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RE: DAC 2.1 Level C with C-core output transformers

Posted by DRCope (P) on March 5, 2009 at 12:39:20

In Reply to: RE: DAC 2.1 Level C with C-core output transformers posted by xaudiomanx on March 5, 2009 at 11:48:41:

>Just because they wrote it's gospel. I guess I'll have to go with as well. I as well, deal with what >I think to be top of the liners but at the end of the day I make my evaluations with my ears.
Hence the invite to come hear with your own ears. At the risk of boring everyone here to death, there aren't many people doing transformer research, so who would you like to have write about it?

>I was at one time a cool aid drinker myself but since I found out how bad cool aid was for >your health I started drinking water. Yup! Just plain water. It works for me.
And this is relevant how?

>Give me a break with these audio rooms. Been there, done that! They put the best of the best >they have to offer and then add on to that as well. I know! Turn down the lights as well! Been >there, done that also! Hey! We're listening to a movie without the video. That is not the norm. >If it all works together take out one component and substitute for say something of another >brand. That is the norm more than not. But I think we are getting off the track here.
You're right. Silly me. Who listens in rooms? Movies? video? What? Normally we only bring the best of the best to Milan and sometimes THE Show and we generally have two rooms of vastly different levels at each. For smaller shows, we demo more modest stuff. This year at
AKFest it'll mostly be the new Zero Level stuff, which is as modest as it gets. We almost never sub anything during a show. My invitation for you to bring your DAC is a very rare thing. Well, one of us certainly is getting off track.

>Bye the way, those test results is not under actual operating conditions. It's like a 2 cylinder >car that hit 150 MPH for a split second downhill. Now they can claim it hits 150MPH. You drive >cars(I assume). Did you really ever get the mileage on the window sticker as offered by the car >company?
I don't know the test conditions, nor do you. An order of magnitude/3+ octaves beyond audibility directions is fairly amazing.

>I know I can't hear in the range of its limitations but going full out gives the prior frequencies >the ability be heard better.
Again, holy crud this is boring, are you a whale-bat hybrid? This is over three octaves beyond your hearing limits, assuming you're rather young and have stayed off of subways and never went to a school dance or a rock concert, which is quite possible . . . .

>Maybe the DAC was a 4.1. I can't remember at this time. It was their latest and greatest of >that time(it was so long ago). It was about $30K or the thereabouts. I don't get into >astronomical numbers. I do know after I bypassed the output section and put in my own 26 >tube output section the DAC did much better. I think they were 6922 tubes at the time and >they aren't the best choice to my ears anyway. If I am going triode, DHT's are the best to me.
So you took a DAC with transformers designed to operate optimally with 6922 and subbed in a Type 26. And you think it improved things. Do you also run your lawn mower on kerosene?

>As for power supplies I do know the AN circuits quite well. Nothing that hasn't been done >before a million times over. The designer just makes it prettier than others.
Prettier? Thanks very much, although Peter will be quite upset. He's dead set against the audio porn of solid billet faceplates that double as battleship bulkheads, etc and we listen to people moan all day long about how plain it all looks. Although the kit stuff does look a good bit more appealing than many other kits, if that's what you meant.

>I A-Bed a modified( I made a much larger power supply) Bottlehead 300B against the AN 300B >SET amp. I think it was the Conquest or Conquerer(something like that). It used one 300B >tube. Again, it was a long time ago. They were both right there and when you take the cost >factor even modified the Bottlehead was the better amp. If the AN was better, it was better >looking! Oh I forgot to say I used a Magnequest output tranny. That was one of the Bottlehead >upgrades.
Is your memory that bad or are you allergic to specifics? The Conqueror and Conquests are a ways apart, Bottlehead has made a couple 300B amps with wild variations in custom MQ OPTs and experimentation is the name of the game there, so who knows what you were comparing. I helped form New England Bottleheads back in the day, and held one meeting at my (former) Audio Note shop. I would say things leaned quite the other way, but then I would, so in the end, neither of us is going to take the other's word for any of this.

>Well, maybe I'll see you at that show! Keep in touch with that. I usually don't go to them >because of the same rhetoric.
I don't get involved in rhetoric and dogma whenever I can avoid it, especially at shows where I'd rather not say anything and just play music unless someone has a question.

>If you want the real deal go the the Serious Audio website. Dennis Fraker builds some mean >stuff. Very expensive and for the life of me I have no idea why but it sure does sound good.
I may have heard his stuff at RMAF. Don't recall. Are you relenting and allowing for the possibility that something might be expensive for reasons you don't understand and still sound good? Don't go soft on us now! ;-)

>Still! $5000 for transformers? Tell me there's no profit there! That's plain nuts! I would like an >actual list of all the amps he sold with those or just the trannies. Nothing, and I do mean >nothing, warrants that number. Even if he took a month to make just that pair only, it wouldn't >warrant that number.
There's so much that could be said here, but there's clearly no point. I wish you much happiness in your corner of the world.

Keep your ears and your mind open.

Edits: 03/05/09

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