettle Boost

The Fettle Boost

S-0227242

Regular price $159.00 Save $-159.00
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The Wee Fettle Boost was the first circuit worked on totally from scratch. It’s pre-Champion Leccy, when their whole operation was just an all-consuming hobby. Hand wired from Philadelphia, The Fettle Boost is a simple two transistor circuit. The first always on gain stage is a JFET, the second is similar to an LPB-1 style BJT (Bipolar Junction Transistor) gain stage. On the original Fettle Boost you turn that on and off with a toggle switch named Clart. There’s a gain knob marked Fettle, it makes crackly sounds when you turn it because it’s biasing the JFET. That’s perfectly normal. The Love knob is volume. The Hip/Ass switch is a three way high pass filter to neaten up the bottom end or to push it into treble boost territory.

*We are a FULL SERVICE shop, in business over 30 years, have a expert repair and Custom Modification department as well as an on-site Custom Shop for in-house mods and custom instrument builds. Guitar Villa, located in Bethlehem PA, is run by musicians, instrument and amp techs and we are here to help you with any product selection or use questions you may have. We can advise on the best value at any budget. We would be happy to give you an in-hand description of any item we list for sale. Contact us for all your questions or needs before and after the sale!