ATC Loudspeakers SCM 1/15 Subwoofer - Single (Used) – No Longer Available
ATC recommends no “bass management” or, no roll off for the main speakers when used with a sub. This bass management filtering artificially colors the main speaker sound and introduces filter/phase problems. ATC’s thought is that bass management was largely created to protect woofers in tiny satellites, not to improve overall response or transition between sub and mains. Run the main speakers full range and the sub at the widest possible bandwidth, then lower the LP filter freq to the sub from there. This generates a nice result and creates a smooth transition between mains and subs.
The ATC sub package is flat to 28Hz and is very clean. True low distortion woofer output below 100Hz is a thing of beauty and we’ve heard it ONLY in the ATC. Do not expect to be “knocked down” with huge quantities of bass. Much of what we think is massive bass is really just loads of distortion at 200Hz to 300Hz! Sometimes this distortion can approach 40 to 50% of the total sub output! So word to the wise, do not buy this ATC sub for showing off to clients. It is a precision tool and engineer's window into the “below 100 Hz” world of a mix; a near perfect mate to ATC mains. If you are making judgments on bass content, we see no other way you can do it properly than with the ATC sub.
A single ATC SCM 0.1/15ASL will deliver output SPL of 118dB (1W/1M). IF you need more output you must add units. A single 1-15 sub is 118dB SPL, 2 is 121dB SPL, 4 is 124dB SPL and 8 is insane!
|Condition||Used / Vintage|
|Active or Passive||Passive|
|Number of Speakers||Single|
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