Radial Engineering Tonebone AC Driver Compact Acoustic Instrument Preamp

Radial Engineering Tonebone AC Driver Compact Acoustic Instrument Preamp

Radial Engineering Tonebone AC Driver Compact Acoustic Instrument Preamp

B&H # RATBACDRIVER MFR # R800 7322 00
Radial Engineering Tonebone AC Driver Compact Acoustic Instrument Preamp

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Expected availability: 7-14 business days

Product Highlights

  • Studio-Grade Preamp in Pedal Form
  • Class-A Buffered Circuitry
  • Low-Cut, Notch & Level Knobs
  • 180° Phase Switch
  • Mute Footswitch for Silent Tuning
  • 1/4" Input
  • 1/4" Tuner Output & XLR Output
  • Required 9 VDC Power Supply
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This item is noncancelable and nonreturnable.

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$159.99
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Radial Engineering Tonebone AC Driver overview

  • 1Description

The Radial Engineering Tonebone AC Driver is a studio-quality preamp in a pedal form factor. It's designed to amplify acoustic instruments on the stage, employing a Class-A buffered circuit for pristine audio. To help you achieve the tonal profile you're looking for, a low-cut filter, a notch filter, and a level knob are all supplied, as is a 180° phase switch to bust feedback.

The footswitch mutes the pedal so you can tune quietly on stage, provided you feed your signal to a dedicated tuner by means of the dedicated 1/4" tuner output. In addition to the tuner output, a 1/4" instrument output for acoustic amplifiers is on hand, as is an XLR output with a dedicated ground-lift switch for the house PA. Heavy duty components are used throughout to ensure the pedal's durability. The pedal requires a separately-available 9 VDC power supply.

Controls at a Glance
  • Notch Knob: Sets the center frequency for the notch filter, which is used to eliminate feedback
  • Low Cut Knob: Variable filter that rolls off low frequencies and controls bass resonance
  • Level Knob: Controls the output of both the XLR and 1/4" outputs
  • Notch Q Switch: 3-position switch bypasses the notch filter or selects between regular or deep notches; this control works in conjunction with the notch-frequency knob
  • 180° Phase Reverse Switch: Reduces onstage feedback by reversing the polarity of the XLR output
  • Mute Switch and LED: Footswitch turns off all outputs except the tuner output, and can help with silent tuning on stage
I/O
  • A 1/4" input accepts your acoustic guitar's signal, and you can route to a 1/4" output and a balanced XLR connection for the house; a 1/4" tuner output transmit dry signal regardless of the footswitch position
Durability Features
  • Switches with metal outer casing are rated at over 20,000 cycles for durability
  • Glass-filled nylon XLR connector with large nickel-silver pin contacts are tougher than steel
  • A double-sided military spec circuit board has been employed to ensure durability, providing a full ground plane to reduce radio frequency interference
  • An I-Beam 14-gauge chassis prevents the circuit board from being torqued
UPC: 676101044818
In the Box
Radial Engineering Tonebone AC Driver Compact Acoustic Instrument Preamp
  • Limited 3-Year Warranty
  • Table of Contents
    • 1Description

    Radial Engineering Tonebone AC Driver specs

    Audio Circuit Type Class-A FET
    Noise Floor -97 dBu
    Dynamic Range +107 dBu
    Maximum Input +10 dBu
    Input Impedance 10 MOhms
    Output Impedance 4.4 kOhms
    Input Connection 1/4" TS, phone type
    Ground Lift XLR output
    LED Indicators Power, mute
    Output Connectors XLR, 1/4" output, 1/4" tuner output
    Controls Low-Cut Knob: Range of 10 to 200 Hz
    Notch Knob: Range of 60 Hz to 500 Hz
    Others: Level knob, mute footwswitch, 180° phase switch, notch filter switch
    Power 40 mA, 9 VDC (center pin negative)
    Construction 14-gauge steel chassis
    Finish Durable powder coat
    Dimensions (L x W x H) 4.8" x 3.8 x 1.8 / 12.1 x 9.5 x 4.5 cm
    Weight 1.4 lb / 0.6 kg

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