SKU: 39590861332

Radial Engineering AC DRIVER Compact Acoustic Instrument Preamp

Sale price$117.00 Regular price$130.00
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Description

Radial Engineering AC DRIVER Compact Acoustic Instrument PreampThe 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

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
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 39590861332

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Ed
Port Orchard, US
★★★★★ 5
Good shoes
Size: 8.5 Wide, Color: Cognac
Great shoes and very comfortable. Not very durable in my opinion. Good for dress or casual.
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Reviewed in the United States on March 27, 2026
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Jason Duren
San Leandro, US
★★★★★ 5
Great Looking!
Size: 10 Wide, Color: Cognac
I absolutely love my Marc Joseph New York Men’s Hill Street shoes. The comfort is incredible, the style is sharp, and the hands‑free technology is honestly a game changer. Sliding them on without bending down feels like a small luxury every single day. I’m impressed enough that I’m already planning to purchase more pairs.
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Reviewed in the United States on February 12, 2026
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LL
Waukegan, US
★★★★★ 3
pretty but did not fit me well
I personally found these hard to keep on my foot. I did like the look of them, and the heel height was nice (not too high, but also not a kitten heel). If you have a wider heel, they may be better suited for you. Pretty, classic, understated shoe.
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Reviewed in the United States on June 2, 2025
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M
Charlottesville, US
★★★★★ 5
Comfortable and elegant
Size: 7, Color: Black
This has to be one of the most comfortable pairs I own!
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Reviewed in the United States on October 20, 2025
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Cassidy
Waukegan, US
★★★★★ 3
Back Strap too Loose
Size: 8, Color: Platina
Pretty shoes, but the back strap felt so stretched out I couldn't really wear them. It would have been effort to walk in them.
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Reviewed in the United States on November 5, 2025

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