video upload by ST Modular (Stefan)
"Rattlecore is a compact, high-gain piezo preamp PCB with an integrated high-pass filter. It is designed for DIY noise boxes, contact microphones, and experimental sound sources.
In this video, I briefly demonstrate a DIY wooden enclosure with installed metal parts that houses the Rattlecore PCB and can be played as a sound source.
More info: st-modular.de
00:00 Chapter 1
00:32 Chapter 2
01:29 Chapter 3
03:15 Chapter 4
04:23 Chapter 5"
key features
High-quality OPA1656-based preamp
Adjustable gain from +10 dB up to +50 dB
Integrated high-pass filter (47 Hz – 4.8 kHz)
Optimized for piezo contact microphones
Clean virtual ground via TLE2426 rail splitter
Onboard power LED
Protection diodes on input
Compact PCB for easy enclosure builds
Designed for 9V DC operation (battery or DC)
Soft grounding option for enclosure
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