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Login or Sign Up. Posts Latest Activity. Page of 4. Filtered by:. Previous 1 2 3 4 template Next. Jeff B. Since this driver is so hard to get your hands one, and since it has near-legendary reputation as a mid, I thought I would submit of full review with measurements and subjective listening thoughts. Tags: None. Comment Post Cancel. From what I remember of their very limited and veiled documentiation there is some sort of "ring" on the air gap, but doesn't look like Faraday shorting tings.
What I guess is that, they use a different material at the tip s? What I think they have, since it is not explained in their literature is a more linear magnetic material at the section of the tip s? This material probably provides better saturation and less hysterisis due to its different B-H curve.
This is my guess though. There are some old AES papers and even patents I think that use this kind of approach, they were Japanese sources from what I remember.
Making the whole magnetic circuit from such metal would be very expensive, so using it in that section probably is beneficial enough. The huge magnet also would keep the magnetic circuit into more saturation, resulting in good distortion values as well.
Again these are all guesses on my part. Originally posted by feyz View Post. Thank you for sharing. I would love to hear them when they are setup in his studio. Originally posted by isaeagle View Post. Excellent write up Jeff. I'll never use that driver, but it was nice to read your review. Very well done, informative and easy to understand for noobs like me. Bryan K. DE Focht. Originally posted by Jeff B. View Post. Thanks for the writeup. Originally posted by scholl View Post.
How does it compare to the 6MD38 used in the Basslines? Thanks for the expose Jeff! You make me miss my 's I'm imagining with the AE woofer and your recent trend of small speakers, the impact these new speakers can send to the listening chair probably required an adjustment. The ATC dome turns noises into actual sounds better than any driver I know.
I am glad the Raal works with the dome, I was concerned 2 drivers with such precise performance may not match well but this is great news that they worked for you. Thank You again. Would like to see comparison tests to get a sense how one driver compares to another.
I know, completely impractical. Different crossovers, different baffles Not to state which is better or better value, but how they are different. All rights reserved. Yes No. OK Cancel.
Atc Sm75 150s 16ohm
Login or Sign Up. Posts Latest Activity. Page of 4. Filtered by:. Previous 1 2 3 4 template Next. Jeff B. Since this driver is so hard to get your hands one, and since it has near-legendary reputation as a mid, I thought I would submit of full review with measurements and subjective listening thoughts.
ATC SM withdrawl. ATC thinks that this decision boosts the sales of their completed speakers? I love this thing, it is one and only, so I might pull the trigger finally Well, curiously, they are not withdrawing it entirely, just DIY market. Seems bulk buyers will still be able to get it? All of them.
TEST: ATC SM75-150 mid-dome
SH Tweeter Sharing technology with the renowned ATC soft domed mid-range drive unit, the new tweeter employs a unique dual suspension system suppressing rocking modes even at high power output levels. The ATC configuration of a short edge-wound voice coil in a long, narrow magnetic gap ensures exceptionally low distortion throughout its operating band and removes the need for ferrofluids , which can dry out over time, compromising performance. A complex shaped, soft-domed diaphragm extends high frequency range and offers a smooth off-axis response. A precision-machined 5.