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I have to say that when I compare my valve and S/S amps on the scope, the valve amps don't look that great - but I much prefer the presentation. I think if I were still into metal, I would have retained S/S. These days, its mostly blues, jazz, female vocal. Sounds better, even if the scope tells...

Hi Cubic, Dunno where you live, but down here in CT, the only place I know of is Yebo, and there is some work to do to get them to sound reasonable! Otherwise off to Madisound. Gimmel, could you give more detailed impressions of the Frugalhorn please? That was on my list, but eventually built...

Hi Atjan, Have a look through this lot, Could be that FRD sound will suit your taste, and these designs are well tested, and my experience is good; http://www.fostexinternational.com/docs/speaker_components/recommended_enclosures.shtml

I have just read or reread all of the above material. Mostly served to remind me why I didn't opt for "no compromise" horns up front. I will still continue with this as a backburner project - thanks for the new sources!

Just got back from reading King and Dominique in detail. My suggestion is still Dinsdale for a grounding..... I like Dominique's design Aestheically, a return to Dinsdale/King will give some idea of the likely effect of the the short path and relatively small mouth. I would have an...

I am so happy to see a horn topic - didn't think there was much interest - thanks for that! Strongly recommend a 3-part article by Dinsdale as a starting point http://www.volvotreter.de/dl-section.htm That gives an overview of the theory, and some ideas for possible incarnations. Quickly...

All that stuff, but no "proper" horns? I'm afraid he still has one more step to take!

Rudi, That sounds like the voice of experience speaking!

OK, one B200 and two 15" Alphas per baffle, Tri-Amped. Well that guy sure solved the acoustic coupling problem! Bet That makes the room shake. Steve, I think it is cool that guys are doing all this suff, and chatting away, and reinforcing one another along the way, I will keep an eye on it...

I am in need of enlightenment! I have been following ColdGlassEye's topic, and now Steves, on a similar project. I stopped chirping on ColdGlassEye's topic, because I realised that I just didn't understand what was going on. So I did some research on the B200 and OB, and I still don't get it, so...

I would say very worth restoring - Items like that command quite a high price, if you can find one to buy. If water damage, could be a labour of love however....

A man who winds iron, AND so near by! I don't suppose you do OPT's?

Hi Mars, Who winds your transformers?

@handsome - Your points on resistors are noted. I have been finding out some of this stuff for myself, albeit slowly, and over a period of time! Sometimes wish my Dad was still around - he built a Williamson in 1949, and was a telecoms engineer by trade, he knew all about valve circuitry. I have...

Does the XTZ have the output that convinces your wife that the room needs to be reorganised, or is that what the Pro version is for?

OK, well that has given me some ideas to start from - many thanks! Any thoughts on DAC's?

Someone else who has done almost exactly the same thing is Winders. He has 76's for preamp and CF, 2 X VR150 etc, he had a lot of input into my design, in fact without his assistance, hard to say where this would have ended up! I used stoppers on my first (RC coupled) preamp, 1K grid stopper...

I keep having to stop myself from typing "Hi handsome...", my wife may see this forum! Those 5W droppers have come down in value from 5k5 to their current 3470 ohms. So total current is now 20mA, the preamp itself draws 10.4mA, so around 10 going through the glow tubes. Much heat was generated...

Hi all, My next project will be to move CD's etc to a database with a handset to control (like the Logitech, or similar). What I will need is a high grade DAC, which naturally, I would want to build. Surfing around, I see a few kits on offer. Can anyone share ideas/experience with DIY DAC's...

Ok, Tried 100k instead of 1M for the volume control, happened to have some high quality pots of that value in the w/shop. Can't say its made much of a difference, at least to me. I am 57, and have been a sport pilot for most of my adult life, so my hearing isn't that great above 12kHz - I sort...