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Preamps and ProcessorsDI Boxes

Radial Engineering StageBug SB-4 Ultra-Compact Active DI for Piezo Pickups

         Manufactured by: Radial Engineering

Continental US - larger items may carry a partial shipping charge to AK, HI and PR
All shoppers outside the US State of New Jersey pay NO SALES TAX on any purchases at Gollihur Music. (NJ Residents pay NJ State Sales Tax of 6.875%.) International customers, please visit our "How to Order" Policies page for information concerning VAT and Customs Charges that may be assessed by your country and/or delivery services.
  $79.99  

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If you - like me - don't like dragging a lot of extra gear to the gig, this little guy might just be your new best friend. The new Radial StageBug SB4 is an Active Direct Box which is designed for use with Piezo Pickups. If you're not familiar, a direct box is the least complicated method for getting your instrument's sound to the main PA. Most well-prepared soundmen -- and women, can't be sexist here! -- carry a bucketful of "DI's." ("Direct Box" is a condensed version of "Direct Injection Box," hence the odd acronym.)

So why should you bring your own?

Here's why - the "general purpose" ones that your sound engineer has rarely "play nice" with the piezo-based pickup on your bass. And while the engineer might not care, you should. Unlike typical direct boxes - which aren't optimized for piezo pickups - the SB-4 features a high 5meg-ohm impedance that smoothes out the troublesome peaks (and thus, quacky sound) that give piezos a bad name. The higher impedance also broadens the frequency response for a more open, natural sound.

The SB-4 is basically a tiny version of the popular PZ-DI (with some scaled back features) and offers a super-easy interface with a sound board operator at your gig. Plug your bass in one end, and the engineer can plug in an XLR (mic) cable to the other... and you're in business!

The active electronic circuitry in the SB4 converts the impedance and balances the signal, allowing for long runs from stage to mixing board - no worries about signal loss or ugly noise. And, like all Radial gear, it's built like a tank.

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 dials back excessive bottom end (on a gradual curve) to limit woofy resonances that can cause the top of the instrument to vibrate (and create feedback). The 180° polarity reverse helps reduce acoustic hot spots on stage by changing the phase relationship between the PA system and room acoustics. Reversing the polarity like this can blank out feedback-inducing acoustic peaks, without having to resort to severe EQ adjustments that "ugly up" your sound.

Along with the standard XLR output to feed the PA, there's also a 1/4" output so you can also send your bass to an onstage amp, electronic tuner, or headphone amp. Operating power for the SB4 comes from the console's 48V phantom power (required), eliminating the need for batteries or external supply.

The compact size and killer features make the StageBug SB4 the perfect companion for concert venues, bluegrass stages and recital halls that call for lots of great sound (but not lots of gear).

Specifications

  • Audio circuit type: Piezo optimized active buffer
  • Frequency response: 20Hz to 20kHz
  • Total harmonic distortion: <0.006%
  • Dynamic range: 100dB
  • Input impedance: 5Meg Ohms
  • Maximum input: +4dBu
  • Gain: +2dB
  • Output impedance: 330k Ohms
  • Equivalent input noise: -101dBu
  • Noise floor: -97dBu
  • Intermodulation distortion: <0.01%
  • Phase deviation: 10° @ 50Hz
Features
  • Switches: High Pass Filter, Phase, Ground Lift
  • Low-cut filter: 150 Hz
  • Filter slope: 6dB/octave
  • Instrument input: ¼" buffered with piezo optimized load
  • Auxilary output: ¼" buffered to drive guitar effects, amplifier or tuner
  • Balanced output: Pin-1 ground, pin-2 (+), pin-3 (-)
  • Polarity reverse: 180°
  • Ground lift: Soft lift with 100 Ohms to ground
  • General Construction: 16 gauge steel chassis & outer shell
  • Finish: Baked enamel
  • Size: (L x W x D) 4.5" x 1,85" x 1.35" (114mm x 47mm x 34mm)
  • Weight: 0.55 lbs (250 grams)
  • Power: 48V phantom power
  • Warranty: Radial 3-year, transferable
Specifications are subject to change without notice.

WARNING: Cancer and/or Reproductive Harm
According to California state law, if you are a resident of California, we
must notify you that this product contains chemicals known to the state
of California to cause cancer, birth defects or other reproductive harm.


Is this product returnable? Click here for our return policy.
Is there a Factory Warranty? Click here to find Warranty Information for all of our manufacturers.
International customer? Click here for important information about ordering from outside the USA, and what to expect concerning taxes, VAT, delivery times, and more.


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