
Anthony Easton
The Vahlbruch 6-PHI-4 Phaser is a boutique analog multi-stage phaser pedal designed to deliver a wide range of vintage and modern phasing sounds with precise control. Here are the technical specifications and features:
- Effect Type: Phaser
- Technology: Analog
- Special Features: MagTraB Foot Switch
- Mono / Stereo: Mono In, Mono Out
- Controls: Speed, Volume, Intensity
- Modes: 2 Modes (Toggle switch to select 4 or 6 stage phasing sounds)
- Switches: Stages
- Bypass Mode: True bypass
- Input Impedance: 1M Ohms
- Output Impedance: 100 Ohms
- Power Supply: 9 VDC, Center negative (External regulated 9V power supply
required, not included)
- Power Consumption: 40 mA
- Battery powered: Does not run on Battery power
- Housing size: Standard
- Dimensions: 115mm x 70mm x 48mm
- Weight: 240g
- Country of Origin: Germany
- Handmade in Germany
- Suitable for Acoustic Guitar and Bass
- Boutique Effect
The pedal features a unique Magnetic Transducer Button "MagTraB" switching technology, providing smooth and silent switching with an almost infinite number of switching cycles. It offers a carefully matched set of 4 or 6 new- old-stock 2N5952 transistors for deep and homogeneous modulation with low background noise. The "Speed" and "Intensity" knobs offer a wide range of phasing sounds, while the "Volume" control adjusts the output volume and can also boost the output. An LED indicates the modulation rate.
The Vahlbruch 6-PHI-4 Phaser is known for its transparent and organic tone, expanding the tonal range into Univibe and Leslie territory. It is a versatile pedal suitable for various musical applications, providing precise control over phasing effects.
Watch the latest video demos and reviews for the 6 PHI 4 Phaser from YouTube. Stompbx updates this every six months to reflect the most popular reviewers and guitar pedal demos for each pedal.

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Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton