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Started by jfetter, December 23, 2011, 12:50:48 PM
Quote from: jfetter on December 29, 2011, 09:24:39 PMOnly plans are a pedal or head, maybe a combo. (I want to have something ready for production when the cheap imports go away).
Quote from: jfetter on December 30, 2011, 03:36:41 PMI!m bettin devaluation of usd very soon. Getting speakers will be a problem so a head is probably the way to go.
Quote from: jfetter on April 09, 2020, 03:30:16 PMMy last entry on this thread was 2011. So and update is in order. I retired ( if that even exists) in 2015 and although love the signal processors, have gone all analog target designs.My 100% push since 2016 has been low voltage tube-ss hybrids.I generally use the tube in fb loop with op-amp and have learned a lot along the way.Pentodes and triodes work just fine at 30v potential (+-15VDC). No positive grid drive is used.My test equipment is upgraded now with Motu M4 for spectra analysis. New scope and linear bench power supplies too.For power amp I use the tpa3118 almost 100%.Maybe one day re-visit the dspic32 but having too much fun all analog.Hot on to do list is re-visit Germanium. Maybe an all discrete tube-Germanium hybrid will materialize.-cheers