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ATC SCM20ASLT Review
ATC SCM20ASLT - Front View

Main Features

  • Tweeter
  • " Woofer
  • 55-25k Hz Frequency Response
  • 4 dB Sensitivity
  • Integrated Amplifier
  • Power Range: 75W-300Wwatts
  • Weight:66.58 lbs / 30.20 kg
  • Dimensions(HxWxD): 38.98"x9.41"x14.41" / 990.0 x 239.0 x 366.0mm
MSRP: $12,499 (list price)
Check price atAmazon›

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ATC SCM20ASLT Review
ATC SCM20ASLT ATC SCM20ASLT
Check price atAmazon›

ATC SCM20ASLT is a 2-way Powered Sealed Floor-standing speaker by ATC. It was released in 2022. The built-in power amplifier saves space & eliminates the need to connect ATC SCM20ASLT to a stereo receiver or external power amp. It features a Tweeter and 1 x " Woofer.

1 x 150mm/6”, SB75-150SL 8Ω; 1 x 25mm/1”, SH25-76S 6Ω

The speaker has a frequency range of 55-25k Hz and a sensitivity of 4 dB. ATC SCM20ASLT has an MSRP of 12499$ per pair.


**This post contains affiliate links, and we will be compensated if you make a purchase after clicking through our links. As an Amazon Associate I earn from qualifying purchases.

Frequency Response of the ATC SCM20ASLT Speaker

ATC SCM20ASLT has a Frequency response range of 55-25k Hz at ±3dB and Power Range of 75W-300W watts. With a minimum frequency of 55 Hz, SCM20ASLT delivers moderate bass depth so depending on your use case, you might want to consider adding a subwoofer to your system.

Here we have a comparison of how SCM20ASLT's Low frequency value compares with the average, max and min Low frequency values in its class.
Low Frequency
Floor-standing Speakers
ATC SCM20ASLT
Min
Average
Median
Thinking about a subwoofer for the ATC SCM20ASLT?
  • Every powered subwoofer we cover, whatever the budget

Crossover frequency of the ATC SCM20ASLT?

The crossover frequency of the SCM20ASLT is set to 2.2kHz. This is the threshold frequency where the higher frequency signals over this level are sent to the tweeter and the lower-frequency signals are sent to the woofer by the crossover component.

ATC SCM20ASLT driver frequency bands55-2.2kWoofer2.2k-25kTweeter20501002005001k2k5k10k20k40kHz, log scale

Inputs and Outputs

  • USB Port:
  • Subwoofer Output
  • Digital Input:
  • HDMI Input:
  • Headphone Jack:
  • Ethernet Port

ATC SCM20ASLT External Dimensions and Weight

ATC SCM20ASLT has external dimensions of (Height x Width x Depth) 38.98 x 9.41 x 14.41inch (990.0 x 239.0 x 366.0mm ).

Base Surface Area
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited. The base area of ATC SCM20ASLT is approximately 874.7cm2 / 135.6inch2.

Find speakers that fit your shelf or alcove →  ·  Work out where they should sit in the room →

Weight

The ATC SCM20ASLT weighs 30.20kg / 66.4lbs per piece. Here is a comparison of how SCM20ASLT's weight compares with the average, max and min weights in its class.

Weight
All Floor-standing Speakers
ATC SCM20ASLT
Min
Average
Median
Weight
Floor-standing Speakers under $20000
ATC SCM20ASLT
Min
Average
Max

Cabinet type and Materials

ATC SCM20ASLT has a Sealed type cabinet.

Does the ATC SCM20ASLT come with a Grille?

SCM20ASLT comes with grilles. The purpose of the grille is to protect the delicate driver elements from external impacts while still allowing the sound to pass as clearly as possible.

Recommended Accessories

Here is a list of accessories that we think you may need for the ATC SCM20ASLT.

  • Vibration Isolators: IsoAcoustics isolators are our favorite isolators but you may find more affordable options too.
  • Acoustic Panels and Treatments: Your room is as important as your stereo equipment so acoustic treatments goes a long way in improving the overall performance.

Official Product Page

Official manufacturer's product page for the ATC SCM20ASLT speaker can be found below:
Official Product Page for ATC SCM20ASLT

Frequently Asked Questions about ATC SCM20ASLT

Does the ATC SCM20ASLT need a subwoofer?

The ATC SCM20ASLT reaches down to 55Hz (full range 55-25k Hz). That covers most music, though a subwoofer still adds the bottom octave for home theatre.

Is the ATC SCM20ASLT sealed or ported?

The ATC SCM20ASLT uses a Sealed enclosure. A sealed box trades some output for tighter, more even bass and is the more forgiving choice close to a wall.

Does the ATC SCM20ASLT come with grilles?

Yes. The ATC SCM20ASLT comes with removable grilles.

How big and heavy is the ATC SCM20ASLT?

The ATC SCM20ASLT weighs 30.20kg / 66.4lbs each and measures 38.98 x 9.41 x 14.41inch (HxWxD).

How much does the ATC SCM20ASLT cost?

The ATC SCM20ASLT has a manufacturer's list price (MSRP) of $12,499 per pair.


ATC SCM20ASLT Detailed Specifications

General
BrandATC
Full Model NameATC SCM20ASLT
Speaker Type2-way Floor-standing
Power Range75W-300W watts
Sensitivity4 dB
Max SPL108 dB
Frequency Response55-25k Hz
Release Date2022
Amplifier Specs
DAC Specs
DRIVERS
Woofer Size-inch
Woofer Composition
Crossover freq2.2kHz
DIGITAL ECOSYSTEM
Amplifier OutputBass 200W (8Ω), H.F. 50W (8Ω)

CONNECTIONS
Connector Type1 x Rear Panel Mounted Female XLR, pin 2 hot
PHYSICAL SPECS
Height990.0mm ( 38.98-inch)
Width239.0mm ( 9.41-inch)
Depth366.0mm ( 14.41-inch)
Height990.0mm ( 38.98-inch)
Weight30.2 kg (66.6 lbs)
EnclosureSealed
GrilleYes
Moisture ResistanceNo
OTHER
Handheld RemoteNo
Parts Warranty
Labor Warranty
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