Cheers, DIY fellows! We are working and shipping the kits as usual. Some minor extra delays can occur (2 - 3 days) because most of us are working at home at the moment and therefor I have to drive around a lot. UPS and DHL are delivering the packages the regular way. Be safe and stay healthy! Yours, Artur Fisher.
Discrete Op-Amp Jfet Active DI Prototype
Discrete Op-Amp DI Jfet Direct Box with Output Transformer

Discrete Op-Amp Jfet Active DI Prototype

Discrete Op-Amp Active DI - the First Test Today we've tested a couple of newly assembled Active DI prototypes with practicing musicians and some curios listeners. This Active DI Box is a discrete op-amp based device with transformer-coupled output and Jfet input stage. We've started experimenting with the idea few months ago and development took some time.…

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