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ATC C4 Sub Mk2 12" Subwoofer
$5,999.00
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Key Features:
- High performance sealed box design using 12”/314mm ATC proprietary sub driver.
- Ideal partner to SCM19, SCM20, SCM40, SCM50 & SCM100.
- Suitable for use in stereo, home cinema and AV applications.
- On-board 300W convention cooled discrete MOSFET class A/B amp.
- 2 x balanced XLR inputs 2 x balanced XLR outputs (un-filtered/processed).
- User adjustable gain, low pass frequency, polarity and phase set
Product Description:
The ATC C4 Sub Mk2 stands as a pinnacle of audio engineering, featuring a 12” active subwoofer meticulously crafted to complement ATC’s active and passive loudspeaker series. Engineered with a sealed-box design, it strikes an ideal balance between sub-bass extension and precise driver control. The C4 Sub Mk2’s cabinet is crafted from heavy, inert materials to minimize coloration for pristine sound.
Harnessing the power of the SS75-314SC driver, this subwoofer system masterfully reproduces the lowest audio octaves with minimal distortion. Its convection-cooled amplifier resides discreetly within the rear cabinet. Equipped with balanced inputs and outputs, it seamlessly integrates into stereo, multi-channel, or immersive audio setups.
Fine-tuning is effortless with a 21dB gain control range, three low pass frequency settings, polarity switch, and a 180-degree phase setting. Whether partnered with loudspeakers or external processing, it adapts flawlessly, catering to a wide spectrum of preferences.
Moreover, its amplifier features intelligent fault monitoring, indicated by a single red LED, ensuring seamless operation. A latching footswitch, connected through a ¼”/6.35mm jack, allows easy muting of the subwoofer output without affecting the primary loudspeakers.
Acoustic Specifications:
|
Drive Unit - Bass |
1 x SS75-314SC 8Ω |
|
Low Frequency Cut-off |
22Hz (-6dB, half space, low pass filter set at 80Hz). |
|
Low Pass Filters |
50Hz, 65Hz, 80Hz, 320Hz. (-6dB, 4th order Linkwitz Riley). |
|
Max SPL |
110dB continuous, 116dB peak (IEC Weighted Pink Noise, 1m, half space, low pass filter @ 80Hz). |
|
Sensitivity |
+4dBu ref. 88dBC (single channel driven, Gain +6dB, Level 0dB, pink noise, low pass filter @ 80Hz) |
Electronic Specifications:
|
Amplifier Type |
Grounded Source MOSFET based Class A-B, convection cooled. |
|
Output Power |
300W in to 8Ω |
|
THD+N |
<0.003%/-90dB, at 100Hz, 300W into 8Ω over 90kHz bandwidth |
|
Balanced Inputs |
2 x Rear Panel Mounted Female XLR, pin 2 hot. |
|
Input CMRR |
90dB at 200Hz. |
|
Input Impedance |
20kΩ (differential). |
|
Balanced Outputs |
2 x Rear Panel Mounted Male XLR, pin 2 hot. |
|
Output Impedance |
100Ω (differential). |
|
Frequency Response |
<2Hz (-3dB) – 320Hz (-6dB, set by panel-controlled LP filter). |
|
Low Pass Filters |
4th Order Linkwitz Riley |
|
Gain Control |
0, +6dB, +10dB. |
|
Level Control |
0dB -11dB in 1dB steps. Total range 21dB with use of Gain switch. |
|
Phase Control |
0-180° ref. Input. |
|
Polarity Control |
In-phase/Out-of-phase ref. Input. |
|
Limiter |
ATC Active FET Momentary Gain Reduction. |
|
Sensitivity |
1.55Vrms for full power (single channel driven, Gain 0dB, Level 0dB) |
|
Mains Input |
220-230V or 115V – Factory set. Please observe panel markings and labels! |
|
Power Consumption |
Idle 8W/14VA. 1/8th Power 170W/230VA. Full Power 500W/600VA |
|
Finishes |
Walnut, Oak, Cherry, Black Ash, Black Satin, White satin. Additional veneers and finishes can also be special ordered, please contact our sales team for more information |
|
Additional |
Mute via ¼”/ 6.35mm Jack socket, controlled via latching footswitch* *Footswitch supplied separately, latching type, ¼”/6.35mm jack connection. |
Dimensions and Weight:
Overall - 22 5/16” H x 18 1/4” W x 19 11/16” D (568 x 464 x 500 mm)
Product Weight - 92.6 lbs (42 kg)
User Manual
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