ATC C3C Version 3



  • Compatible ATC products for surround sound system: SCM 11, SCM 19, SCM 40.
  • New ATC designed and built 25mm soft dome HF unit with precision alloy wave guide.
  • Twin ATC 150mm “CLD”mid/bass drivers.
  • Precision undercut bass pole.
  • Massive FEA optimised motor assemblies.
  • In-house, hand wound precision flat wire coils.
  • Flat impedance curve allowing easy load for amplifiers.
  • 6 year warranty.

Recommended Configuration

Front Channels / Rear Surround SCM11
Centre Channel C3C
Sub Bass C1 Sub
Upgrade Path Front/Rear SCM19, SCM40C6 Sub
SKU: ATCC3C Categories: , ,

Product Description


The new C3C (V.3) delivers dynamic wide-bandwidth accuracy and outstanding vocal intelligibility at the center of the compact ATC 5.1 channel system for audiophile film and music enthusiasts.

The C3C driver systems feature ATC’s acclaimed SH25-76 dual-suspension tweeter, designed and built in-house according to the brand’s rigorous low-compromise regimen for exceptionally low distortion and an extended high frequency response. The tweeter’s 15,000 gauss (1.5 tesla) neodymium magnet has a black heat-treated top plate, which dissipates heat away from the voice coil to maintain high power handling and low power compression. A precision-machined 5.5mm rigid alloy waveguide provides optimum dispersion, a flat on-axis frequency response and resonance-free operation.

In each system the tweeter sits between two mid-bass drivers identical in design to those employed by the corresponding L/R main loudspeaker. The new C3C design uses the SCM11’s CLD 150mm mid-bass driver incorporating a 45mm soft dome. Exclusive to ATC, Constrained Layer Damping offers reduced harmonic distortion between 300Hz and 3 kHz, an extended frequency response and improved off-axis performance.

The new C3C incorporates all new crossovers developed from the SCM7 and SCM11 designs, involving metallized polypropylene capacitors, large air cored inductors and ceramic wire-round resistors to offer superior power handling and clarity. Consequently, and in common with the SCM7 and SCM11, the center-channel systems exhibit an impedance curve free from low values and extreme phase angles, presenting an easy load for amplifiers of 75 to 300 watts.

A new compact ATC 5.1 channel speaker systems combine C3C with the SCM7, SCM11 and ATC ‘C1 sub’ active subwoofer to energize multichannel applications with the brand’s signature virtues of neutral fidelity, wide bandwidth and high dynamic range. The C3 system unites the C3C with matching SCM11s in the front, and for ‘family-friendly’ installation, the SCM7s in the surround positions.

Engineered to complement the SCM7 and SCM11 both visually and acoustically, the C3C employ a high quality cabinet construction, braced for high rigidity and damping. All system components are hand- finished in either real cherry-wood or black ash veneers.

Manufactured entirely in-house, ATC’s C3C center-channel designs offer the ownership of hand-built, finely engineered speaker systems, world renowned for audio accuracy. Like all ATC products, the new center and 5.1 channel systems are backed by a six-year warranty.

Drivers: HF ATC 25mm Neodymium, Mid/LF 150mm CLD
Matched Response: +/- 0.5dB
Frequency Response (-6dB): 54Hz–22kHz
Sensitivity: 88dB @ 1W @ 1metre
Max SPL: 108dB
Nominal Impedance: 8 Ohm
Recommended Power Amplifier: 75 to 300 Watts
Crossover Frequency: 2.2kHz
Cabinet Dimensions (HxWxD): 230x500x303mm (grill adds 28mm depth)
Weight: 18kg

Additional Information


Black, Cherry, White