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Overview:
- The hybrid design incorporates a 150mm bass cone on to which is grafted a 75mm soft dome.
- The magnet assembly utilises ATC's unique "SL" technology which greatly reduces distortion in moving coil drive units by a very significant 12-15dB (3rd harmonic). To minimise Time Domain Distortion both dome and cone are made from acoustically "dead" polyester wave material doped with ATC's own formulation.
- Not only does the SCM20SL reproduce bass with remarkable articulation and authority, it also has outstanding mid-band clarity, incredible dynamic range, and awesome power handling.
- The active tower version (SCM20ATSL) is powered by the ATC "Grounded Source" Bi-amplifier. The bass/mid is driven with 200 watts, while the tweeter has 50 watts of class "AB" power.
- Both amplifiers feature momentary gain reduction circuitry which both protects drive units and prevents unpleasant sounds from overdrive.
- Accompanied by either ATC SCA2 or CA2 preamp the SCM20AT will out perform any other combination in its price range any many costing far more.