n_maher

Kevin, I think that the 278X is a single primary, not a universal.

Hmmmm, 6 tubes on the amp section... we could run [2] 6SN7 input tubes and use a quad of 6AS7/6080/5998s on the outputs and turn this f'er into the uber balanced Menace. Lord save us for the PS that it would need but you just might have room in that hulking chassis for it...

I know some of the build team have the resources and knowledge to do it, I was just pointing it out to those that might not. Carry on.

Part of what makes gives the Extreme the potential to sound good is running the 6080/6AS7 in parallel on the output, OTL's with a single tube are not going to perform well into low ohm loads in my experience. And of course none of them run the output tubes as hard as I do in the Menace.

Aren't you going to need a 4-wire meter to match the 2ohm resistors?

Where is this post?

I'd be shocked if there was a distinct audible difference between the two supplies. Both are exceptionally low ripple and well designed.

Regina Spektor - Far Upon careful listening I think I'm hearing just a touch of distortion in the L channel on some songs but I'm doing my best to just ignore it. Sounds pretty damn good on Mr. Menace, that's for sure.

There's little doubt that I have "special needs" but thankfully not in the computer department.

I don't think it was a very wise to choice to use the chassis, and only the bottom panel at that, as the heat sink for the power supply.

Regina Spektor Hears Magic In The Inexplicable : NPR Music This will take you to NPR's Morning Edition interview with Regina Spektor from this morning, just click "Listen Now".

Donald, when it comes to gain switches I think Young (socrates63) is referring to amplifiers that either through the use of series resistance on the output or resistors within the circuit manipulate the perceived gain of the amplifier. With the first example there are obvious downsides and pitfalls but lots of solid state designs are able to change the gain stage on the fly without adversely affecting performance. In my experience this is pretty difficult to do with tube amps short of adding a simple voltage divider (or similar) to the input section. For commercial examples have a look at Headamp and Headroom, both of whom offer gain switches for most of their products.

Pretty sure (99%) that the Zobel is on the e22 backplane board on Torpedo's amp.

Head-Fi: Covering Headphones, Earphones and Portable Audio - View Profile: les_garten Maybe?

I beg to differ, double blind testing of this at a recent meet does not support your statement.

I most certainly did not build Smeggy's amp. My opinion of the driving the Stax box with a beta22, do so at your own risk. My understanding is that it requires the amp to be run quite hard and as Mark said may include a significant inductive load which even with a Zobel may cause the amp to misbehave. And when it does, well, look out.

Happy Birthday!

Lord knows why, but it's been done.

Highly unlikely. Me = some random parts from Parts Express. Hopefully later today = 3 custom wound Electraprint Trafos

I've heard some bellyaching online about Far being too commercial. F me, I think it's fantastic and boofrigityhoo if it actually gets some radio play and she doesn't have to be a niche artist anymore. It's fun as hell to listen to. And the previews that I heard had pretty horrid production and I was worried but now having heard the actual album I can say it's worlds better and perfectly listenable.

I just hope it works for all versions of Vista.

Not to mention that he can invoke sibilance with the use of different a power cord.

There is no current, commercially available amplifier that uses a similar tube compliment in an OTL topology. Used examples would include the Eddie Current HD300 and Wheatfield HA-2 but I sincerely doubt you'll have much luck finding either and both are really only suitable for high-impedance headphones. At least that's all the comes to mind. The closest thing really is the Woo WA22 which is still a trafo-coupled design and may not be to your liking.

Ugh, teach me to post while working on a deadline. Massive fail in that post there was. This begs the question, what's the amp tube compliment for this thing? I honestly don't know.

Oh mama. For those unfamiliar.