# ATC SCM20ASL

Bookshelf / standmount active loudspeaker from the Classic series, made by ATC (🏴󠁧󠁢󠁥󠁮󠁧󠁿 GB-ENG).

Source: https://truescaleaudio.com/en/speaker/atc-scm20asl
Manufacturer page: https://atc.audio/hi-fi/loudspeakers/classic-series/scm20/

## Dimensions

| Dimension | Metric | Imperial |
| --- | --- | --- |
| Height | 450 mm | 17.7 in |
| Width | 250 mm | 9.8 in |
| Depth | 411 mm | 16.2 in |
| Weight (each) | 24.3 kg | 54 lb |

## Drivers

- 1 × 25 mm (1 in) tweeter — soft dome, ATC S-Spec dual-suspension soft dome
- 1 × 150 mm (6 in) mid-bass — cone, ATC 150 mm Super Linear mid/bass

## Specifications

| Specification | Value |
| --- | --- |
| Type | Bookshelf / standmount |
| Power | Active |
| Enclosure | Sealed |
| Frequency response | 55–25000 Hz |
| Crossover | 2200 Hz |
| Built-in amplification | 250 W per speaker |
| Price (USD) | $6,990 / pair |

## About

The active version of ATC's compact Classic standmount — a 150 mm Super Linear mid/bass and the 25 mm S-Spec soft-dome tweeter in a sealed cabinet, driven by on-board Class A/B bi-amplification (200 W bass, 50 W treble) via balanced XLR.

## See it to scale

This catalogue draws cabinets at their real size side by side, which no text version can reproduce. Compare the ATC SCM20ASL against another speaker at https://truescaleaudio.com/en/compare?a=atc-scm20asl