OPA "Alice" Handheld Microphone
Based on Jules Rykebushs Dual OPA "Alice" Microphone Circuit - a PCB fitting in some handheld microphone bodies.
Jules project:
Dual OPA "Alice" Microphone Circuit - Share Project - PCBWay
TSB2555 capsule:
JLI-2555BXZ3-GP - JLI Electronics
TSB2555 capsule holder for AKG D5, print it with TPU filament:
Capsule Holder (for AKG D5) by MicScharf - Thingiverse
TSB2555 capsule holder for KMS 105 Clones, print it with TPU filament:
Capsule Holder (for KMS 105 Clone) by MicScharf - Thingiverse
TSB2555 capsule holder for Shure SM58, print it with TPU filament:
Capsule Holder (for SM58) by MicScharf - Thingiverse
for some SM58 bodies you have to file the PCB like this:

OPA "Alice" Handheld Microphone
*PCBWay community is a sharing platform. We are not responsible for any design issues and parameter issues (board thickness, surface finish, etc.) you choose.
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Robert Rafai
Aug 27,2025
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Engineer
Jun 24,2025
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Larry Jelley
Mar 29,2025
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Engineer
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Bruce Alvarez
Jul 02,2023
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eryck
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olivier
Apr 22,2022
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