Fryer/May Deluxe Treble Booster | General Guitar Gadgets
Amazon.com: Effects Pedal Kit - MOD Kits, The Penetrator, Treble Boost : Musical Instruments
Here are a couple more - the simple passive tone control that can be added to any circuit or used as a simple passi… | Guitar pedals, Treble booster, Diy guitar amp
RangeMaster Treble Booster Based DIY Guitar Pedal Effect PCB
Treble Booster Brian May
Better late than never - my Vox V806 Treble Booster clone build - DIY (Do It Yourself) - Harmony Central
Penetrator Treble Boost DIY Pedal Kit – Guitar Pedal Parts
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