The Guitar Sanctuary | Origin Effects | BASSRIG | 64 Black Panel | Bass Preamp
Mesa Boogie V-Twin Tube Preamp Pedal | Reverb
The Guitar Sanctuary | Origin Effects | BASSRIG | Super Vintage | Bass Preamp
ENGL POWERBALL PRE-AMP - synergyamps.com
AMT Electronics Legend amps E1 Guitar preamp (ENGL Emulates)
Grindstein – The ultimate death metal preamp – Klirrton
Electro-Harmonix English Muff'n Tube ENGLISH MUFF'N B&H Photo
Guitar Pedal X - GPX Blog - Ola Englund's Killer New Signature Chug High Gain Preamp Pedal has an impressive 10 controls, including a Noise Gate - across 4 dual-concentric pots