SCM50ASL Anniversary vs SCM20A
The SCM20A's sensitivity is 108 dB against the SCM50ASL Anniversary's 112 dB, its high-frequency extension 20 kHz against 22 kHz, and its woofer 6.5" against 9". Both share impedance (8Ω).
AI-generated product photo — not official manufacturer imagery.
The ATC SCM50ASL Anniversary is a limited-edition active three-way loudspeaker derived from ATC’s SCM50 design. It uses a 25mm soft-dome tweeter, 75mm ATC soft-dome midrange driver, and 234mm Super Linear bass driver, with built-in tri-amplification rated at 50W for high frequencies, 100W for mid frequencies, and 200W for low frequencies. Active electronic crossovers operate at 380Hz and 3.5kHz, and the speaker accepts a balanced XLR input. ATC specifies approximately 62Hz–17kHz frequency response within ±2dB, 35Hz–22kHz within ±6dB, matched-pair response within ±0.5dB, and maximum continuous output of 112dB SPL at 1m. The Anniversary edition is distinguished by its special floorstanding cabinet and anniversary finish and detailing. It is a discontinued Legacy Edition; ATC’s current SCM50-related model is the SCM50 SE.
Driver and acoustic performance characteristics
Amplification power output and characteristics
Driver configuration and enclosure design
Input and output connections
Size, weight, and appearance
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions
Estimated price (community-sourced)
Around — community and catalog average, updates slowly
Components that show up alongside the SCM50ASL Anniversary in real systems. A verdict means the pair has been checked for compatibility and headroom — open it to see how the two get along.
The closest alternatives on specs, description and the systems they turn up in, with the specs they share set side by side.
The SCM20A's sensitivity is 108 dB against the SCM50ASL Anniversary's 112 dB, its high-frequency extension 20 kHz against 22 kHz, and its woofer 6.5" against 9". Both share impedance (8Ω).
The SCM20ASL Pro's sensitivity is 108 dB against the SCM50ASL Anniversary's 112 dB, its high-frequency extension 25 kHz against 22 kHz, and its low-frequency extension 55 Hz against 35 Hz. Both share impedance (8Ω).
Both turn up in the same documented systems.
The Perspective's high-frequency extension is 20 kHz against the SCM50ASL Anniversary's 22 kHz and its woofer 5.5" against 9". Both share impedance (8Ω) and low-frequency extension (35 Hz).
The SCM40 (Gen. 2)'s sensitivity is 85 dB against the SCM50ASL Anniversary's 112 dB and its low-frequency extension 48 Hz against 35 Hz. Both share impedance (8Ω) and high-frequency extension (22 kHz).
Living Voice Auditorium R25A 25th Anniversary
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