Jul 20, 2011 · EF86 with morph control in PP gigging amp (finished) « on: June 22, 2011, 10:52:51 am » So much did I enjoy the EF86/morph control in the SE amp that I built a couple …

Apr 20, 2011 · Try your EF86 then. You'll have a little less than half the gain, but that should be adequate with your sources. With an appropriate operating point, the EF 86 will have at least …

Jun 2, 2019 · The EF86 sounds quite good, but in triode is still giving me roughly 25db (i've also read 30db) of gain. Would something like a 12B4a be a good choice here? Any thoughts or …

Jun 22, 2011 · So much did I enjoy the EF86/morph control in the SE amp that I built a couple of months back, that I thought I'd take the same concept into more powerful gigging amp. …

Dec 3, 2005 · I started out looking to build a simple 15W triode / 30W Class AB1 pentode PP amplifer. I seem to have found mostly EL34 ckts and am confused as to which I should use. 1. …

Mar 23, 2006 · Have a look at the tables on pp. 2&3 in the EF86 datasheet for component values at different supply voltages etc. There's even a table for using EF86 in triode mode which is …

Jan 25, 2021 · If microphonics is a concern (and it isn’t unusual for small signal pentodes), then designing EF86 preamp stages with lower gain (e.g for a gain of 100 instead of 200), can …

Feb 5, 2011 · EF86 with morph control in PP gigging amp Building a better world (one tube amp at a time) "I have never had to invoke a formula to fight oscillation in a guitar amp."-

Jan 13, 2018 · Then I re-designed and modified it into what you are wanting: EF86 > CF > EL84 while still using the tube 6X4 recto. It's a great sounding amp! I put a switch on the CF stage to …

Jul 5, 2020 · i think we have discussed on big diyaudio about 800 ohm Philips speakers and use of Philips Bombardon AD5201s speaker! i still didnt make anything from them but there is …