PMC 6-2 VS ATC SCM45A: How are they different?
Total wattage, ATL vs MOSFET amplification, input sensitivity, and size.
PMC 6-2 Studio Monitors
TC SCM45A Studio Monitors
| Specification | PMC 6-2 Studio Monitors | ATC SCM45A Studio Monitors |
|---|---|---|
| Type | Active 3-way studio reference monitor | Mid-sized, high-performance active 3-way studio monitor |
| Powered | Yes | Yes |
| Power Configuration | Quad-amplified | Tri-amped |
| LF Driver Size | 2 x 6" (150mm woofers) | 2 x 6.5" |
| MF Driver Size/Type | 55mm soft dome | 3" soft dome |
| HF Driver Size/Type | 27mm soft dome | 1" dual-suspension Super Tweeter |
| LF Driver Power Amp | 2 x 400W | 150W rms |
| MF Driver Power Amp | 400W | 60W rms |
| HF Driver Power Amp | 400W | 25W |
| Total Power | 1600W | 235W |
| Frequency Response | 40Hz–25kHz (+/- 3dB) | 42Hz-25kHz (-6dB, free-standing), Amplitude Linearity (+/-2dB): 70Hz-17kHz |
| Maximum Peak SPL | 121dB @1m | 112dB |
| Input Types | XLR (Analog/digital AES3 switchable), Output XLR (AES/EBU) | 1 x XLR |
| Enclosure Type | Front Ported | Ported |
| Enclosure Material | Medite Resonance Damped Composite | Not specified |
| Height | 15.7" | 13.9" |
| Width | 16.9" | 23.6" |
| Depth | 14.6" | 14.8" |
| Weight | 47 lbs. | 79.2 lbs. |
| Crossover Frequencies | Not directly specified | 380Hz, 3.5kHz |
| Additional Features | Advanced Transmission Line (ATL) technology, ICEPower amplification, Effective ATL length: 2 meters | Proprietary drivers, Discrete MOSFET Class A/B amplification, ATC's 6-year warranty |
Price Tracker for the PMC 6-2 and ATC
Prices updated Fri, August 21st, 2026.
PMC PMC 6-2
$11,825.00
Sweetwater.com
ATC SCM45A Pro Dual 6.5-inch 3-way Powered Studio Monitors
$13,990.00
Sweetwater.com
Differences Between the 6-2 and SCM45A
- Drivers and Power Amplification: The PMC 6-2 employs two 150mm bass drivers and a quad-amplified system totaling 1600W, while the ATC SCM45A Pro uses two 6.5" bass drivers with a tri-amp system totaling 235W.
- Technology: PMC 6-2 utilizes Advanced Transmission Line (ATL) technology for bass and midrange clarity, whereas the ATC SCM45A Pro employs discrete MOSFET Class A/B amplification and proprietary drivers for life-like playback.
- Input Sensitivity and Connectivity: The PMC 6-2 supports a higher input sensitivity and has switchable XLR inputs between analog and digital AES, plus a digital AES output, which contrasts with the ATC SCM45A's simpler XLR input configuration.
- Physical Dimensions and Weight: The PMC 6-2 is more compact and lighter compared to the ATC SCM45A Pro, making it potentially more suited for spaces where size and portability are considerations.
Similarities Between the ATC and PMC Monitors
- Both are active 3-way studio reference monitors.
- Each uses proprietary technology and drivers for enhanced audio performance.
- Both feature a tri-amped power configuration.
- Each monitor incorporates advanced design for improved bass response and midrange clarity.
- Both sets of monitors are designed for professional studio environments, including recording, mixing, and mastering applications.
- Each offers a wide frequency response range extending into the high 20kHz area.a
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Written by Bobby Kittleberger on Pro Audio & Reviews
Written by Bobby Kittleberger on Pro Audio & Roundups
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