Piezo Preamps and Transformers

I’ve been primarily using Triton Audio’s BigAmp Piezo preamps for piezo-based contact mic and hydrophone recording for years now. I previously used Hosa MIT-129 impedance matching transformers for the job, but I found that the BigAmp Piezos yielded me a better low frequency response thanks to the higher impedance. The Hosa MIT-129 hs a 50 … Read more Piezo Preamps and Transformers