Description
Front-of-house engineers love a stage input that just works, and the Radial StageBug SB-2 is built for exactly that. It’s small enough to ride in the pocket of a gig bag, but the feature set inside covers the practical problems that show up on stage every night.
Signal comes in through a 1/4″ jack with a thru-put to keep feeding your on-stage amp, then passes through Radial’s custom Eclipse ET-DB3 transformer for impedance matching and balancing. Instruments running hot — active basses, digital pianos, and similar sources — won’t overload the input thanks to a switchable -15dB pad. Stereo sources like keyboards or a laptop can be merged down to mono on the fly with the built-in merge function, so you’re not burning an extra channel or reconfiguring the source mid-set. Output is XLR, wired AES-standard with pin-2 hot for drop-in compatibility with any console.
Tonally, the ET-DB3 transformer brings a warm, slightly vintage character and a natural compression on peaks that keeps things musical under pressure. Because the transformer isolates input from output, ground-loop hum and buzz are largely designed out of the signal path from the start; a ground lift switch (pin-1 lift on the XLR) is there for the rare case you need it.
- Passive DI suited to bass, acoustic guitar, and keyboards
- Compact enough to travel in a guitar case
- Straightforward plug-and-play operation for quick changeovers
- Transformer isolation for quiet, noise-free stage runs







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