Restore the classic pulsing tremolo in your vintage Fender amp with this Vibrato LDR Optocoupler, often nicknamed the "roach." This component is essential for reviving the optical-style vibrato circuit used in many blackface and silverface Fender® amps, as well as compatible models from other builders.

Whether your tremolo has gone dead or weak, this drop-in replacement brings the wobble back—no mods required.

Key Features:

• Direct replacement for Fender®-style LDR tremolo switches

• Neon lamp optocoupler (a.k.a. "roach")

• Non-polarized optical side marked with silver dot and longer leads

• Resistive side indicated by slightly shorter leads

• Compact and easy to install in original circuit position

Specifications:

• Type: Vibrato LDR optocoupler

• Common Name: Roach

• Length: 1.295 in.

• Width: 0.347 in.

• Packaging Dimensions: 1.3 × 0.4 × 0.4 in.

• Weight (with packaging): 0.0044 lbs

Compatibility:

• Fender® blackface and silverface amps with LDR-style tremolo circuits

• Other vintage amps using neon/LDR opto modules

Don’t let a dead roach kill your vibe—restore your amp’s tremolo with a replacement LDR optocoupler from British Audio today.