ATC SCM40 is a 3-way Passive Sealed Floor-standing speaker by ATC. It was released in 2022. It features a 0.98" Tweeter, 1 x 2.95" Midrange and 1 x 6.46" Woofer.
HF ATC 25mm Neodymium, Mid 75mm ATC Soft Dome, LF ATC 164mm SC
The speaker has a frequency range of 48-22k Hz and a sensitivity of 85 dB. ATC SCM40 has an MSRP of 7999$ per pair.
Room Size Suitability
The size of the room where you plan to use the ATC SCM40 is a crucial factor in your decision. We have assessed its suitability for various room sizes based on its dimensions and maximum power output:
| Listening Environment* |
Suitability |
| Near-field | Poor |
| Small Room | Average |
| Mid-size Room | Good |
| Large Room | Average |
| Very Large Room | Poor |
(* Approximate Room sizes: Small < 100sq. ft / 9 m2, Mid-size: 100-220 sq. ft / 9-20 m2, Large 220-400 sq. ft / 20-36 m2, Very Large: > 400 sq. ft / 36 m2.
Average Floor Height: 9" / 2.7m. Typical room sizes differ from country to country, and the actual listening experience changes depending on floor height, room shape, surface materials, listening position, speaker locations, etc.)
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Frequency Response of the ATC SCM40 Speaker
ATC SCM40 has a Frequency response range of 48-22k Hz at ±3dB and Power Range of 75 to 300 Watts watts. With a minimum frequency of 48 Hz, SCM40 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 SCM40's Low frequency value compares with the average, max and min Low frequency values in its class.
Low Frequency
Floor-standing Speakers
Thinking about a subwoofer for the ATC SCM40?
Among the speakers in our database with a max MSRP price of 10000$ (Pair), these are the 5 Passive Floor-standing speakers that have the deeper bass levels than the ATC SCM40's 48Hz:
Crossover frequency of the ATC SCM40?
The crossover points of the SCM40 are set at 380Hz & 3.5kHz.
Impedance and Sensitivity
ATC SCM40's nominal impedance level is
8 ohms and has a sensitivity of
85 dB.
Sensitivity
Floor-standing Speakers
8 Ohms is pretty much the standard nominal impedance amongst stereo speakers and amplifiers so ATC SCM40 is not considered a difficult to drive speaker from nominal Impedance perspective.
Sensitivity
With a sensitivity level of only 85 dB, ATC SCM40 is a difficult to drive speaker from Sensitivity perspective, make sure to choose an amplifier with a high output if you like listening to your music at high volume levels. You may especially have a hard time using Tube amplifiers which are traditionally very low power compared to Class A/B or Class D amps. Work out how loud the ATC SCM40 plays in your room →
What amplifier does the ATC SCM40 need?
At normal listening levels in a medium room, about
24–300 W
per channel into 8 ohms.
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Input Type
SCM40 features Binding Posts/4mm Plugs, tri-wire type connectors. Bi-amping and Bi-wiring are not possible.
Work out what gauge speaker cable this run needs →
ATC SCM40 External Dimensions and Weight
ATC SCM40 has external dimensions of (Height x Width x Depth) 38.58 x 14.57 x 12.01inch (980.0 x 370.0 x 305.0mm ).
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 SCM40 is approximately 1128.5cm2 / 174.9inch2.
Find speakers that fit your shelf or alcove → · Work out where they should sit in the room →
WeightThe ATC SCM40 weighs 31.00kg / 68.2lbs per piece. Here is a comparison of how SCM40's weight compares with the average, max and min weights in its class.
Weight
All Floor-standing Speakers
Weight
Floor-standing Speakers under $10000
Cabinet type and Materials
ATC SCM40 has a
Sealed type cabinet.
Does the ATC SCM40 come with a Grille?
SCM40 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 SCM40.
Official Product Page
Official manufacturer's product page for the ATC SCM40 speaker can be found below:
Official Product Page for ATC SCM40