Gurus Audio Doppoler

The Gurus Audio Doppoler is a rotary effect/Leslie simulator pedal that accurately reproduces the classic rotating speaker effect inspired by legendary systems like the Maestro Revolver, Leslie, and the Doppolas rotary speaker. It uses analog technology with a 12AX7/ECC83 tube preamp to achieve authentic dynamics without moving mechanical parts.

Key Features

• Type: Rotary effect/Leslie simulator pedal
• Construction: Analog with a 12AX7/ECC83 tube preamp
• Controls: Speed, Level
• Switches: True Bypass, Tap Tempo
• Connections: 1/4" (6.35 mm) TS jack input; separate outputs for front and rear cabinets
• Power Supply: 12V DC, 300mA (power supply included depending on model)
• Processing: EQ filters, phase shifting, volume variation, and acoustic reflection simulation
• Separate Signals: Independent outputs for the front and rear cabinets

Measurements and Operation

• Compatibility: Electric guitars and basses
• Recommended Configuration: Integration with a two-cabinet system at 180° for maximum rotary fidelity
• Practical Controls: Speed adjustable manually or via Tap Tempo for dynamic control live or in the studio
• Robust Design: Compact and stable construction suitable for live performance and recording use

Recommended Musical Styles

• Progressive rock: Authentic rotary effects for classic textures.
• Psychedelic and experimental: Deep soundscapes with organic and dynamic modulations.
• Jazz and fusion: Smooth modulation that adds depth and movement.
• Ambient guitar: Immersive and constantly evolving soundscapes.