ATC SCM19 is a 2-way Passive Sealed Bookshelf speaker by ATC. It was released in 2022. It features a 0.98" Tweeter and 1 x 5.91" Woofer.
HF ATC 25mm Neodymium soft dome, Mid/LF ATC 150mm SL
The speaker has a frequency range of 54-22k Hz and a sensitivity of 85 dB. ATC SCM19 has an MSRP of 3749$ per pair.
Room Size Suitability
The size of the room where you plan to use the ATC SCM19 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.)
**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 SCM19 Speaker
ATC SCM19 has a Frequency response range of 54-22k Hz at ±3dB and Power Range of 75 to 300 Watts watts. With a minimum frequency of 54 Hz, SCM19 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 SCM19'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 SCM19?
Among the speakers in our database with a max MSRP price of 5000$ (Pair), these are the 5 Passive Bookshelf speakers that have the deeper bass levels than the ATC SCM19's 54Hz:
Crossover frequency of the ATC SCM19?
The crossover frequency of the SCM19 is set to 2.5kHz. 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 SCM19'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 SCM19 is not considered a difficult to drive speaker from nominal Impedance perspective.
Sensitivity
With a sensitivity level of only 85 dB, ATC SCM19 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 SCM19 plays in your room →
What amplifier does the ATC SCM19 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 $5,000, or every amplifier we cover.
Input Type
SCM19 features Binding Posts/4mm Plugs, bi-wire type connectors. Bi-amping and Bi-wiring are not possible.
Work out what gauge speaker cable this run needs →
ATC SCM19 External Dimensions and Weight
ATC SCM19 has external dimensions of (Height x Width x Depth) 17.24 x 10.43 x 11.81inch (438.0 x 265.0 x 300.0mm ).
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 SCM19 is approximately 795.0cm2 / 123.2inch2.
Find speakers that fit your shelf or alcove → · Work out where they should sit in the room →
WeightThe ATC SCM19 weighs 17.80kg / 39.2lbs per piece. Here is a comparison of how SCM19's weight compares with the average, max and min weights in its class.
Weight
All Bookshelf Speakers
Weight
Bookshelf Speakers under $5000
Cabinet type and Materials
ATC SCM19 has a
Sealed type cabinet.
Wall Mounting
SCM19 doesn't sport any built-in mounting bracket, so you need an external structure to mount it on walls.
Does the ATC SCM19 come with a Grille?
SCM19 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 SCM19.
- 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 SCM19 speaker can be found below:
Official Product Page for ATC SCM19