RADIAL ENGINEERING

PZ-DELUXE

Acoustic instrument preamp and DI pedal, semi-parametric EQ, boost and mute footswitches, feedback control, XLR direct output, piezo pickup optimization.


$379.99 CAD
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Description

Radial PZ-DELUXE Acoustic Preamp is a studio-quality acoustic instrument preamp and direct box housed in a rugged pedal format for live performance. Designed to work with virtually any acoustic pickup system, including piezo transducers, magnetic pickups, and contact microphones, it provides professional-grade tone shaping, stage control, and direct connectivity to front-of-house systems. Combining a high-quality Class A FET input stage with Radial's renowned DI technology, the PZ-DELUXE delivers clear, natural sound while giving performers the flexibility needed for demanding live environments.

A powerful semi-parametric EQ section allows precise tonal adjustment through dedicated low and high shelving controls alongside a sweepable mid-frequency band, making it easy to tailor the sound of acoustic guitars, upright basses, violins, mandolins, dobros, and other acoustic instruments. The built-in high-pass filter helps control low-frequency resonance and stage rumble, while the 180-degree polarity reverse switch can reduce feedback caused by acoustic hotspots. A unique PZB booster increases the input impedance to 10 MΩ, optimizing performance for piezo-equipped instruments and preserving their full tonal character without requiring onboard electronics.

Designed for practical stage use, the PZ-DELUXE features dedicated footswitches for mute and boost functions. The mute switch allows silent tuning while keeping the tuner output active, and the adjustable boost provides up to 15 dB of additional gain for solos and featured passages. Separate outputs feed both a stage amplifier and a balanced XLR direct output for the PA system, while a ground lift switch helps eliminate hum caused by ground loops. Compact, roadworthy, and easy to operate, the PZ-DELUXE serves as a complete front-end solution for acoustic performers seeking exceptional sound quality and reliable control in live performance settings.

Features

Studio-Quality Acoustic Preamp
Delivers professional-grade acoustic instrument amplification in a compact pedal format for live and studio use.

Acoustic Instrument Optimization
Designed specifically for acoustic guitars, upright basses, violins, dobros, mandolins, and other acoustic instruments.

Supports All Pickup Types
Works with magnetic pickups, piezo pickups, transducers, and other acoustic instrument pickup systems.

Built-In Radial DI
Features an integrated Radial direct box for sending a balanced signal directly to a PA system.

Balanced XLR Output
Provides a professional balanced output connection for mixers, PA systems, and recording equipment.

Dedicated Stage Amp Output
Includes a separate output for feeding an on-stage amplifier while simultaneously sending audio to the PA.

Dedicated Tuner Output
Provides an always-active tuner output for convenient tuning during performances.

Semi-Parametric Equalizer
Offers detailed tone shaping with low and high shelving controls plus an adjustable mid-frequency section.

Three-Band EQ
Allows precise adjustment of bass, midrange, and treble frequencies for optimal instrument tone.

Variable Mid-Frequency Control
Lets users select the center frequency for midrange adjustments and tonal refinement.

Powerful Tone Shaping
Provides extensive tonal control to adapt instruments to different stages, rooms, and performance environments.

Input Level Control
Adjusts the overall gain of the preamp for proper signal matching and output level management.

Variable Solo Boost
Includes a footswitchable gain boost for solos and featured passages.

Adjustable Boost Level
Provides a set-and-forget control for determining the amount of boost applied during activation.

Footswitch-Controlled Boost
Instantly increases output level during live performances with a dedicated footswitch.

Mute Footswitch
Allows silent muting of outputs during tuning, instrument changes, and stage adjustments.

Silent Stage Tuning
Mutes performance outputs while maintaining tuner functionality for discreet tuning between songs.

PZB Piezo Booster
Features a dedicated impedance and sensitivity booster optimized for piezo transducers.

Ultra-High Input Impedance Mode
Raises input impedance for improved performance and tonal response from piezo pickups.

Direct Piezo Compatibility
Allows piezo-equipped instruments to connect directly without requiring onboard preamps.

High-Pass Filter
Reduces unwanted low-frequency energy that can cause resonance and feedback.

Feedback Reduction
Helps control acoustic feedback through filtering and phase management tools.

180° Polarity Reverse
Provides phase inversion to reduce acoustic hot spots and improve feedback control on stage.

Ground Lift Switch
Helps eliminate hum and buzz caused by ground loops in connected sound systems.

Hum and Noise Reduction
Minimizes unwanted system noise when connected to professional audio equipment.

