Search found 10544 matches

by Cressy Snr
Sat Nov 17, 2007 4:51 pm
Forum: New Users
Topic: Just joined
Replies: 5
Views: 5866

Hi John and welcome.

Steve
by Cressy Snr
Sat Nov 17, 2007 3:53 pm
Forum: Speakers
Topic: DTB vs DIY MLTL
Replies: 451
Views: 195790

Hi Dave
If your finished ones sound as good as Scott's did at Steve's, then you'll be very happy with them. Good luck with the build.

Steve.
by Cressy Snr
Sat Nov 17, 2007 12:44 pm
Forum: Everyones Projects
Topic: 6AS7 Push Pull
Replies: 261
Views: 164020

Hi everyone, After sorting out the grid resistors on the 6SL7 differential voltage amplifiers and replacing with the correct values, I found that I now had too much gain. Useable range on the volume stepper was only half the rotation before I was being deafened. OK the sound was better than it had b...
by Cressy Snr
Fri Nov 16, 2007 10:13 am
Forum: Everyones Projects
Topic: Paradise regained
Replies: 18
Views: 12134

andrew Ivimey wrote: And if there is a tad of 2nd harmonics, Steve, well maybe I've cracked it. SE sound for careless PP peanuts! ahahahahahahaha! . yeah right.

:D :D :D :D
by Cressy Snr
Thu Nov 15, 2007 10:45 pm
Forum: Everyones Projects
Topic: Paradise regained
Replies: 18
Views: 12134

One possible idea for why all my little amps recently have sounded so good is that I have cloth ears and they are all mediocre. Could this be true!? horror. Wouldn't have thought so Andrew. You've built enough amps by now to know crap sound when you hear it. :D As for it being horribly out of balan...
by Cressy Snr
Thu Nov 15, 2007 9:27 pm
Forum: Everyones Projects
Topic: Paradise regained
Replies: 18
Views: 12134

Re: Paradise regained

But, and this is the point of all this happy rambling. How on earth is such a system balanced, let alone works. And, as it works and actually sounds prettty good, why all this Williamson this, Quad that and ... well pretty much every valve push pull amp in the world ??????? anyway, I'd value your t...
by Cressy Snr
Mon Nov 12, 2007 2:08 pm
Forum: Everyones Projects
Topic: 6AS7 Push Pull
Replies: 261
Views: 164020

Hi Paul I like playing about with PP because basically I am gaining a bit more experience with basic valve circuits by going down this avenue. Once I have got it out of my system I might go back to SE. Maybe I won't, who knows? Once I had got the system back in its home environment and sorted the hu...
by Cressy Snr
Mon Nov 12, 2007 12:31 pm
Forum: Everyones Projects
Topic: 6AS7 Push Pull
Replies: 261
Views: 164020

Yes. It's a bit cold down in my cellar workshop but I'm not working today, so I can play in the front room as long as I have cleared up the mess before the wife gets home. 6AS7s are notorious for being unbalanced and ideally ought to have a CCS in the tail of the output pair to force them into line....
by Cressy Snr
Mon Nov 12, 2007 10:25 am
Forum: Everyones Projects
Topic: 6AS7 Push Pull
Replies: 261
Views: 164020

For all I know, push-pull might be one of those "rites of passage" things that you have to go through, then abandon and go back to the one true way represented by the single-ended triode. I nearly fell off the wagon on Saturday at Steve's place. Simon's C3g driven 45 amp sounded excellent...
by Cressy Snr
Sun Nov 11, 2007 11:23 am
Forum: Assorted Stuff
Topic: Radio Designer's Handbook
Replies: 5
Views: 5696

Hi Andrew

It's all on Pete Milletts site.
I downloaded it from there along with RDH 3. This one is a bity easier ti digest as it lacks a lot of the maths found in RDH4.
Gilbert Briggs is there too.

http://www.pmillett.com/technical_books_online.htm

Steve
by Cressy Snr
Sun Nov 11, 2007 10:02 am
Forum: Assorted Stuff
Topic: this saturday
Replies: 65
Views: 32469

Hi Steve Thanks for hosting a great day out. It was great to her everyones gear. The standard keeps increasing. Because of these meets we get to hear how other people's equipment sounds and compares to our own. Simon's 45 amp driving my Metronomes was really rather good. I'd always thought they woul...
by Cressy Snr
Fri Nov 09, 2007 11:15 am
Forum: New Users
Topic: I hope its not fancy dress
Replies: 10
Views: 8659

Hi Ian and welcome. Yes it's true that most of us on here know each other but only two years ago I didn't even know there was a DIY valve scene going at all. Very scary when I first saw what they were all talking about and the strange terms they were all using. But we are all supportive on here and ...
by Cressy Snr
Tue Nov 06, 2007 1:26 pm
Forum: CD
Topic: Computer Audio
Replies: 363
Views: 199845

Hi Ed I didn't think for one moment you were trolling :wink: It was prudent however to take the opportunity to preach the backup religion (again) Re Saturday, I don't have the preamp now as I raided the switched attenuator out of it to build the push pull amp. I could easily rig up an output from th...
by Cressy Snr
Tue Nov 06, 2007 10:50 am
Forum: CD
Topic: Computer Audio
Replies: 363
Views: 199845

In fact this was the easiest, smoothest OS upgrade I've ever done on a Mac. No issues with drivers or third party software on my system at least. Apple and it's developer community clearly did their homework with this one. There has been an improvement in sound quality with the upgrade too. Apple h...
by Cressy Snr
Mon Nov 05, 2007 3:22 pm
Forum: Everyones Projects
Topic: 6AS7 Push Pull
Replies: 261
Views: 164020

i dont know about that steve.. i just do that ....but keep it really simple any way..half decent does me steve Now then Steve I know you don't just chuck stuff together :wink: Trouble with push-pull amps is that it is nigh on impossible to keep them simple if you use the usual pentode output stage ...