ATC SCM50ASLT

ATC

SCM50ASLT

Introduced 2018$26,999 MSRP

The ATC SCM50ASLT is a fully active three-way floorstanding tower loudspeaker built around ATC's in-house-made driver and amplifier lineup, including the brand's renowned 75mm Super Dome midrange unit. Three dedicated Class AB amplifiers (matched at the factory to their respective drive units) are built directly onto the cabinet, driven by fourth-order active (line-level) crossovers so that no passive crossover network ever touches the signal — a hallmark of ATC's active-speaker philosophy.

MSRP

$26,999

Used market · Good

$10,500

-61% vs MSRP
as of Sep 1, 2026

MSRP to used market

From $26,999 at launch to $10,500 today.

Specifications

Inputs
Female XLR (balanced) analog input per cabinet
Weight
51 kg per cabinet (some sources cite 48.9–53.3 kg depending on finish)
Drivers
25mm ATC dual-suspension S-Spec (SH25-76S) tweeter, 75mm ATC Super Dome midrange, 234mm/243mm ATC Super Linear low-frequency driver
Finishes
Standard veneers (Cherry, Walnut, Oak, Black Ash), satin paints (Black, White), premium veneers and high-gloss finishes at extra cost
Crossover
4th-order Linkwitz-Riley active filters at line level; crossover points 380 Hz and 3.5 kHz
Dimensions
1003 × 304 × 470 mm / 39.49 × 11.97 × 18.50 in (H×W×D)
Dispersion
±80° coherent horizontal, ±10° coherent vertical
Maximum spl
112 dB continuous at 1 metre
Amplification
Built-in ATC Class AB tri-amp pack: 200W (LF), 100W (Mid), 50W (HF) = 350W total per cabinet
Configuration
Active, 3-way, sealed floorstanding tower with tri-amplification and built-in active crossover
Frequency response
±2dB from 70Hz–20kHz (amplitude linearity); -6dB points at 38Hz and 25kHz

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