Radial Engineering StageBug SB-4 Piezo Orchestra DI
UPC/EAN #676101040667
MPN #R800 0140
$119.99
Save 16.7%, MSRP $144.00
The Radial StageBug SB-4 is a compact active direct box that has been optimized for use with piezo transducers.
The Radial StageBug SB-4 is a compact active direct box that has been optimized for use with piezo transducers. This enables violin, dobro, mandolin, cello, upright bass and other instruments that are best amplified using a piezo to be connected without compromising the tone or frequency response.
The design begins with a ¼" input for the instrument pickup. Unlike typical direct boxes that have a 1meg-ohm input impedance, the SB-4 features a very high 10meg-ohm impedance that smoothes out troublesome peaks that give piezos a bad name. The higher impedance also broadens the frequency response for a more natural and pleasing sound. The active circuit performs the high-to-low impedance conversion and balances the signal to enable long runs upwards to 100 meters without loss, delivering spectacular linearity and low distortion throughout the audio range.
To help eliminate feedback on stage, the SB-4 is equipped with a high-pass filter and 180 polarity reverse switch. The high pass filter eliminates excessive bottom end which in turn reduces resonance that can cause the top of the instrument to vibrate. The 180 polarity reverse helps reduce acoustic hot spots on stage by changing the phase relationship between the PA system and room acoustics which can combine at certain frequencies to create peaks. Reversing the polarity eliminates the acoustic peak without resorting to severe equalization which only serves to compromise the natural tone of the instrument. Connections include an AUX out for a stage amplifier plus a standard XLR output to feed the PA. Power is derived from the console's 48V phantom, thus eliminating the need for batteries or external supply. One simply connects, turns on the phantom power and plays!
These features combined with the compact size make the StageBug SB-4 the perfect companion for orchestral artists, blue grass players and pop string quartets that need to turn it up when in concert.
Features
Active DI optimized for piezo transducersSmoothes out peaks, eliminates squawkHigh pass filter eliminates resonanceUltra compact to fit in your guitar case
Specifications
Audio circuit type : Piezo optimized active bufferFrequency response : 20Hz to 20kHzTotal harmonic distortion : <0.006%Dynamic range : 100dBInput impedance : 5Meg OhmsMaximum input : +4dBuGain : +2dBOutput impedance : 330R OhmsEquivalent input noise : -101dBuNoise floor : -97dBuIntermodulation distortion : <0.01%Phase deviation : 10 @ 50Hz
Features
Switches : High Pass Filter, Phase, Ground LiftLow-cut filter : 150 HzFilter slope : 6dB/octaveInstrument input : ¼" buffered with piezo optimized loadAuxilary output : ¼" buffered to drive guitar effects, amplifier or tunerBalanced output : Pin-1 ground, pin-2 (+), pin-3 (-)Polarity reverse : 180Ground lift : Soft lift with 100 Ohms to ground
General
Construction : 16 gauge steel chassis & outer shellFinish : Durable powder coatSize : (L x W x D) 4.5" x 1,85" x 1.35" (114mm x 47mm x 34mm)Weight : 0.55 lbs (250 grams)Shipping size : (L x W x D) : 8" x 5" x 3" (203mm x 127mm x 76mm)Shipping weight : 0.8 lbs (365 grams)Power requirement : 48V phantom power, 5mAConditions : For use in dry locations only between 5C and 40C
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