AMT Electronics Tube Guitar Series SS-20 Guitar Preamp - Walmart.com
Are pedals with tubes the same as tube preamps? - The Tone King
Benzin Three Channel Tube Preamp Great Sounding Pedal | eBay
Koch 63' OD Pre-Amp Pedal
Marty Friedman Model Tube PreAmp Beyond Guitar Effects Pedal : Amazon.ca: Musical Instruments, Stage & Studio
Two Notes Le Lead 2-channel Hi-Gain Tube Preamp Pedal | Sweetwater
Friedman IR-X Tube Preamp – Motor City Guitar
Two Notes Le Clean 2-channel U.S. Tones Tube Preamp Pedal – The Guitar Boutique
Pedal de distorção valvulado Guitar tube preamp-TMiranda
AMT Bricks F-Clean
TRIPLE DECKER3-Channel Tube Preamp w/ MIDI – Godlyke Distributing, Inc.
Effectrode Blackbird Vacuum Tube Preamp | Reverb
BEEKEEPER – Tubesteader
2018 Balan Pedals Beekeeper Overdrive V1 Tube-Driven, Pre-Tubesteader – Mike & Mike's Guitar Bar
Beyond Beyond Tube Preamp for Guitar | Reverb
Victory Amplification V4 The Jack Tube Guitar Preamp Pedal | Sweetwater
Guitar Pedal X - GPX Blog - Victory Amps lay down a marker with their new 4- tube-driven PreAmp Pedals
Guitar tube preamp based on JCM800 | eBay
Guitar Pedal X - GPX Blog - Tubesteader's 4th Tube-Powered Gain Pedal is its first Compact - the rather smart Eggnog Tweed-voiced Overdrive / Preamp
AMT SS-20 - 3-channel Tube Guitar Preamp
$50,000 tube preamp in a pedal - Effectrode
LIGHTKEEPER – Tubesteader
