

The Whetstone by Blackout Effectors is an analog phaser pedal that offers a vintage sound with contemporary parameters. It features a range of classic and unique phase tones, including slow phaser cycles, pitch vibrato, ring mod, octave effects, and hybrid phased/auto wah/tremolo sounds. The pedal provides a tweaker's paradise with various speed ranges and toggle options for customization.
Technical specifications include:
- 9V-18V operation with a negative center supply and 2.1mm plug required
(top-mounted)
- Mono input/output jacks (side-mounted)
- Feedback, Rate, Depth, Level, and Range controls
- Toggles for 2/4 stage, vibrato/phased, asymmetric/symmetric, low pass/all
pass, shallow/wide
- Internal trim pot for adjusting output gain of Level control
- 200 mA current draw
- True bypass switching
- Handmade in Asheville, NC, USA
The pedal also offers a manual mode that provides detailed information on the various controls and settings, allowing for a wide range of modulation tones and effects.
Watch the latest video demos and reviews for the Whetstone 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 Blackout Effectors Whetstone 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.
Very Good
$200
Excellent
$190
Very Good
$326.91
Very Good
$200
Browse through eBay listings for the Whetstone compiled in real-time. From vintage finds to brand-new units, see a variety of purchasing options. This automated collection helps you explore deals and find the right pedal at the right price.
Used
$200.00
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