ATC SCM11 is a 2-way Passive Sealed Bookshelf speaker by ATC. It was released in 2018. It features a 0.98" Tweeter and 1 x 5.91" Woofer. ATC lists the drivers as HF ATC 25mm Neodymium soft dome, Mid/LF ATC 150mm CLD. The speaker has a frequency range of 56-22k Hz and a sensitivity of 85 dB. ATC SCM11 has an MSRP of 2699$ per pair.
Room Size Suitability
The size of the room where you plan to use the ATC SCM11 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 | Good |
| Small Room | Good |
| Mid-size Room | Average |
| Large Room | Poor |
| Very Large Room | No way |
(* 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.)
Frequency Response of the ATC SCM11 Speaker
ATC SCM11 has a Frequency response range of 56-22k Hz and Power Range of 75 to 300 Watts watts. With a minimum frequency of 56 Hz, SCM11 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 SCM11's Low frequency value compares with the average, max and min Low frequency values in its class.
Low Frequency
Bookshelf Speakers
Thinking about a subwoofer for the ATC SCM11?
Among the speakers in our database priced under $3,000 a pair, these are the 5 Passive Bookshelf speakers that have deeper bass than the ATC SCM11's 56Hz:
Crossover frequency of the ATC SCM11?
The crossover frequency of the SCM11 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.
Impedance and Sensitivity
ATC SCM11's nominal impedance level is
8 ohms and has a sensitivity of
85 dB.
Sensitivity
Bookshelf Speakers
8 Ohms is pretty much the standard nominal impedance amongst stereo speakers and amplifiers so ATC SCM11 is not considered a difficult to drive speaker from nominal Impedance perspective.
Sensitivity
With a sensitivity level of only 85 dB, ATC SCM11 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 SCM11 plays in your room →
What amplifier does the ATC SCM11 need?
At normal listening levels in a medium room, about
24–300 W
per channel into 8 ohms.
Set your own conditions and we will rank every amplifier we cover.
Prefer to browse? Integrated amplifiers under $3,000, or every amplifier we cover.
Input Type
SCM11 features Binding Posts/4mm Plugs, bi-wire type connectors.
Work out what gauge speaker cable this run needs →
ATC SCM11 External Dimensions and Weight
ATC SCM11 has external dimensions of (Height x Width x Depth) 15 x 9.13 x 9.29inch (381.0 x 232.0 x 236.0mm ).
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 SCM11 is approximately 547.5cm2 / 84.9inch2.
Find speakers that fit your shelf or alcove → · Work out where they should sit in the room →
WeightThe ATC SCM11 weighs 10.90kg / 24lbs per piece. Here is a comparison of how SCM11's weight compares with the average, max and min weights in its class.
Weight
All Bookshelf Speakers
Weight
Bookshelf Speakers under $3,000
Cabinet type and Materials
ATC SCM11 has a
Sealed type cabinet.
Wall Mounting
SCM11 doesn't sport any built-in mounting bracket, so you need an external structure to mount it on walls.
Does the ATC SCM11 come with a Grille?
SCM11 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 SCM11.
- Speaker Cable and Connectors
- 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.
- Speaker Stands: Stands bring your bookshelf speakers to ideal height (rule of thumb is to have the tweeter level with your ear in your listening position), helps stability and acoustical isolation.
Official Product Page
Official manufacturer's product page for the ATC SCM11 speaker can be found below:
Official Product Page for ATC SCM11