
Anthony Easton
The Blackout Effectors Sibling Analog OTA Phaser is a 3-stage phaser pedal featuring an Analog OTA (Operational Transconductance Amplifier) for vintage phaser effects. It offers a 2-way slow/fast mode toggle, allowing for a range of phaser cycles from slow to quick. The pedal includes controls for rate, depth, and level, providing a wide range of phasing effects from subtle to forceful. The Sibling is designed for true bypass and operates on 9vDC or 18vDC for greater headroom and definition.
Technical Specifications:
- 9V-18V operation with negative center supply and 2.1mm plug (top mounted)
- Mono input/output jacks (side mounted)
- Rate, Depth, Level controls
- 200 mA current draw
- Dimensions: 4.75″ tall x 2.75″ wide; 2.5″ height
- Handmade in Asheville, NC, USA
- True bypass switching
The Sibling Analog OTA Phaser is known for its compact size and set-and-forget functionality compared to the larger Whetstone Phaser, making it a versatile and practical addition to any pedalboard.
Watch the latest video demos and reviews for the Sibling Analog 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