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Atc subwoofer12/4/2023 Although Dad had suffered with a number of health issues over the years, he had always defied the odds and recovered, his death has been a shock to us all.ĭad founded ATC almost five decades ago. I am extremely sad to announce the death of my Dad, ATC’s founder and owner, Billy Woodman.ĭad passed away peacefully surrounded by his family on 21 July 2022, aged 76 years old. To read Stereonet’s SCM40A review in full, click here to visit their website. Great clarity, power, dynamics and punch make for a highly expressive listen – one that makes music move you.” Stereonet UK, December 2022 Put simply, the SCM40A punches way above its weight – turning it into a giant killer at a still reasonable and accessible price. All the more surprising, when you consider the sonic fireworks that have resulted from ATC turning its already excellent SCM40 floorstander, and adding internal Class AB power amplification and active crossovers. “The delights of active operation for hi-fi loudspeakers have long been known, but few manufacturers venture from passives. To read Audiograde’s SCM40A review in full, click here to visit their website. Put simply these speakers make the case like few others for the active path, they’re exceptional.” Audiograde, December 2022. “This brand knows a thing or two about studio grade audio, so when it decided to fit three Class AB amps into its already acclaimed SCM40 speakers we knew they were going to be something special. Mute via ¼”/ 6.ATC SCM40A awarded by Audiograde & Stereonet as ‘Best of 2022’ and ‘Product of the Year ’22’ Our SCM40A active 3-way loudspeaker has proved very popular in 2022 and the press agree with Audiograde featuring it in their ‘Best of 2022’ and Stereonet UK also featuring it as one of their ‘Products of the Year ’22’. Total range 21dB with use of Gain switchĪTC Active FET Momentary Gain Reduction, active limiter indicated on front panelġ.55Vrms for full power (single channel driven, Gain 0dB, Level 0dB)Ģ20-230V, 115V – Factory set. <2Hz (-3dB) – 320Hz (-6dB, set by panel-controlled LP filter)ĠdB -11dB in 1dB steps. Grounded Source MOSFET based Class A-B, convection cooled +4dBu ref 88dBC (single channel driven, Gain +6dB, Level 0dB, pink noise, low pass filter set at 80Hz) (-6dB, 4th order Linkwitz Riley)ġ10dB continuous, 116dB peak (IEC Weighted Pink Noise, measured at 1m, half space, low pass filter set at 80Hz) Typical System Configuration Drawings PDFĢ2Hz (-6dB, half space, low pass filter set at 80Hz)ĥ0Hz, 65Hz, 80Hz, 320Hz. with ATC Head of Engineering Rich Newman PDFĪTC System Recommendations for Stereo and Multichannel PDF Additional subs cab be muted using the same single footswitch via connection to the mute ‘Thru’ jack. The mute function does not affect the outputs to the primary monitor loudspeakers, only the output from the sub itself. When in use, the subwoofer output can be muted using a single latching footswitch connected via a ¼”/6.35mm jack. The amplifier features fault monitoring of amp panel temperature and power amplifier D.C offset either fault condition is indicated via illumination of a single red LED mounted on the amp panel. The low pass filter can also be set to ‘Off’ (320Hz) should the user wish to use the SCS70 Pro with external processing. 21dB range of gain control, three low pass frequency settings, polarity switch and a 180 degree continuously variable phase setting allow the user to optimize the subwoofer for use with a very wide range of partnering loudspeakers. A pair of buffered, un-filtered balanced outputs are provided for connection to partnering active monitor loudspeakers or to ‘daisy-chain’ multiple subs. Two balanced inputs enable connection to mono or stereo sources. The SCS70s convection cooled amplifier is mounted in the rear of the SCS70 Pro cabinet. ![]() It employs a short-coil operating in an exceptionally long magnetic gap to deliver high sound pressure levels with very low levels of distortion. The SS75-314SC driver employed in the SCS70 Pro has been meticulously optimized to reproduce the lowest 3 octaves of the audio band within the design of the SCS70 subwoofer system. The subwoofer cabinet features a panel mounted in its front face with two LEDs to indicate ‘on’/’limit’ and ‘mute’. The cabinet is heavy and inert to minimize cabinet coloration. The sub features a sealed-box (infinite baffle) design, chosen for its balance of sub-bass extension and driver control. Its performance and features make it ideally suited to use within stereo, multi-channel surround and immersive audio systems. The ATC SCS70 Pro is a high-performance 12”/300mm active subwoofer, designed from the ground up to deliver the exceptional levels of performance required to partner ATC’s active monitors.
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