The SCM45A is a completely new design but shares many features with the highly-successful SCM25A. It fills a gap in ATC's product range for a mid-size three-way that can be used in near- or mid-field positions, has high output and extended low frequency for its size but without compromising the overall balance for which ATC is so well known.
Like the SCM25A, the new SCM45A is an active three-way with an unprecedented linear response across the critical mid-range, as well as across the rest of the audible range. In contrast to the SCM25A, the SCM45A a second woofer for deeper bass response and increased SPL capability, as well as ATC's new proprietary dual-suspension tweeter for increased resolution in the top-end. In addition, the SCM45A is physically symmetrical (not mirror imaged) and sized for placement on a meter bridge. The SCM45A is thus ideal as a centre speaker between other SCM45A or ATC SCM50ASLs.
"Apart from the strategic fit of the SCM45A within the ATC product line, I must add that this new reference monitor offers stunning performance," said Brad Lunde, president of TransAudio Group, ATC's U.S. distributor "Price-wise, the SCM45A sits between the smaller SCM25A and the larger SCM50ASL. It includes ATC's new tweeter and dual woofers, which improve both top-end and low-end performance. Reports trickling in from beta users suggest that the SCM45A's transparency and feature set will make it a perfect fit in a variety of situations, from dedicated near-fields to larger multi-channel systems. There is every reason to believe it will be as popular as the SCM25A, and maybe even more so."
The ATC SCM45A uses ATC's new one-inch dual-suspension "Super" tweeter, the first to be designed and built by the company and the result of six years of research and design by Billy Woodman, managing director and Richard Newman, R&D engineer. The mid-range driver is ATC's hand-built three-inch soft dome and two 6.5-inch bass drivers that deal with the lower frequencies. All of the drive units are powered by ATC's proprietary active amp pack, a three-channel discrete MOSFET class A/B design with 150/60/25 for the bass/mid/HF respectively.
(Jim Evans)
