![]() Arguably the most significant development in transducer design in the last 15 years, SL technology epitomises ATC's commitment to sound quality. Utilising a new material from the communications industry, ATC's Super Linear (SL) driver reduced third harmonic distortion by 10-15dB between 100Hz and 3kHz. In the same year Billy Woodman and his research team developed an innovative new driver topology designed to eliminate the effects of magnetic hysteresis as a significant source of distortion in loudspeaker drive units. In their latest versions they continue to offer unrivalled precision and performance. Both SCA2 pre-amplifier, SPA2-150 power amplifier and later the SIA2-150 were built according to ATC's no compromise philosophy, achieving performance figures that still rank as among the best available. 1996 welcomed the launch of ATC's first stand alone audiophile electronics. Available in both active and passive versions, they offered elite ATC performance and reliability to many new customers. Having established a market for reference quality precision-made monitors, a succession of smaller ATC speakers then evolved, ranging from SCM7s through 10s and 20s. With regular fine tuning they remain as popular today in both professional and HiFi applications. ![]() A contract with Danish Radio for an active portable monitor provided the opportunity to integrate the new SCM50 and SCM100 speakers with a Tri-amp pack and electronic crossover to create the industry standard SCM50A and SCM100A, the first reliable and accurate active systems. During this period ATC researched and developed the first active system elements, introducing the EC23 Active Crossover with built in phase correction. The next decade witnessed the introduction of complete speaker systems and further versions of the high power PA drive units used in OEM form by many leading manufacturers and performers - Pink Floyd and Supertramp were early customers. ![]() Utilising exotic materials and precision tolerances, the latest version of the SM 75-150s represents the apex of drive unit technology. It revolutionised studio monitoring and has since become recognised as the ultimate mid-range transducer for both domestic and professional applications. VAT (~$60,000).1976 saw the first production of the ground-breaking SM 75-150s soft dome midrange driver, a technical tour-de-force, whose innovative up-scaled design reproduced a more uniform dispersion, wider bandwidth and much lower distortion than was thought possible at the time. Only 22 pairs were made and it was originally released on Augfor £46,600 inc. Note: The top photo is of the ATC SCM150ASLT Limited Edition Loudspeaker System which includes P6 Amplifier. SPH2 Discrete Phono Preamp for SCA2, built-in $999.SCA2 Analog Precision Discrete Preamp $12,999.CD2 Compact Disc Player, remote control $2,499.P2 300 watt/ch, Dual Mono Amp, no fan, 3RU $5,499.P1 150 watt/ch, Dual Mono Amp, no fan, 3RU $3,999.SIA2-150 Integrated Amplifier, Pure Analog $5,999.CDA-2mkII Preamp/DAC/CD, remote control $4,999.HTS40 or HTS40C (SCM40 drivers in vertical or horizontal) $3,250/each.HTS11 or HTS11C (SCM11 drivers in vertical or horizontal) $1,199/each.HTS7 or HTS7C (SCM7 drivers in vertical or horizontal) $749/each.HTS on Wall Passive (Black Satin or White Satin)
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