Alternatives to the BK Butler 911 Tube Driver

Rodenberg SL-OD

Shared character: smooth, lead, overdrive

Spaceman Saturn VI

Similar role and voicing

Catalinbread Teaser Stallion

Shared character: rich, thickness, smooth

MXR CSP037 Raijin Drive

Shared character: rich, smooth, lead

Donner Dumbal Drive

Shared character: boost, thickness, smooth

SolidGoldFX Commodore Breaker Overdrive

Shared character: smooth, overdrive

Electro-Harmonix Spruce Goose

Shared character: singing, boost, lead

Fulltone Fulldrive 2 MOSFET

Shared character: rich, boost, smooth

Pigtronix Fat Drive

Shared character: overdrive

Xotic BB Preamp V1.5

Shared character: boost, thickness, smooth

Xotic BB Preamp

Shared character: boost, smooth, overdrive

Boss BD-2 Blues Driver

Shared character: boost, smooth, overdrive

Vemuram Butter Machine

Shared character: smooth

Shins Music Shin's Music Velvet Boost

Shared character: boost, smooth

Walrus Audio WAL-385/MK2 #BK

Shared character: thickness, overdrive

SolidGoldFX Commodore Bluesbreaker-Style Overdrive

Shared character: rich, smooth, overdrive

Bixonic Expandora

Shared character: rich, boost, thickness

Keeley Red Dirt Overdrive

Shared character: rich, boost, thickness

Wampler Belle

Shared character: boost, smooth, lead

Univox UD-50 Uni-Drive

Shared character: rich, boost, thickness

Ibanez WH10V3

Shared character: singing, smooth, lead

Wampler Paisley Drive Deluxe

Shared character: rich, boost, overdrive

Colorsound Power Boost

Shared character: singing, rich, boost

Greer Amps Royal Velvet

Shared character: boost, thickness, smooth

J. Rockett Archer

Shared character: boost, smooth, response