The Three Knob by Big Crunch - guitar amp demo

Here's Brooks walking through different settings on the Three Knob.
The Three Knob is a hand-built, custom-designed 30 watt tube guitar amplifier.
Features - volume, tone, and gain controls, EL34, 12AX7 and 12AT7 tubes, Mercury Magnetics transformers, carbon comp resistors, point to point wiring, 4/8/16 output impedance
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Big Crunch is a guitar and amp repair shop in Baltimore, Maryland, owned by Brooks Harlan. We specialize in tube amp repair, instrument set-ups, boutique amp design, pedal repair & design, mods, and more.
BigCrunchAmpRepair.com
443.977.5658
BigCrunchMail (at) aol.com
Facebook.com/BigCrunchAmpRepair