![]() Audio Input: Rear panel mounted female xlr (pin 2 +).Dispersion: ☘0° Coherent Horizontal, ☑0° Coherent Vertical.Cut-off Frequencies (-6dB, free-standing): 47Hz-22kHz.Drivers: HF 25mm soft dome, Mid 75mm soft dome, LF 164mm short-coil carbon paper cone.Compact size with high output and low cut-off frequency.On-board grounded source 235W class A/B 3-way amplifier.ATC hand built 7˝/175mm carbon-paper cone bass driver.ATC hand built 3˝/75mm soft dome mid driver.An added feature of the compact design is that it can be rack mounted using an optional rack mounting kit, making it ideally suited to broadcast and outside broadcast applications. On-board amplification is constructed around the company's class A/B Mosfet output stage delivering 150W to the bass driver, 60W to the mid and 25W to the high frequency driver, with all three stages fed by 4th order critically damped crossover filters with phase compensation. The mid-range dome is the company's world renowned soft dome, and the bass driver is a hand built, in house, using a carbon-paper cone with high excursion capability. The drive units all use large diameter, under-hung voice coils for excellent dynamic range and linearity. As with all ATC products, acoustic performance has been the primary goal and the design uses drive units and amplifier technology from the larger SCM series loudspeakers. The loudspeaker aims to bring the performance of ATC's well know larger models to a compact package, better suited to the smaller control room, production or broadcast suite. ![]() The crossovers are all fourth order and critically damped with phase compensation.ĪTC launch the SCM25A, the company's first compact 3-way active studio monitor loudspeaker. The passively cooled amp pack features FET limiting. The integrated tri amplifier generates 150W RMS for the woofer, 50W for the midrange and 25W for the tweeter. The SCM25A Pro incorporates ATC's short-coil, 7in carbon-paper woofer, a 3in soft dome midrange driver and a 1in silk dome tweeter in a ported enclosure that measures 10.4in x 16.9in x 16in. The SCM25A Pro produces a wide, stable soundfield with very low coloration and offers low frequency extension to 42 Hz (-6dB). The crossovers are all 4th order, critically damped with phase compensation. The passively cooled amp pack also features FET limiting. The integrated tri-amplifier generates 150 W RMS for the woofer, 50 W RMS for the midrange and 25 W RMS for the tweeter. The SCM25A incorporates ATC's proprietary short coil seven-inch carbon-paper woofer, a three-inch soft dome midrange driver and a one-inch silk dome tweeter in a ported enclosure that measures 10.4 inches (264 mm) (H) x 16.9 inches (430 mm) (W) x 16 inches (408 mm) (D). The speakers are in immaculate condition, the matt lacquer does not show any imperfections.This pair of ATC SCM25A Pro' are in near perfect condition. ![]() Overload protection is ensured by a FET limiter The three amplifiers, in Class A / B, produce 150 Wrms for the bass, 50 Wrms for the mids and 25 Wrms for the highs, with the two crossover points set at 380 Hz and 3.5 kHz, made with fourth order filters and as of phase. One second allows you to control the low frequency boost at 40 Hz from 0 to +6 dB. The rear input accepts a balanced signal with a sensitivity of 1 Vrms with variable trim from 0 to -6 dB. The maximum SPL at one meter is 109 dB per pair. ![]() The horizontal dispersion has an angle of +/- 80 ° and the vertical one of +/- 10 °. The frequency response extends from 47 Hz (-6 dB) up to 22 kHz (-6 dB) with an amplitude linearity of +/- 2 dB from 74 Hz to 17 kHz. One of the rare three-way, nearfield studio monitors used in the control desks of the most prestigious studios in the worldĪ real "monitor" with amazing control, able to be listened to without tiring at sound pressure very high, thanks also to the extraordinary 75mm diameter soft dome midrange, as well as the others, bass and tweeter One of the most sought after speakers even by non-pro users. ![]()
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