History of the C1 center speaker

ATC & other manufacturers design parameters, technical queries etc
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History of the C1 center speaker

Postby Mariner » Fri Aug 09, 2019 9:16 am

Hi everybody,

is anyone able to tell me more about the C1 center speakers history.
How many different models, what do they look like, and what kind of drivers do they had.

Thanks a lot !
Rudy

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Re: History of the C1 center speaker

Postby Mariner » Sun Aug 11, 2019 9:16 pm

Until now i had found a few pictures, which i try to get in the right line.

First Version:
Image

Second Version:
Image

Third and newest Version:
Image

So where are the differences?
As i recognize from the pictures:
The second version had another HT-driver than the first
The third version seems to have complete other drivers than version one and two.

Which version would you prefer to play with a SCM10 (front) and SCM7 (rear)?
Both first versions!

Are there more versions out there??
Is it possible that someone has a picture?
Are there more differences ??

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Re: History of the C1 center speaker

Postby linger63 » Mon Aug 12, 2019 11:18 am

You seem to have 3 options...........


1.........try to score another identical SCM 10 for use as a centre.........perfect match.

2.........just use whichever C1 model you can afford/acquire.

3.........move your (assuming older model) SCM 10's to the back......buy the latest SCM 10's and latest matching C1
Sell SCM 7's or keep for a 7.1 setup.


Good Luck

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Re: History of the C1 center speaker

Postby Mariner » Mon Aug 12, 2019 6:10 pm

Thanks for your ideas !

Mmmhh....
i have also a pair of SCM20 (first gen.) in the background.
Maybe i should use the 20th as fronts and the10th both as a center.
Unfortunately i have the impression that the 10th are sounding better in my small room :shock:
but maybe with a little room correction it might change ??

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Re: History of the C1 center speaker

Postby ToddP » Mon Aug 12, 2019 10:46 pm

The first and second version had the same tweeter, but a different wave guide (1st used the Vifa wave guide that came with the tweeter off the shelf, for the second the tweeter was removed from its wave guide and pressure fit into the baffle with a custom wave guide around it).
The latest (third picture) has the ATC tweeter.

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Re: History of the C1 center speaker

Postby Mariner » Tue Aug 13, 2019 7:31 am

Thanks ToddP!
Do you know if there are more versions in history?

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Re: History of the C1 center speaker

Postby ToddP » Tue Aug 13, 2019 5:21 pm

No I think that's it

Todd

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Re: History of the C1 center speaker

Postby Brad Lunde » Wed Aug 28, 2019 11:25 pm

I think you re looking several different ones.

The first picture looks like SCM20A drivers. SO that would be a C3CA in the current line
Then the next picture is a older C1A prior to the current- uses that same VIFA tweeter that used to be in the 40.
Then the C3 is the passive SCM 11 drivers.
The current C1C is SCM 7 drivers.. One of the best center channel speakers out there for vocal clarity.
Brad
Brad Lunde
Lone Mountain Audio, part of TransAudio Group
ATC Importers USA

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Re: History of the C1 center speaker

Postby Mariner » Thu Aug 29, 2019 12:05 pm

Thanks for your post Brad.

The first picture i took from Ebay:
https://www.ebay.de/itm/264443627916

So you might be wrong with your suggestion it´s a C3C.

Do you think that a combination of the new C1C with my "old" SCM10(front) and SCM7 (back) is senseful because they have different units?
My favorite is, at the moment, the C1C mk2 (second picture).

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Re: History of the C1 center speaker

Postby Brad Lunde » Thu Aug 29, 2019 6:52 pm

I certainly could be wrong! The angle and shadow make it hard to know for sure when there is no perspective. I think the C1C is such a great center speaker. It is much "warmer" than one would guess, with top end not playing such a critical role in its "voice" performance. Centers are really for dialogue and those SCM7 drivers make voice so intelligible. Ive tried using a standard SCM 7 for center and it works almost as well, but you have to stand it up so its not the right form factor.

Brad


Mariner wrote:Thanks for your post Brad.

The first picture i took from Ebay:
https://www.ebay.de/itm/264443627916

So you might be wrong with your suggestion it´s a C3C.

Do you think that a combination of the new C1C with my "old" SCM10(front) and SCM7 (back) is senseful because they have different units?
My favorite is, at the moment, the C1C mk2 (second picture).
Brad Lunde
Lone Mountain Audio, part of TransAudio Group
ATC Importers USA

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