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Old 7th May 2012, 03:59 PM   #5201
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I agree that the THAT 1510 looks GOOD! I will have to try it.
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Old 7th May 2012, 04:13 PM   #5202
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Nigel and dvv please take note: The 1510 from THAT looks better than any IC based design or hybrid, put up here, so far, and it is CHEAP! (enough to consider) I will love to try it in a JC-3. That would be my ultimate listening test choice, yours would be something different.

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Old 7th May 2012, 04:19 PM   #5203
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Now, if only the 1510 had a Class A output stage. That would be wonderful! (sort of)
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Old 7th May 2012, 04:59 PM   #5204
SY is offline SY  United States
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I note that a company selling $10K headphone amps used some of my recordings as demo material this past weekend. I use THAT1512 as the heart of the preamp. I would love to have had tubes, but I admit that the 1512 outdoes my best efforts. If you can beat it, I'm buyin'.
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Old 7th May 2012, 05:01 PM   #5205
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What and you not only paticipated in, but allowed them to get away with "boutique" tactics .. .....
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Old 7th May 2012, 05:04 PM   #5206
SY is offline SY  United States
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I wouldn't spend that on a headphone amp, but then again, I hardly ever use headphones except for location sound checks.

The humorous thing was that my amp/pre were hooked up with megabuck cables and line cords. The guy sharing the room with us was just appalled by the 99 cent cords from Apex Jr that Pete Millett was using and the similar cords from Halted that I was using. He did not complain about our keg of Live Oak beer.
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Old 7th May 2012, 05:34 PM   #5207
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Quote:
Originally Posted by SY View Post
I wouldn't spend that on a headphone amp, but then again, I hardly ever use headphones except for location sound checks.

The humorous thing was that my amp/pre were hooked up with megabuck cables and line cords. The guy sharing the room with us was just appalled by the 99 cent cords from Apex Jr that Pete Millett was using and the similar cords from Halted that I was using. He did not complain about our keg of Live Oak beer.
If you haven't seen it here is THAT's AES presentation packed with good stuff. This should have been referenced in my article, (slide 44 , winks as good as a nudge to a blind man).

http://www.thatcorp.com/datashts/AES...ic_Preamps.pdf
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Old 7th May 2012, 05:45 PM   #5208
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I'd also recommend their Analog Secrets presentations, though I don't think they plugged you in those.
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Old 7th May 2012, 06:02 PM   #5209
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Default THAT 1510

http://www.thatcorp.com/datashts/THA..._Datasheet.pdf

I know a similar chip SSM2019 which if memory serves me correctly was used in the Lehmann Black Cube phono stage ?

I have been told these are good also

THAT Corporation 300-series Low-Noise Matched Transistor Array ICs
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Old 7th May 2012, 06:13 PM   #5210
bcarso is offline bcarso  United States
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Originally Posted by scott wurcer View Post
If you haven't seen it here is THAT's AES presentation packed with good stuff. This should have been referenced in my article, (slide 44 , winks as good as a nudge to a blind man).

http://www.thatcorp.com/datashts/AES...ic_Preamps.pdf
That is a nice article.

The circuit attributed to Birt on page 58 appears at least as early as 1987 in Steve Dove's Consoles article in Ballou's Handbook for Sound Engineers, ISBN 0672219832, and may be in the earlier series of magazine articles of Steve's that his chapter apparently recapitulates (I don't have the magazine series). I have forgotten the name of the person that Steve worked with in the UK who also claims he invented it [= ; there was an exchange sans Steve in the smaller breakaway-from-diyaudio forum some years ago about priority.

It's a nice idea and works of course, but my experience is it's a bit tricky to compensate.


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