Can a guitar pedal be built like a MXR micro-amp but with a tube? - Quora
Maxon RTD800 Real Tube Overdrive/Distortion Pedal Review - Premier Guitar
Blackbird Vacuum Tube Preamp for guitar - Effectrode
Tube Drive Overdrive Guitar Effects Pedal - Effectrode
RT-901 Real Tube - Tube Works RT-901 Real Tube - Audiofanzine
Ibanez TS9 Tube Screamer - ranked #10 in Overdrive Pedals | Equipboard
901 Real Tube Overdrive - Tube Works 901 Real Tube Overdrive - Audiofanzine
Amazon.com: Overdrive Guitar Pedal Blue Fall Analog Electric Guitar Overdrive Effect Pedal Vintage Mini Overdrive Pedals for Electric Guitar Single Type DC 9V True Bypass, by Vangoa : Musical Instruments
Butler Audio
Real Tube Tube Works - YouTube
Guitar Pedal X - GPX Blog - 6 of the Best Butler Tube Driver Style Pedals
Tube Works 901 Real Tube 1987 - 1997 | Reverb
Master List of 40 Guitar Pedals with Tubes - Guitar Chalk
Overdrive - 12AX7 Tube Pedal – Hagerman Amplification
TC Electronic | Product | TUBE PILOT OVERDRIVE
Fender MTG Tube Distortion Pedal | Sweetwater
BK Butler Tube Works Tube Driver Real Tube Overdrive B.K. Guitar Effect Pedal | eBay
Tube Works 901 Real Tube 1987 - 1997 | Reverb
List of (real) tube overdrive pedals | The Gear Page
Bepa Bass Tube Overdrive Pedal | Bass Gear Magazine
Myco Pedals ONE Classic British real tube Overdrive pedal demo with Stratocaster - YouTube
B.K. Butler Tube Driver
Tube Works 910 Tube Driver (3-Knob) | Reverb
Tube Works BK Butler Real Tube - ranked #267 in Overdrive Pedals | Equipboard
Tube Driver / Real Tube Overdrive Tube Works - Audiofanzine
HUNOR - Handmade from Hungary
Amazon.com: Houkiper Distortion Pedal - Guitar Pedals TS9 & TS808 Overdrive Guitar Effect Pedal Drive Vintage Overdrive Effect Tuner Pedal Overdrive Pedal, 2 In1 True Bypass Guitar & Bass Accessories : Musical Instruments
