Preowned pair of ATC SCM20PSL Pro passive studio monitors, made in England. A 150mm ATC Super Linear bass driver and a 25mm dual suspension tweeter in a sealed 18kg cabinet, 8 ohms nominal, with 75 to 300 watts recommended. These need a capable power amplifier. Condition details below. The ATC SCM20PSL Pro is a compact passive monitor built in England for professional near field work, offered here as a preowned pair at €2180. The P in the model name means passive, so a separate power amplifier is required, and Pro marks ATC's professional range rather than the domestic Classic series. It suits a small to medium control room, or a listening room where accuracy matters more than flattery. What it does This is a sealed two way design. A 150mm ATC Super Linear bass driver with a 75mm voice coil handles everything below the crossover, and a 25mm dual suspension S-Spec soft dome tweeter takes over above it. Both drivers are made by ATC. Each cabinet is 450mm tall and weighs 18kg, which is heavy for the size and tells you most of what you need to know about how the panels are built. Two pairs of binding posts allow single wired or bi wired connection. How it sounds and where it fits ATC monitors are chosen for midrange resolution rather than a flattering bass lift. The point that matters most is power. ATC does not publish a sensitivity figure for this model, but the owner manual is explicit that a relatively high output amplifier is needed, and that best performance typically comes from amplifiers capable of more than 150 watts continuous into 8 ohms. The published recommendation is 75 to 300 watts, and an underpowered amplifier pushed into clipping risks distortion and voice coil damage. Partner these with a high current solid state power amplifier, use rigid stands that put the tweeter near ear height, and plan for a subwoofer if you want the lowest octave. Key features Passive two way monitor. A separate power amplifier is required. 150mm ATC Super Linear bass driver with a 75mm voice coil. 25mm dual suspension S-Spec soft dome tweeter. Sealed cabinet at 18kg each. Bi wireable binding posts. Recommended amplifier power of 75 to 300 watts. Technical specifications Bass driver: 150mm ATC Super Linear Tweeter: 25mm dual suspension S-Spec soft dome Amplitude linearity: 80Hz to 20kHz, plus or minus 2dB Cut off: 55Hz to 25kHz at minus 6dB, freestanding Crossover: 2.5kHz Dispersion: plus or minus 80 degrees horizontal, coherent Maximum continuous SPL: 108dB per pair at 1 metre Nominal impedance: 8 ohms Recommended amplifier power: 75 to 300 watts Dimensions: 450 x 250 x 294mm, 18kg per cabinet Condition and what is included Preowned, not new stock. No manufacturer warranty is claimed. Please read the notes below. In good condition, with no marks on the cabinets. Bought new in 2021. Finish: black. Supplied in the original packaging. Sold with a one year legal guarantee. As the goods are second hand, that shorter period is agreed with you at checkout, as the law allows. Frequently asked questions Do these speakers need a separate amplifier? Yes. PSL means passive, so there are no built in amplifiers. You supply a power amplifier, or an integrated amplifier with enough continuous output into 8 ohms. How much amplifier power do they actually need? ATC recommends 75 to 300 watts, and the owner manual advises more than 150 watts continuous into 8 ohms for best performance. Clean headroom matters more than a large number on paper. Can they be used at home rather than in a studio? Yes. Put them on rigid stands and expect a firm, controlled bass rather than an extended one. For the condition report, photographs or amplifier matching advice, use the enquiry button on this page.
Dreamcrest Audio Fidelity Ltd, Nicosia. Specialist hi-fi and high end audio, 20+ years in the audio business. Full details and photos: https://www.dreamcrestaudio.com/product/atc-scm20psl-pro-pair/
