1590BB
Active1590BB Cast Aluminum Enclosure (Guitar Pedal)
Hammond 1590BB — the most common guitar effects pedal enclosure.
Common Applications
Not a button per se, but the enclosure that houses the stomp switch in guitar effects pedals. The 1590BB (120x95x34mm) is THE standard enclosure for DIY and boutique guitar pedals. Every guitarist steps on a footswitch housed in one of these. The cast aluminum construction survives being stomped thousands of times. Paired with 3PDT stomp switches.
Specifications
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Color
Button/actuator color. Green = start/go, Red = stop/emergency, Yellow = caution, Blue = reset (per IEC 60204-1).
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Raw aluminum (paintable)
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Material
The bezel/body material. Metal bezels are more durable in harsh environments. Plastic is lighter and cheaper.
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Die-cast aluminum
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Installation Quick Reference
Panel cutout: 22mm. Insert from the front of the panel, secure with mounting nut from behind (tighten to 2-3 Nm).
Contact block: Snap or screw the contact block onto the rear of the button body. Ensure the contact block orientation matches the wiring diagram — NO terminals are usually marked.
Wiring: Use 0.5-2.5mm² stranded wire with ferrules. Tighten screw terminals to 0.8 Nm. Test the button function before energizing the circuit.
Dimensions
Troubleshooting
Button doesn't respond when pressed
Check the contact block first — it's the most common failure point. Test continuity across the NO or NC terminals with a multimeter. If no click is felt, the return spring in the head may be broken.
Works intermittently
Contact block contacts are pitted or burned. Replace the contact block — don't try to file the contacts. Check if the rated cycle count has been exceeded.
Button feels mushy or doesn't click
The spring return mechanism in the button head is worn. Replace the head. The contact block can usually be reused if it tests OK.
Where to Buy
Price range
$64.59 — $228.25
across 2 distributors
Quick Specs
- Color
- Raw aluminum (paintable)
- Material
- Die-cast aluminum
What People Are Saying
“Not a button per se, but the enclosure that houses the stomp switch in guitar effects pedals. The 1590BB (120x95x34mm) is THE standard enclosure for DIY and boutique guitar pedals. Every guitarist ste”