AirTight ATC-2 Preamp Pictures - Page 2 - diyAudio
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Old 16th April 2012, 10:58 PM   #11
Leon08 is offline Leon08  Germany
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It looks like some DIY project.
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Old 16th April 2012, 11:30 PM   #12
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I'll have to look at it first. It won't be before a few weeks at the soonest.

Leon08. Well, point to point wiring is always looking this way, like something we can do our self. I've done enough to know two things: It is more difficult to do that you can think, and to get a nice layout take time, practice and knowledge. Secondly even it is nice, it won't warranty performance, low noise level, etc. To get the right layout take a lot of try and test. Based on my experience, it is a very nice layout.
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Old 17th April 2012, 12:14 PM   #13
Leon08 is offline Leon08  Germany
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That's right, it is difficult to make a good layout, but if you have gained experience and made some it's not so difficult.
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Old 17th April 2012, 12:56 PM   #14
hags is offline hags  United States
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Nice pics, they certainly offer insight into a "high end" design/build.

What is the Alp HQPRO? Is that a discrete, stepped attenuator?

It never fails to amaze me that some of the best designs from the best designers, even those that post here, wind up with a cheap, noisy, opaque, mistracking, afterthought of a volume control such as the Alps Blue or other similar pot.

I'm guessing this unit was upgraded for the same reason?????
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Old 18th April 2012, 01:23 AM   #15
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This pot is an original AirTight upgrade option and cost 1K$ in itself...
It is refered as an ALSP RK50 type, search the net there is plenty and even here a discussion: ALPS RK50 - Is this the best volume pot in the world?

As far as the upgrade goes, it was done by the original owner, I'm the third, so difficult to comment on its validity or not. I know that a good volume pot is a must in a good preamp preamp, and this is certainly a fine example. I got it almost for free for what I paid this preamp for. The rest is mainly film caps, are they better, I cannot say since I never heard a stock unit.

Sound pretty good to me as is
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Old 18th April 2012, 08:38 AM   #16
hags is offline hags  United States
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Very nice indeed.
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