
Anthony Easton
The Rocktron Reaction Phaser is a classic phaser effect pedal designed for guitarists. It is built into a rugged metal slim form factor chassis, taking up minimal space on a pedalboard. The pedal features a TRUE BYPASS design, ensuring that when it is turned off, it is out of the signal path.
Key Specifications:
- Maximum Input: -7dBu
- Maximum Output: -3dBu
- Input Impedance: 470kΩ
- Output Impedance: 10kΩ
- Current Consumption: 20mA
- Power Requirements: 9V Alkaline Battery or Rocktron DC OnTap Universal
Power Supply (sold separately) with negative tip
- Dimensions: 125mm x 78mm x 61mm (5” x 3.25” x 2.5”)
- Weight: 0.7kg (1.5lbs)
The Reaction Phaser is very easy to use, with a single SPEED control knob that adjusts the speed of the modulation waveform. It can be placed at various points in the signal chain to achieve different effects, such as before or after distortion pedals, or within the effects loop of an amplifier.
The footswitch on the Reaction Phaser controls the On/Off status, indicated by an LED indicator. The pedal can be powered by a 9V Alkaline battery or the Rocktron DC OnTap Universal Power Supply.
Watch the latest video demos and reviews for the Reaction Phaser from YouTube. Stompbx updates this every six months to reflect the most popular reviewers and guitar pedal demos for each pedal.

Below are live Reverb listings for the Rocktron Reaction Phaser from Reverb. Stompbx automatically aggregates current offers to give you a quick look at available models, conditions, and prices. Perfect for comparing options and making an informed purchase.

Brand New
$95

Mint
$119.95

Very Good
$67.21

Brand New
$54.28

Brand New
$60.31

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Check out the latest news and articles from around the pedal world.

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