The Radial PZ-Deluxe is a studio quality instrument preamp that jam-packs a full array of features into a compact pedal for live stage use. And like most studio preamps, the PZ-Deluxe begins with a low-noise front end that is capable of exceptional dynamics to adapt to all instruments including acoustic guitar, upright bass, mandolin and violin no matter what type of pickup system is being used. For piezo transducers, a special PZB gain stage may be engaged that increases the input impedance to 10 meg-Ohms to eliminate squawk and explosive peaks that are common with other systems. This eliminates the need for a separate preamp - which is of particular importance for those that do not want to cut a hole into their vintage guitar. The control panel is well appointed with input gain, 3-band semi-parametric EQ with variable mid-frequency, three position low-frequency resonance filter and 180-degree polarity reverse switches to eliminate acoustic hot spots that cause runaway resonant feedba
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