Pars Posted March 6, 2019 Report Share Posted March 6, 2019 I could probably be into trying one of those with my orthos. See if it can unseat the DynaFET...Sent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
jose Posted March 6, 2019 Report Share Posted March 6, 2019 1 hour ago, Pars said: I could probably be into trying one of those with my orthos. See if it can unseat the DynaFET... Sent from my iPhone using Tapatalk I have my doubts about that ... However, the interesting thing (for me) is to try it. Quote Link to comment Share on other sites More sharing options...
sbelyo Posted March 29, 2019 Report Share Posted March 29, 2019 anyone have a pair of these boards? Quote Link to comment Share on other sites More sharing options...
jose Posted April 5, 2019 Report Share Posted April 5, 2019 (edited) First, thanks to Dr. Gilmore and Soren! My amp is working and everything is OK. It's perfect with low impedance and miserable sensitivity headphones. B: +/- 29Vdc ~2.1/50=41mA (L) 43.2mA (R) ~2.2/562=3.7mA (L) 3.9mA (R) Voltages are a bit lower than Congo5 but I think it´s correct. I start working on the chasis now. I´ll install a switch to select the gain as I did in the SquareWave. P.S. I know I have to put a photo to fulfill my part of the deal. I'll place it this weekend. ? Edited April 5, 2019 by jose 3 Quote Link to comment Share on other sites More sharing options...
jose Posted April 6, 2019 Report Share Posted April 6, 2019 After 1 hour voltage on 562r fall to 1.9Vdc. Quote Link to comment Share on other sites More sharing options...
samsie Posted April 14, 2019 Report Share Posted April 14, 2019 (edited) This was completed an hour ago. It worked though I did not do any measurement. I tried it with my only planar Hifiman HE6. The volume was a dummy. I used a preamp. I could not afford a decent volume control for individual headamps. Edited April 15, 2019 by samsie 3 Quote Link to comment Share on other sites More sharing options...
A_Zero Posted April 15, 2019 Report Share Posted April 15, 2019 Could anyone repost the schematics? Have never been able to visit gilmore's website... Quote Link to comment Share on other sites More sharing options...
jose Posted April 15, 2019 Report Share Posted April 15, 2019 Find "currentsource" here I´m working on a F2J. It will be very interesting. I had not had any experience with this type of amplifier until now. I don´t think that it´s a "definitive amplifier" (I'm in love with the balanced Dynahi) but as an alternative it's not bad for the planars. Quote Link to comment Share on other sites More sharing options...
A_Zero Posted April 15, 2019 Report Share Posted April 15, 2019 9 minutes ago, jose said: Find "currentsource" here I´m working on a F2J. It will be very interesting. I had not had any experience with this type of amplifier until now. I don´t think that it´s a "definitive amplifier" (I'm in love with the balanced Dynahi) but as an alternative it's not bad for the planars. Thank you very much sir, thats one big treasure of schematics Quote Link to comment Share on other sites More sharing options...
jose Posted April 15, 2019 Report Share Posted April 15, 2019 Just now, A_Zero said: Thank you very much sir, thats one big treasure of schematics You have to thank Dr. Gilmore and everyone who has worked on it. Quote Link to comment Share on other sites More sharing options...
jose Posted April 17, 2019 Report Share Posted April 17, 2019 On 2/29/2016 at 10:39 AM, wink said: More realistically 2.27/35 = 0.0649A = 64.9mA. Please guys, could you explain this to me? I understand that 2.27volt. goes through 50r. Why replace it with the impedance of the headset? Gain selector is quite a hit. I'm enjoying it enough!!! F2J and the KG Transconductance Amp have a very similar behavior; they shine with impedances between 30r to 75r from there they lose a lot. Quote Link to comment Share on other sites More sharing options...
jose Posted June 6, 2019 Report Share Posted June 6, 2019 I forget to hang some photos of this amplifier.Sorry, I did not have any GRLV at that time ready. 6 Quote Link to comment Share on other sites More sharing options...
somerset Posted August 26, 2022 Report Share Posted August 26, 2022 I came across this amp and I'm wondering if this can run a pair of fullrange fostex horns (96db and 8 ohms min). Apparently they thrive being current driven and aside from Pass F1/2, pickings are really slim. As my Chord Mojo2 can run them quite appreciably loud (from a battery no less). I'm looking at headphone amps.. Any advice appreciated! Quote Link to comment Share on other sites More sharing options...
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