ALPHA-9MM-SW
ActiveAlpha 9mm Soft-Touch Momentary Switch
Alpha 9mm soft-touch momentary — the standard for relay bypass pedals.
Common Applications
The small momentary switch used in relay bypass guitar pedals. Requires much less force than 3PDT — a light tap activates. Silent compared to 3PDT click. Used with relay bypass PCBs for boutique pedals. Found in Strymon, Chase Bliss, Walrus Audio, and most premium pedal brands.
Specifications
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Actuator Function
Momentary = springs back when released. Maintained/latching = stays pressed until pressed again.
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Momentary (for relay bypass)
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Contact Configuration
The electrical switching arrangement.
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SPST momentary
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Mechanical Life
How many press cycles before mechanical failure. Higher is better — 10M cycles at 100 presses/day = 274 years.
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1,000,000 cycles
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Mounting Type
How the button attaches to the panel. Panel mount is standard — installs through a cutout from the front.
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Panel mount (9mm hole)
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Installation Quick Reference
Panel cutout: 22mm. Standard panel mounting — insert from front, secure from behind.
Dimensions
Wiring Diagram
Troubleshooting
Not responding to input
Check wiring continuity with a multimeter. Verify the contact block is properly seated. Inspect terminals for loose connections.
Where to Buy
Price range
$162.93 — $238.13
across 2 distributors
Quick Specs
- Actuator Function
- Momentary (for relay bypass)
- Contact Configuration
- SPST momentary
- Mechanical Life
- 1,000,000 cycles
- Mounting Type
- Panel mount (9mm hole)
What People Are Saying
“The small momentary switch used in relay bypass guitar pedals. Requires much less force than 3PDT — a light tap activates. Silent compared to 3PDT click. Used with relay bypass PCBs for boutique pedal”