Radial BigShot ABY — True-Bypass Amp Switcher (A/B/Y) — Made in Canada
Run one guitar into two amps (or two signal paths) and switch cleanly—without tone-suck, hum, or headaches
The Radial BigShot ABY is a rugged, pro-grade true-bypass A/B/Y switcher that lets you route your signal to Amp A, Amp B, or both instantly. It’s built for real-world stages where ground loops and phase issues show up the second you connect two amps—this unit gives you the tools to fix that fast with transformer isolation, ground lift, and 180° polarity reverse on Output B. Bonus: dedicated Tuner Out so your tuner can stay connected without touching your main signal chain.
Made in Canada (as marked on the unit).
Condition & Inclusions:
Condition: Good overall—fully usable and ready for a pedalboard. Cosmetic wear from normal use (scuffs/scratches on the housing), and there’s Velcro residue/patch on the bottom from prior board mounting (see photos).
Included: Pedal only. No box. No power adapter. (This is a passive switcher—no power is required.)
Key Features & Controls:
True-bypass signal path (no buffers, no tone loss feel)
A / B / BOTH switching via two footswitches
TOGGLE: switch between Amp A and Amp B
BOTH: run A + B together
Transformer-isolated Output B (ISO) to help eliminate ground loop hum
Ground Lift (LIFT) on Output B for noise troubleshooting
180° polarity reverse on Output B to fix out-of-phase amp setups
Dedicated Tuner Out for always-connected tuning
Built like a tank, stage-friendly layout (Radial’s thing)
Who is it perfect for?
Players running two amps (clean + dirty, wet/dry, stereo rigs)
Anyone fighting hum/ground loop noise when linking two amps
Pedalboard setups where you want one-button routing without extra boxes
FAQs:
Does it need power?
No—this is a passive ABY switcher. No power supply required.
Will it help with hum when running two amps?
Yes—between ISO + LIFT, it’s designed specifically to solve that common two-amp hum problem.
What does the 180° switch do?
It flips polarity on Output B to correct phase cancellation when two amps don’t “push/pull” the same way.
