Radial (R800 7085 ) Acoustic Preamp - Two-Channel

1/4" Effects Loop, Tuner

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What's in the box:

  • Radial Engineering Tonebone PZ-Pre Acoustic Instrument Preamp
  • Power Supply
  • 3-Year Limited Warranty

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The Radial Tonebone PZ-Pre is the most powerful acoustic preamplifier ever to be put inside a pedal. And when we say acoustic, we do not just mean acoustic guitar - we mean ANY acoustic instrument including banjo, violin, cello, mandolin, contrabass, bouzouki or lute. The magic lies in the combination of high performance 100% discrete class-A PZB piezo boosters, an ultra-quiet preamp circuit that will adapt to any pickup system and a host of connectivity options that will put you in total control. The PZ-Pre is equipped with two inputs for quick instrument changes on stage. Compact and easy to use, the Radial PZ-Pre packs in all of the features you need to take your acoustic instrument from home to studio and club to concert.


  • Gives you up yo 8dB of added gain
  • With bass, semi-parametric mid range, and high frequency controls
  • Sets the center frequency for the notch filter
  • Sets the input volume level on each channel

Specifications for the Radial (R800 7085 ) Acoustic Preamp

{ "Audio circuit type:" : "Proprietary active circuit", "Number of channels:" : "Dual Input, Amp Out, Pre and Post EQ XLR balanced Out", "Input Impedance:" : "6.8k Ohm at input jack (PZB active 10meg Ohm)", "Output Impedance:" : "1k Ohm", "Features" : { "180° polarity reverse, Ground lift, Effects Loop, EQ Control, Boost" : "", "Input Connectors:" : "1/4"", "Output Connectors:" : "Pre and Post EQ XLR ", "Extras:" : "1/4" Effects Loop, Tuner" }, "General" : { "Construction:" : "14-gauge steel", "Size (L x W x D):" : "8"w x 4 ¼"d x 2"h (205 x 110 x 51mm)", "Weight:" : "2.7lbs (1.2kg)", "Power:" : "15VDC 400mA, center pole positive", "Conditions:" : "For use in dry locations only between 5°C and 40°C" } }

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