StageBug SB-4
Compact active direct box tuned for piezo pickups, small enough to fit inside an instrument case. It suits players of classical guitar, dobro, upright bass, violin and other piezo-equipped acoustic instruments who feed a PA.
- Active DI optimized for piezo transducers
- 5 megohm input impedance smooths piezo peaks
- Powered by 48V phantom, no batteries
- High-pass filter and 180° polarity reverse
- XLR output to PA plus aux out for stage amp
- Balanced signal allows runs up to 100 meters
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The StageBug SB-4 is an active DI designed around piezo transducers. Its input impedance is 5 megohms, which tames the sharp peaks and harsh top end typical of piezo pickups and widens the frequency response. The active circuit balances the signal so that cable runs of up to 100 meters are possible without loss, with low distortion and linear response across the audio range.
For stage use it includes a high-pass filter that trims excess low end and reduces body resonance and feedback, plus a 180° polarity reverse switch that can help with acoustic hot spots by changing the phase relationship between the PA and the room. No separate preamp is needed between the pickup and the PA.
The unit sends a standard XLR output to the PA and an aux output for a stage amplifier. It runs from 48V phantom power, so no batteries are needed. The compact housing is small enough to be carried inside an instrument case, which is useful for travelling with an upright bass or similar instruments.
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Specifiche
- Marca
- Radial Engineering
- Modello
- StageBug SB-4
- Categoria
- Audio live › Altro audio live
Inputs
- Input type
- Piezo transducer
- Input impedance
- 5 meg ohm
Outputs
- Balanced output
- XLR (to PA)
- Aux output
- For stage amplifier
- Maximum cable run
- Up to 100 meters
Audio
- Circuit type
- Active
- High-pass filter
- Yes
- Polarity reverse
- 180°
- Preamp required
- No
Power
- Power source
- 48V phantom power
- Batteries
- Not required
Physical
- Form factor
- Compact, fits inside an instrument case
General
- Part number
- R800 0140 00
- Type
- Compact active piezo DI