Radial PZ-Deluxe Acoustic Guitar Preamp Pedal

The Sanctuary Perspective

The Radial PZ-Deluxe is a feature-rich, single-channel acoustic instrument preamp and direct box engineered to deliver studio-grade tone shaping and instant feedback control on stage. Built around a low-noise Class-A signal path, the PZ-Deluxe accommodates magnetic pickups, active preamp systems, and passive piezo transducers with equal finesse. Equipped with a 3-band EQ featuring a sweepable semi-parametric midrange, a dedicated 10M-Ohm PZ-B piezo booster, variable notch filtering, a variable power boost, and a low-noise XLR direct output, the PZ-Deluxe provides complete tonal control in a pedalboard-friendly footprint.

Product Intelligence & Signal Shaping Profile

• Best For: Performing Acoustic Guitarists, Stand-Up Bassists, Mandolin & Violin Players, Singer-Songwriters, and Live Stage Acoustic Rigs.
• Sound Character: Pristine, open, and natural Class-A tone preservation with musical semi-parametric EQ control, smooth high-end detail, and dead-quiet operation.
• Compared To: Provides a more streamlined, single-channel footprint than the dual-channel PZ-Pre or PZ-Pro, while offering significantly more EQ flexibility (sweepable mid control) and stage switching options than the compact AC Driver.
• Sanctuary Expert Note: "The PZ-Deluxe hits the absolute sweet spot for solo acoustic performers and gigging players. Having a sweepable midrange EQ right at your feet lets you scoop out offending boxy frequencies instantly, while the dedicated power boost footswitch ensures your fingerpicked solos stand out in any mix."

Key Features & Stage Engineering Highlights

• Low-Noise Discrete Class-A Circuitry: Preserves the natural acoustic attack, dynamic response, and rich harmonic overtones of your instrument without harsh digital coloration.
• 3-Band EQ with Sweepable Midrange: Sculpt your tone precisely with High and Low shelving EQs alongside a semi-parametric mid control sweepable from 250Hz to 5kHz.
• Selectable PZ-B Piezo Booster: Engages a 10M-Ohm ultra-high impedance buffer to eliminate harsh piezo 'quack' and loading artifacts on passive bridge transducers.
• Surgical Notch & High-Pass Filtering: Target and notch out offending resonant feedback frequencies, or roll off low-end rumble with a 3-position high-pass filter.
• Variable Power Boost & Mute Switches: Dedicated footswitches for silent stage tuning and an assignable clean power boost with up to +13dB of extra gain for soloing.
• Balanced XLR Output with Ground Lift: Send a pristine, low-impedance balanced signal directly to the front-of-house PA system or studio console.

Technical Specifications

• Audio Circuit Type: Class-A Discrete FET with Low-Noise Operational Amplifiers
• Number of Channels: 1 (Mono)
• Frequency Response: 20Hz – 20kHz (± 0.5dB)
• Dynamic Range: 105dB
• Total Harmonic Distortion (THD): 0.005% @ 1kHz
• Input Impedance (Standard): 6.8kΩ
• Input Impedance (PZ-B Active): 10MΩ Ultra-High Piezo Buffer
• Output Impedance: 1kΩ Balanced XLR / 1kΩ Unbalanced 1/4"
• Equalization: High (+/-10dB @ 10kHz), Low (+/-12dB @ 75Hz), Mid Parametric Sweep (250Hz – 5kHz)
• Filters: Variable Notch Filter (56Hz – 330Hz), High-Pass Filter (Flat, 80Hz, 200Hz)
• Switches: Mute, Boost On/Off, Phase Invert (180°), Ground Lift, PZ-B On/Off
• Connections: 1 x 1/4" Instrument Input, 1 x 1/4" Stage Amp Output, 1 x 1/4" Always-On Tuner Out, 1 x Balanced XLR Output
• Power Requirement: 15VDC 400mA Supply Included
• Chassis: 14-Gauge Heavy Duty Steel