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Bob Carver Going Direct.
For years Bob was a Solid State guy. What turned him on to tubes???   David Hafler may have influenced him and taught him how to wind transformers.      
Question about Class A
I believe the krell amp has a fan and ibais which makes it run cool and it only uses a lot of electricity if it is being driven hard.  
Bought powerful/expensive Amp+Speakers but plan to use an old preamp , am I crazy?
I would try the NAD, but I would not expect great sound. I tried using my Adcom preamp with my krell amp and it sounded horrible, bought a new preamp and now I have great sound.  
Question about Bi-Wiring
My apogee duetta 2's definitely sound better biwiring, even with inexpensive wire. Using thin stranded wire on the bass foil and thick stranded wire on the mid-range tweeters seems to work best.  
Preamp Deal of the Century
+1 for Andy at vintage tube services,  you have to call him because he is old school,  but he has the best tubes.  
Strange ticking noise when amps were powered on from cold
Sounds like a relay, but that's just a guess.  
Peeking inside a Carver Crimson 275 Tube Amplifier
I just looked up Bob Carver's net worth on the net, $39.3 million.  Just a bit of information to add to the mix.     I wonder how accurate that is, because I looked it up about 2 years ago and it was 8 million at that time.  
Audio research and krell
I believe krell added that jumper during the production of the ksa 250, because a certain model BAT preamp was causing DC issues, not all BAT models were a problem just one model if I remember right.  
Audio research and krell
There was a certain BAT tube preamp that had a problem and was putting out DC into amps. I've been running a tube preamp into a krell ksa300s for about 5 years now with no problems.  
Anyone try modern 6sn7 Shuguang WE type vs NOS RCA,Ken Rad
   
Anyone try modern 6sn7 Shuguang WE type vs NOS RCA,Ken Rad
This would clear up any issues and I’d be happy to shut up and buy some should they be 600mA   They are 600ma, the only thing you have to be concerned with is if your tube sockets are to close together they might not fit as the glass envelope is... 
Anyone try modern 6sn7 Shuguang WE type vs NOS RCA,Ken Rad
That is blatant misinformation. It has to be also deliberate as you have clearly read the quote I provided which mentions Mullard (drawing 950mA, by the way). Care to explain to the community? You must have read my post wrong, I acknowledged tha... 
Anyone try modern 6sn7 Shuguang WE type vs NOS RCA,Ken Rad
The shuguang CV 181 tubes are a 6sn7 drop in replacement, the Mullard cv181 tubes are not they have a higher heater current of 900ma.  
Weakest digital link: DAC - Streamer - Server?
I've heard amps like that in plenty of systems, rooms and different speakers, they all sound bad to me.  
Weakest digital link: DAC - Streamer - Server?
No, the speaker tends to interfere with that, but many come very close. I encourage you to take some amplifiers that identified as such and see if you can tell them apart without looking.     No thanks, those kind of amps tend to give me a head...