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Radial Bass Bone Instrument Pre-Amplifier, 2 Channel With Boost, EFX Loop & Built-In DI, PSU Inc

Manufacturer Radial

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  • Toggle between any two basses with ease
  • Bass overdrive with wet-dry control for extra grit
  • Drag control load correction for vintage basses
  • PZB booster and 10 meg piezo input for upright

The Bassbone OD is a bass preamp with two instrument input channels, each of which is fully equipped with a level control, super powerful passive-interactive EQ and a low frequency filter to help eliminate resonance. Channel-A is equipped with a PZB booster switch that increases the sensitivity and load to 10 meg ohms to optimize it for use with piezo transducers as commonly used on upright bass. Channel-B takes a different slant with Drag Control load correction to optimize the tone and feel when using a passive instrument such as a vintage Fender bass. Toggling between channels is done using a footswitch and both channels may be mixed together by depressing the blend switch, should a dual pickup system be in use. Outputs include a ¼' instrument level output to feed the artist's on-stage amplifier plus a balanced low-Z Radial DI box output to feed the PA system. The XLR output can be assigned pre or post effects to suit the engineer's preference. A separately buffered tuner output works with the mute footswitch for quiet on-stage tuning.

For bassists that employ effects, both input channels can share the same pedals by connecting via the built-in send & receive effects loop. This is augmented with an on-board bass overdrive with control over the drive level and tone. A wet-dry mix lets you add slight grit similar to an Ampeg SVT or full on distortion depending on your mood. The OD footswitch may be assigned to the loop, overdrive or both. Finally, a built-in headphone amp with 3.5mm output lets you use the Bassbone on the bus for those long drives between gigs.

The Bassbone OD... the world's most powerful bass preamp in a pedal.


Audio circuit type:  Discrete class-A FET input with low noise ICs.
Frequency response:  20Hz ~ 18kHz
Total harmonic distortion:  0.05% @ -15dBu
Intermodulation distortion:  0.2% @ -20dBu 
Dynamic range:  85dB
Input impedance: Input A:  220K/10M
Input impedance: Input B:  Variable from 22K to 1.8M
Output impedance: 300 Ohms at XLR
Maximum input:  +7 dBu
Gain:  Unity gain device 
Gain - boost drive:  0 to 25 dB 
Gain - PZB boost:  +10dB on channel A 
Clip level output:  +10dBu at XLR
Noise floor:  -100dB
Equivalent input noise::  -92dBu at XLR
Audio Connections: ¼" Output High-Z instrument-level
3.5mm output Headphone, mono with volume control
Balanced mic level XLR output, AES standard (pin-2-hot)
Controls:  Gain, Low, Mid & High X2. Drive, Mix, Tone in OD, Drag 
Switches:  PZB, Blend, FX 180, XLR G/L & 180, LOOP Mode, EFX mode, HPF X 2, Mid Frequency x 2
Low-cut filter:  Flat, 80Hz and 150Hz
Filter slope: 6 dB/Octave
Merge function:  Recessed Blend switch mixes ch-1 & ch-2 together 
XLR configuration:  Pin 2 +, Pin 3 -, Pin 1 Ground 
Ground lift: Lifts pin-1 on the XLR
Power:  +15VDC/400mA adapter included
Construction:  14 gauge steel
Finish: Powder-coat
Size: (L x W x D) 8" x 4.2" x 2" (203 x107 x 48mm)
Weight:  2.55lb (1157 grams)
Shipping Size: (L x W x D): 10.75" x 5"x 2.75" (273 x 127 x 70mm)
Shipping Weight: 2.8lb (1270 grams)
Conditions: For use in dry locations only between 5°C and 40°C
Warranty:  Radial 3-year, transferable
Specifications are subject to change without notice.

Equipment available to buy from this site is for professional use only. Please note in certain countries some products listed may not be available from A.C. Entertainment Technologies Ltd.

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