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Average Price: $246

High-end/Boutique

$60

$151+

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High-end

Price History

Based on price data from 1 merchant for "Aclam Guitars The Windmiller Preamp". Prices shown reflect NEW condition. Tracking began Apr 25, 2026.

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Description

Unleash your guitar's potential with the Aclam Guitars The Windmiller Preamp, a tribute to classic tones and modern craftsmanship. This exceptional preamp pedal is a meticulous reproduction of the legendary Grampian 636, famously wielded by Pete Townshend of The Who. Infusing your sound with vintage warmth and clarity, this pedal offers a unique blend of past and present.

The Windmiller Preamp is designed to deliver a versatile sonic palette. Its Hi-Cut and Lo-Cut controls allow precise tonal shaping, ensuring your guitar cuts through any mix with striking clarity. Whether you're seeking a clean boost or a gritty edge, the adjustable gain control delivers exactly what you need.

Built with high-quality components, this pedal promises durability and reliability for both studio and stage settings. The road-ready construction ensures it withstands the rigors of live performance, while the true bypass feature guarantees zero tone loss when the pedal is disengaged. With its intuitive controls and robust design, The Windmiller Preamp is perfect for musicians who demand both performance and character in their gear.

Key Features:

  • Reproduction of the Grampian 636 preamp used by Pete Townshend
  • Hi-Cut and Lo-Cut controls for tonal adjustment
  • Gain control for versatile sound shaping
  • Road-ready, durable construction
  • True bypass for pure signal integrity
  • Input: 6.3 mm jack
  • Output: 6.3 mm jack
  • Powered by 9V battery or 9V DC adapter (not included)
  • Made in Spain

Owner's manual

Aclam Guitars The Windmiller Preamp User Manual

Product specs

Available since May 2021
Effect Types Preamp

FAQs

What is the primary function of the Aclam Windmiller Preamp?

The Aclam Windmiller Preamp is designed to boost your guitar signal, providing a clean and dynamic preamp effect that enhances your tone without altering it significantly.

Does the Aclam Windmiller Preamp work well with both electric and acoustic guitars?

Yes, the Aclam Windmiller Preamp is versatile and can be used with both electric and acoustic guitars, offering a clean boost that complements various playing styles and genres.

Can the Aclam Windmiller Preamp be used to drive an amplifier into overdrive?

While primarily a clean boost, the Aclam Windmiller Preamp can be used to push an amplifier into overdrive, adding warmth and character to your sound.

What power supply does the Aclam Windmiller Preamp require?

The Aclam Windmiller Preamp requires a standard 9V DC power supply, which is typical for most guitar pedals.

Is the Aclam Windmiller Preamp suitable for live performances?

Yes, the Aclam Windmiller Preamp is well-suited for live performances, providing a reliable and consistent boost to your signal that enhances your overall sound on stage.

Aclam Guitars

Aclam Guitars

The Windmiller Preamp demo + concert I Aclam Guitars

Video thumbnail for The Windmiller Preamp demo + concert I Aclam Guitars by Aclam Guitars

The Windmiller Preamp demo + concert I Aclam Guitars

Aclam Guitars

Aclam Guitars

Video thumbnail for 10 Classic Who Riffs With the Aclam Windmiller Preamp by Reverb

10 Classic Who Riffs With the Aclam Windmiller Preamp

Reverb

Reverb

Video thumbnail for Aclam Guitars: Windmiller Preamp by Brett Kingman

Aclam Guitars: Windmiller Preamp

Brett Kingman

Brett Kingman

Video thumbnail for Aclam The Windmiller Preamp by Mike Hermans

Aclam The Windmiller Preamp

Mike Hermans

Mike Hermans

Video thumbnail for Classic 60s Guitar Sound | The Windmiller Preamp Pedal by Aclam | Pete Townshend Sound by Mark Zabel

Classic 60s Guitar Sound | The Windmiller Preamp Pedal by Aclam | Pete Townshend Sound

Mark Zabel

Mark Zabel

Video thumbnail for Aclam The Windmiller Preamp Demo - PG Gear Spotlight by Premier Guitar

Aclam The Windmiller Preamp Demo - PG Gear Spotlight

Premier Guitar

Premier Guitar

Video thumbnail for The Windmiller Preamp Official Demo I Aclam Guitars by Aclam Guitars

The Windmiller Preamp Official Demo I Aclam Guitars

Aclam Guitars

Aclam Guitars

Video thumbnail for The Windmiller Preamp I Aclam Guitars by Aclam Guitars

The Windmiller Preamp I Aclam Guitars

Aclam Guitars

Aclam Guitars

Video thumbnail for Aclam The Windmiller Preamp by Pedal of the Day

Aclam The Windmiller Preamp

Pedal of the Day

Pedal of the Day

Reviews

PROS

  • Recreates Pete Townshend's iconic tone from early Who records

  • High and low pass filters allow easy tone sculpting

  • Adds fatness and fullness to guitar sound without losing original character

  • Enhances dynamics and clipping behavior for a refined sound

  • Pairs excellently with other pedals for a rich, full tone

  • Provides a clear and punchy sound for chords

  • Versatile, works for various styles from 1950s rock to doomy sludge

  • Consistently left on pedalboard for its impact on overall sound

CONS

  • Larger size takes up significant pedalboard space

  • Can produce muddy single notes on lower strings with clean or light crunch settings

Critic Reviews

Aclam Guitars The Windmiller Preamp review | Guitar World

guitarworld.com

Aclam Guitars’ Windmiller Preamp successfully revives a rare vintage sound, perfect for enthusiasts seeking to emulate Pete Townshend's iconic '60s tone. Its practical tone controls and quality footswitching enhance versatility, allowing it to function well in various setups. However, its somewhat bulky size might deter some players. Overall, this pedal offers excellent character as a boost and tone conditioner, making it a valuable addition to any rig.

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Artist usage

Add artist
See how Carlos Raya uses Aclam Guitars The Windmiller Preamp

Carlos Raya

Guitarist, Composer

Fito & Fitipaldis

...
Verified via Photo

En esta foto podemos ver la pedalera de Carlos Raya en la gira Cada vez Cadáver (2022) con Fito & Fitipaldis.

Genre Usage

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Used With

Based on how musicians on Equipboard use Aclam Guitars The Windmiller Preamp, it is most commonly used with the following gear.

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