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Radial Stagebug SB-1 Active DI



SB-1 Stagebug Active Direct Box for Acoustic Instruments 


The Radial SB-1 Acoustic is Radials’s smallest active direct box. Made to fit inside a guitar case, the SB-1is perfect for players on the move. 


The standard 1/4" input has a thru-put to feed your tuner or on-stage amp. The ultra-quiet active circuit converts the signal from high to low impedance to reduce susceptibility to noise. The buffered signal buffers can easily handle long runs to the PA system. And with 48-volt phantom powering, the SB-1 does not require batteries or external supply.


The active circuit features a carefully selected 220k-ohm input impedance to eliminate problems with loading while delivering a smooth, warm sound to the audio system. 


Additional features:

  • Active direct box designed for acoustic guitar
  • Ultra compact to fit in your guitar case
  • -15dB pad reduces the input sensitivity of louder instruments (electric bass/keyboards) 
  • 180° polarity switch helps eliminate hot spots on stage and reduce feedback 
  • Plug-and-play easy to use features
  • 48V phantom powered, no batteries needed


Why we like it:

The SB-1 sends a much cleaner, stronger signal from acoustic pickups that need a boost—without adding extra noise (for piezo-equipped guitars, you might want to compare the Stagebug SB-4). The Radial Stagebug series are compact, quiet and warm sounding. They offer Radial quality at a great price.


Plus, if it says Radial, we know it’s well engineered and built to last. There’s less-expensive gear out there, but none better. Radial gear performs gig after gig, session after session, and you can expect years of service—which means our customers love them and we don’t see them coming back for repairs. We always like that.