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In Reply to: RE: Three questions, if you will, please posted by Salectric on January 01, 2015 at 15:46:25
I have an Emotive Audio Erato preamp, 27's w/ 6SN7 CF, in one system, and DIY 37>6j5>VT25 power amps in my main system. That's why I am interested in this amp.
Follow Ups:
Like you I had an Erato for a while and enjoyed it very much. That led to Fred Volz building me a 12B4 preamp and later some Vita power amps. The 12B4 preamp and power amps are still in my system and will hopefully continue to be my everyday electronics for quite a while.
I think I'm going on 11 years with my Epifania and 9 years with my Vitas. Fred has done a few changes. The V Caps and auto-former volume control are a must.
Great minds thing alike. I used the 12B4A in my full function preamp that replaced my Sira LE. I am now using an E80CC line stage that I like very much but would love another 12B4A line stage just to have.
~!
The Mind has No Firewall~ U.S. Army War College.
12B4 and 12A4 are nice!
---Dennis---
I will check my files when I get back to work. I used to own an Erato also and then the Sira. I like Fred Volz, I ended up with a 12B4A line stage because of his work on preamps. I used the 27 and 12B4A after being tipped off to those by Fred Volz. You don't see Fred and his father on this board hawking their ideas like someone else we know. BTW, the philco STs are very good as are some of the mesh ST. The globes were just too microphonic for me.
I appreciate you looking for the schematic. I currently use a Sira in my main system with the VT25 amps, that is until I get around to building a version of Thomas Mayer's 10y pre that I have collected all the parts for.. Fred's a real standup guy. My wife is from a small town near State College PA, so I have met with Fred on several occasions.
Thanks again.
Fred is excellent. Actually, he worked with James Burgess on a pair of amps that James built for a guy a few years back (based on Fred's design). James gave Fred some suggestions on his power supply and circuit that Fred incorporated into his amps. I really like my 801A. If you have any interest, put some teflon caps in the Sira, if they don't already have them.
I would love to recap w/ VH Teflons, but then I would never get off my but and build the Mayer 10Y.
As you know Fred, are you in the mid Atlantic?
I agree with the Teflon output cap suggestion. The 12B4 preamp Fred built for me has V-Cap TFTF caps on the output (a pair of 2uf for each channel).
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