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CS2.4

The CS2.4 is the result of THIEL's more than 25 years of extensive experience in designing high performance loudspeakers for home music and video sound systems. Since 1977, THIEL's innovative engineering has led to significant sonic improvements in each new model, resulting in speakers with the most outstanding performance in their class.

All-metal diaphragm drivers
The CS2.4 is a three-way system incorporating all THIEL-designed and built metal diaphragm drivers--a 1-inch dome tweeter, 3.5-inch midrange driver, and 8-inch woofer--along with a 7.5 x 11-inch passive radiator. Metal diaphragms provide much higher stiffness which eliminates diaphragm resonances in the operating range for very clear and open reproduction.

The CS2.4 drivers also use unusual short coil/long gap, copper-stabilized motor systems to dramatically reduce distortion. Coupled with the low resonance diaphragms and very high quality electrical network components, a very high level of clarity and tonal accuracy is achieved.

Completely Time and Phase Coherent
As with all THIEL loudspeakers, the CS2.4 is completely time and phase coherent for much greater sonic realism. THIEL's Coherent Source (R) technology achieves the elimination of both time and phase distortions that cause alterations in the reproduced musical waveforms of most loudspeakers. Eliminating these distortions results in enhanced realism, clarity, transparency and immediacy as well as improved imaging and soundstaging in both the lateral and depth perspectives. Phase coherence in the CS2.4 is achieved by utilizing a sophisticated first-order electrical crossover system in conjunction with unusually wide bandwidth drivers. Time coherence is achieved by coincident tweeter/midrange driver mounting and the placement of the drivers on a baffle that is sloped at the correct angle to cause the sound energy from each to reach the listener at the same time.

  CS2.4 Specifications
Bandwidth (-3 dB): 33 Hz-37 kHz; Amplitude Response: 36 Hz-25 kHz +/-2 dB; Phase Response: Minimum ±10 degrees; Sensitivity: 87 dB@2.8 V-1m; Impedance: 4 ohms (3.0 ohms minimum); Recommended Power: 100-400 watts; Cabinet Dimensions: 11 inches wide x 14 inches deep x 41.5 inches high; Weight: 70 pounds

 

  New coincident driver array
The new CS2.4's most innovative design feature is a newly designed coincident tweeter/midrange driver where the two drivers' diaphragms share the same voice coil. This technique allows for the elimination of the midrange/tweeter section of the electrical crossover network as the drivers incorporate a mechanical crossover. Along with eliminating the need for two driver magnet structures, these reductions allow the CS2.4 to achieve a level of sonic performance normally reserved for more expensive speakers. The coincident array also uses very powerful neodymium magnets to improve efficiency and a redesigned magnet venting system to reduce unwanted resonances.

 

 

 

  Metal diaphragm, low distortion woofer
The CS2.4's 8-inch woofer uses a very low distortion short coil/long gap motor system, powered by a 2.5 pound magnet. The rigid aluminum diaphragm eliminates resonance coloration, a special copper pole sleeve reduces inductance distortion, and a heavy copper ring maintains an ultra-stable magnetic field. In combination with the 7.5 x 11-inch bass radiator, the woofer produces exceptionally clean bass down to 33Hz.