The Morley Rex Brown Pantera Old Blue Wah Effects Pedal delivers aggressive, powerful wah tone with smooth optical switching and signature Old Blue voicing — built for high-impact rock and metal performance.

Morley Rex Brown Pantera Old Blue Wah Effects Pedal

The Morley Rex Brown Old Blue Wah is a signature wah pedal designed in collaboration with Pantera bassist Rex Brown. Inspired by the legendary Morley “Old Blue” wah, this pedal delivers bold sweep, deep low-end response, and cutting midrange presence — perfect for heavy rock and metal applications.

Featuring Morley’s switchless optical circuitry, the pedal engages automatically when you step on it and bypasses when you step off. This design ensures smooth, noise-free operation and maximum reliability for live performance.

Built with rugged construction and stage-ready durability, the Rex Brown Old Blue Wah offers powerful tone shaping while maintaining clarity and punch across your rig.

Angkor Music Shop Melbourne Authorized Seller.
Angkor Music offers Guitars/Amplify/Drums/Orchestra/Woodwind instruments repairs or setups.

Key Features

  • Rex Brown (Pantera) signature wah pedal
  • Classic “Old Blue” wah voicing with aggressive sweep
  • Switchless optical operation for silent, smooth engagement
  • Wide dynamic range with strong low-end response
  • Rugged metal chassis for stage durability
  • Ideal for rock, metal, and high-gain applications

Specifications

  • Type: Wah Guitar Effects Pedal
  • Circuit: Optical (switchless operation)
  • Bypass: Automatic on/off
  • Power: 9V DC adapter or 9V battery
  • Input: 1/4" instrument input
  • Output: 1/4" instrument output
  • Construction: Heavy-duty metal housing

 

Not Sure Which Guitar Pedal to Choose?

Our range of guitar effects pedals covers everything from lush reverb and spacious delay to powerful distortion, smooth overdrive, and all-in-one multi-effects units. Whether you're shaping your first tone or building a full pedalboard, we’ve got options for every style and skill level.

Shop Guitar Effects Pedals

Frequently Asked Questions

What makes this wah different from standard wah pedals?

It features Morley’s switchless optical circuitry, allowing automatic engagement without a mechanical footswitch and providing smooth, noise-free operation.

Is this pedal suitable for high-gain amps?

Yes. The Old Blue voicing delivers aggressive sweep and strong low-end response, making it ideal for rock and metal rigs.

Can it be used for bass or guitar?

While designed with Rex Brown’s bass tone in mind, it works excellently with both bass and guitar setups.

How is the pedal powered?

It can be powered via a 9V DC adapter or a 9V battery.