Maximize Your Sound With The Radial AC-Driver Acoustic Instrument Preamp
- Studio quality preamp and class A buffer circuit
- Mute footswitch for silent tuning or instrument changeovers
- Notch filter and 180° phase switch to reduce feedback onstage
- Balanced output to feed a PA or powered speaker
- Audio Circuit Type: Class-A FET
- Noise Floor: -97dBu
- Dynamic Range: +107dBu
- Maximum Input: +10dBu
- Input Impedance: 10 MΩ
- Output Impedance: 4.4kΩ
- Input Connection:1/4″ TS
- Ground Lift: XLR Output
- LED Indicators: Power, Mute
- Ouput Connectors: XLR, 1/4″ Output & 1/4″ Tuner out
- Low Cut Frequency Range: 10Hz-200Hz
- Notch Frequency Range: 60Hz-500Hz
- Extras: 180° phase, Level control, mute footswitch
- Power: 40mA, 9VDC (center pin negative)
- Construction:14-gauge steel chassis
- Finish: Durable powder coat
Manufacturer: Radial Engineering
Model: AC DRIVER
SKU: I511342-N-0-WHXX
UPC: 676101044818
We are Chuck Levin’s Washington Music Center
Since 1958, Chuck Levin’s Washington Music Center has been the trusted destination for musicians and audio professionals across Maryland, Virginia, and Washington, D.C. Family-owned and operated, our legendary music store delivers Everything in Music®—from instruments and recording gear to pro audio, rentals, and repair services.
Our team of musicians and industry experts lives and breathes gear, helping you build the perfect setup for your next performance, studio session, or installation. As an authorized dealer for top brands, we also offer our award-winning CHUCKSCLUSIVE line—exclusive, limited-edition instruments and collaborations recognized with the NAMM Top 100 Dealer Innovation Award for redefining what a music retail experience can be.
Chuck Levin’s isn’t just a store—it’s a community built by players, engineers, and creators who share a lifelong passion for sound. Stop by our legendary Wheaton, MD showroom or contact us anytime for expert advice, product questions, or the best possible deal on your next piece of gear.












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