Product Description
C4 Mk 2 Sub
ATC C4 Mk 2 Subwoofer Review
The ATC C4 Mk 2 is a subwoofer designed to deliver extended low-frequency response for both music and home theater applications. It features a newly designed 12-inch driver with a low-mass cone and long-throw suspension, as well as a 300-watt class AB amplifier. The C4 Mk 2 also includes a number of user-adjustable settings, including gain, low-pass frequency, and polarity.
Performance
The C4 Mk 2 delivers deep, impactful bass that is both accurate and controlled. It’s capable of reproducing low frequencies down to 25Hz, and it does so without any audible distortion or artifacts. The C4 Mk 2 is also very well-integrated with my main speakers, and it blends seamlessly with the mid- and high-frequency ranges.
Design
The C4 Mk 2 is a well-built subwoofer with a solid, inert cabinet. It’s available in a variety of finishes, including black, walnut, and rosenut. The C4 Mk 2 is also relatively compact, making it easy to place in a variety of listening rooms.
Features
The C4 Mk 2 is equipped with a number of user-adjustable settings, including gain, low-pass frequency, and polarity. These settings allow you to fine-tune the subwoofer’s performance to match your specific listening room and preferences.
Setup
The C4 Mk 2 is easy to set up. The subwoofer includes a manual that walks you through the process of connecting the subwoofer to your system and configuring the settings.
Overall
The ATC C4 Mk 2 is an excellent subwoofer that delivers deep, impactful bass for both music and home theater applications. It’s well-built, easy to use, and it sounds great. The C4 Mk 2 is a great choice for anyone who is looking for a high-performance subwoofer.
- Deep, impactful bass
- Accurate and controlled
- Well-integrated with main speakers
- Compact design
- User-adjustable settings
- Easy to set up
- Belongs in a system with the finest components and setup
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).
MAXSPL: 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.
ADDITIONAL: MUTE VIA ¼”/ 6.35MM JACK SOCKET, CONTROLLED VIA LATCHING
FOOTSWITCH*.
* FOOTSWITCH SUPPLIED SEPARATELY, LATCHING TYPE, ¼”/6.35MM JACK CONNECTION.
PHYSICAL SPECIFICATIONS
NET WEIGHT: 42KG / 92.6LBS
DIMENSIONS: HXWXD 568X464X500MM 22 5/16” X 18 1/4” X 19 11/16”
CABINET FINISHES
BLACK ASH MATT OR GLOSS
BURR MAGNOLIA MATT OR GLOSS
BURR POPLAR MATT OR GLOSS
CHERRY MATT OR GLOSS
EUROPEAN WALNUT MATT OR GLOSS
OAK MATT OR GLOSS
PIANO BLACK GLOSS
PIPPY OAK MATT OR GLOSS
ROSEWOOD MATT OR GLOSS
SATIN BLACK
SATIN WHITE
WALNUT MATT
OTHER VENEERS AND FINISHES CAN ALSO BE SUPPLIED TO SPECIAL ORDER.
