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Based on price data from 2 merchants for "Peavey Rock Master Pre-amp". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

The Peavey Rock Master Pre-amp is your ticket to the legendary high-gain tones of the '90s, now in a portable pedal format. This powerhouse preamp brings the iconic Rock Master Ultra channel to your feet, offering a dynamic saturation that emulates the feel of a cranked tube amp. Whether you're aiming for tight rhythm crunch, searing solos, or aggressive modern sounds, this pedal serves as a versatile foundation with authentic Peavey flair.

At the heart of the Rock Master is Peavey's TransTube analog circuitry, which captures the snarling gain structure and tightly focused mids that defined an era of hard rock and metal. Its twin gain-stage architecture, with both Pre- and Post-gain controls, lets you fine-tune your attack and sustain with pinpoint accuracy. Complemented by a 3-band EQ labeled Bottom, Body, and Edge, the pedal offers musical, amp-like tone shaping that integrates seamlessly into any rig.

Designed for serious use, the Rock Master features a rugged die-cast chassis and high-quality components, ensuring durability on stage and in the studio. A true hard bypass switch with an anti-click circuit preserves your signal chain when the pedal is disengaged. This pedal isn't just a tribute; it's a genuine piece of Peavey's legacy, built with the same analog design principles as the original rack unit.

Key Features:

  • TransTube circuitry for authentic tube-like saturation
  • Twin gain-stage architecture with Pre- and Post-gain controls
  • 3-band EQ with Bottom, Body, and Edge controls
  • Mid-shift switch for boosted or scooped mids
  • Gain boost switch for enhanced lead presence
  • Rugged die-cast chassis with high-quality components
  • True hard bypass switch for signal chain preservation

Product specs

Pedal Type Preamp
Analog/Digital Analog
Inputs 1 x 1/4"
Outputs 1 x 1/4"
Bypass Switching Hard Bypass
EQ 3-band EQ (Bottom, Body, Edge), Mid-shift switch
Controls Pre, Post
Power Source 9V DC power supply (sold separately)

FAQs

What type of power supply does the Peavey Rock Master Pre-amp require?

The Peavey Rock Master Pre-amp requires a 9V DC power supply, which is sold separately.

How does the Peavey Rock Master Pre-amp shape the guitar tone?

The Peavey Rock Master Pre-amp features a three-band EQ with Bottom, Body, and Edge controls, along with a mid-shift switch, allowing for precise tone shaping.

What technology does the Peavey Rock Master Pre-amp use to deliver its tones?

The Peavey Rock Master Pre-amp utilizes TransTube technology to deliver authentic Peavey Rock Master Ultra channel tones, providing amp-like dynamics and responsiveness.

Is the Peavey Rock Master Pre-amp suitable for live performances?

Yes, the Peavey Rock Master Pre-amp is built with a durable die-cast metal enclosure and high-quality components, making it reliable for live performances.

Can the Peavey Rock Master Pre-amp be used for both clean and distorted tones?

Yes, the Peavey Rock Master Pre-amp features pre- and post-gain controls, along with gain and mid-shift switches, allowing for versatile sound customization from clean to rich saturated tones.

Michael Nielsen - Big Hairy Guitars

Michael Nielsen - Big Hairy Guitars

Peavey Rockmaster Preamp

Video thumbnail for Peavey Rockmaster Preamp by Michael Nielsen - Big Hairy Guitars

Peavey Rockmaster Preamp

Michael Nielsen - Big Hairy Guitars

Michael Nielsen - Big Hairy Guitars

Video thumbnail for Peavey Rockmaster Preamp Metal Tone by Chris K. Oz

Peavey Rockmaster Preamp Metal Tone

Chris K. Oz

Chris K. Oz

Video thumbnail for The grandfather of the Triple XXX, JSX etc... Peavey Rockmaster Preamp Review (Amp Vault) by Dome

The grandfather of the Triple XXX, JSX etc... Peavey Rockmaster Preamp Review (Amp Vault)

Dome

Dome

Video thumbnail for Peavey - Rockmaster Pre Amp - Metal Demo by ShredHeads

Peavey - Rockmaster Pre Amp - Metal Demo

ShredHeads

ShredHeads

Reviews

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Peavey Rock Master Pre-amp.

Features and functionality

  • The Rock Master has five effect loops; some units may require patch cables to bridge them if not internally bridged through mods.

    Source
  • A footswitch is necessary for channel switching, with simple plastic two-button Peavey switches or small Laney footswitches being effective choices.

    Source

Setup and maintenance

  • The post EQ on crunch and lead channels is powerful but can become honky; start EQ settings at noon and adjust slowly.

    Source
  • The Ultra channel's volume disparity might stem from faulty tubes or malfunctioning JFETs, which mute channels when switched. Replacement requires soldering skills.

    Source

User experience

  • Lower gain settings on crunch and lead channels offer good headroom for boosting, complementing a classic Peavey and HM-2 combination.

    Source

Mods and upgrades

  • JFETs in Peavey circuits can mute channels if faulty. Though being phased out, replacements are still available for those skilled in soldering.

    Source

4.5 out of 5

Based on 1 Review and 2 Ratings

5 star
4 star
3 star
2 star
1 star
keith_bowen

If you like metal you'll like this

Three channels you can set clean, lower gain and extremely high gain. From hair metal to death metal, this thing has the gain. It's pre 5150, but it can get similar gain sounds from it. If you see one, check it out.

Artist usage

Add artist
See how Andy Timmons uses Peavey Rock Master Pre-amp

Andy Timmons

Guitarist

Danger Danger

...
Verified via Pinterest

During his time with Danger Danger, Andy Timmons used the Peavey Rock Master Pre-amp, as evidenced by a Peavey advertisement featuring his flight case.

See how Brian Gibson uses Peavey Rock Master Pre-amp

Brian Gibson

Bassist

Lightning bolt

...
Verified via Photo

In an interview featured on Smartbassguitar, Brian Gibson discusses his use of the Peavey Rock Master Pre-amp, detailing its role in his setup with Lightning Bolt.

See how Jonathan Wilson uses Peavey Rock Master Pre-amp

Jonathan Wilson

Guitarist

Eisley

...
Verified via YouTube

Jonathan Wilson talks through the racks in his studio

See how Dallas Toler-Wade uses Peavey Rock Master Pre-amp

Dallas Toler-Wade

Guitarist

Nile

...
Verified via YouTube

Dallas Toler-Wade uses the Peavey Rock Master Pre-amp, as demonstrated in the YouTube video "RIGGED: Narcotic Wasteland" by Trey Xavier on GEAR GODS.

Genre Usage

Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.

Used With

Based on how musicians on Equipboard use Peavey Rock Master Pre-amp, it is most commonly used with the following gear.

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1 alternative for Peavey Rock Master Pre-amp, curated by the Equipboard community.

Peavey Rock Master Preamp Pedal
newer similar sound cheaper alternative

A newer, compact form recreation of the Rock Master "Ultra" channel.

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