Monthly Archives: December 2017

Phantom Piezo Preamp – new version available

Updated 1st December 2019 Updated 10 May 2018 Updated 1 June 2018 December 2019. Time moves on and the PF5102 has been discontinued by On-Semiconductor and is nearly unobtainium. It looks like the J111/J112/J113 are the only TO-92 JFETS suitable for our purposes. We are currently sampling the J113. Some Piezo Preamps will be shipped… Read More »