Class A FET Hybrid Input Stage
Uses a high-quality Class A FET hybrid circuit for natural acoustic instrument reproduction.

Wide Frequency Response
Captures the full tonal range of acoustic instruments with extended bandwidth performance.

High Dynamic Range
Maintains musical dynamics and detail for expressive acoustic performances.

Low Distortion Performance
Preserves the natural character of acoustic instruments with minimal signal coloration.

Low Noise Operation
Designed for clean signal amplification with minimal background noise.

Simultaneous PA and Amplifier Feeds
Sends audio to both a front-of-house system and stage amplifier at the same time.

Live Performance Optimized
Provides essential stage tools including mute, boost, EQ, feedback control, and direct outputs.

Plug-and-Play Operation
Simple setup and intuitive controls make it easy to use in any performance environment.

Compact Pedal Format
Combines professional preamp and DI functionality within a durable pedal-sized enclosure.

Extended Instrument Compatibility
Performs exceptionally well with acoustic guitars, upright basses, orchestral instruments, and specialty acoustic instruments.

Ideal for Solo Performers
Acts as a complete front-end solution for acoustic solo performances and small venue gigs.

Professional Acoustic Signal Management
Combines preamplification, equalization, DI functionality, boosting, tuning, and feedback control in one device.

Specifications

General Specifications
Product Type: Acoustic Instrument Preamp And Direct Box
Product Name: PZ-Deluxe
Part Number: R800 7320 00
Number Of Channels: 1
Audio Circuit Type: Class A FET Hybrid Input Stage
Application: Acoustic Instruments, Piezo Pickups, Magnetic Pickups, Transducers
Form Factor: Floor Pedal
Integrated DI: Yes
Boost Footswitch: Yes
Mute Footswitch: Yes

Audio Performance
Frequency Response: 20 Hz – 18 kHz (0/-3 dB)
Dynamic Range: 105 dB
Gain: +21 dB (PZB Off)
Total Harmonic Distortion: 0.03% @ -20 dB Output
Intermodulation Distortion: 0.07%
Equivalent Input Noise: -108 dBu

Input Specifications
Input Connector: 1/4" TS
Input Impedance (PZB Off): 6.8 kΩ
Input Impedance (PZB On): 10 MΩ
Pickup Compatibility: Piezo, Magnetic, Transducer

Output Specifications
Stage Amp Output: 1/4" TS
Balanced DI Output: XLR
Tuner Output: 1/4" Dedicated Output
Output Impedance (XLR): 600 Ω

Equalization
EQ Type: 3-Band Semi-Parametric
Low EQ: Shelving
Mid EQ: Variable Frequency Midrange Control
High EQ: Shelving
Frequency Control: Variable Mid-Frequency Adjustment
Tone Shaping: Yes

Signal Controls
Level Control: Master Output Level
Boost Control: Variable Gain Boost
Mute Control: Output Mute
PZB Control: High-Impedance Piezo Booster
Ground Lift: Yes
Polarity Reverse: 180°
Low-Cut Filter: 3-Position HPF

Boost Section
Boost Activation: Footswitch
Boost Gain: Up To 15 dB
Boost Level Control: External Set-And-Forget Adjustment
LED Indicator: Yes

Feedback Control
180° Phase Reverse: Yes
Low-Cut Filter: Yes
Low-Frequency Resonance Reduction: Yes
Acoustic Feedback Reduction: Yes

Direct Box Features
DI Type: Built-In Radial Direct Box
Output Format: Balanced Low-Z XLR
Ground Lift Switch: Yes
PA System Feed: Yes

Switching Functions
Mute Footswitch: Yes
Boost Footswitch: Yes
Silent Tuning Capability: Yes
Tuner Output Active During Mute: Yes

Connectivity
Instrument Input: 1 x 1/4"
Stage Amp Output: 1 x 1/4"
Tuner Output: 1 x 1/4"
Balanced DI Output: 1 x XLR

Power Specifications
Power Supply: 15 VDC Adapter
Current Requirement: 400 mA
Polarity: Center Pin Positive

Physical Specifications
Dimensions (L x W x H): 155 x 96.5 x 53 mm
Dimensions (W x D x H): 146 x 95 x 52 mm
Weight: 0.8 kg

Environmental Specifications
Operating Temperature: 5°C To 40°C
Usage Environment: Dry Locations Only

Applications
Acoustic Guitar: Yes
Upright Bass: Yes
Violin: Yes
Dobro: Yes
Mandolin: Yes
Solo Performance: Yes
Live Stage Use: Yes
PA System Integration: Yes

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