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ATC C1 Subwoofer (Active / Powered) I bought this mint ATC C1 sub about two years ago to set up a second all ATC system with some 19’s and an ATC SIA 150 integrated. The second system was set up for a few weeks but I had to pack it away after each use so it became a bit of a chore. I do have larger ATC speakers in my main system and tended to use them rather than do the set up pack up thing. I bought this sub from the original owner. He’d worked for a hifi retailer in Melb and bought it so run with his ATC SCM 7’s but as he lived in a flat he felt the sub may annoy the neighbors. The sub’s g
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ATC (Acoustic Transducer Company), a British engineering powerhouse, was founded in 1974 by innovative loudspeaker designer Billy Woodman. Initially focused on crafting custom drive units for the professional audio sector, the company quickly gained acclaim with its 12-inch PA75-314 driver, renowned for superior power handling and minimal distortion at high sound pressure levels. In 1976, ATC introduced the groundbreaking SM75-150 soft dome midrange driver, revolutionizing dispersion, bandwidth, and clarity in studio monitors.
The brand specializes in high-precision loudspeakers, designing and manufacturing its own drivers—including tweeters, midrange, and bass units—in-house for both professional and home applications. Its SCM series offers a spectrum from compact models like the SCM7 to larger formats, available in active and passive configurations. ATC also produces standalone electronics, such as preamplifiers, power amplifiers, and integrated amps like the SIA2-150, all built to uncompromising standards of accuracy and reliability.
ATC commands a elite position in the high-end hi-fi market, revered by recording studios worldwide for its transparent, detail-revealing monitors and by discerning audiophiles for domestic speakers that deliver reference-grade performance. A professional ethos, advanced materials, and innovations like the Super Linear Driver—slashing distortion in the vocal range—cement its status as a boutique leader, where precision engineering trumps mass production.
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