Thiel CS3.7 Natural Cherry

The CS3.7 is designer Jim Thiel’s passion realized. This revolutionary design delivers an unprecedented purity of sound for the most realistic sound reproduction possible. Incorporating all newly developed drivers and cabinet, the CS3.7 is an engineering marvel that achieves a level of performance not available before at any price.

The specs are as follows:
Driver complements:
Tweeter: 1 in. (2.5 cm) aluminum dome, 64 g (2.3 oz.)
neodymium magnets, copper pole sleeve, short
coil/ log gap design with 3 mm Xmax, coincidently
mounted with midrange
Midrange: 4.5 in. (11.5 cm) with wave-shaped aluminum
diaphragm, 3 in. diameter voice coil, 115 g (4 oz.)
neodymium magnet, copper pole sleeve, short coil/ .
long gap design with 6 mm Xmax, die-cast chassis
Woofer: 10 in. (25.4 cm) with wave-shaped aluminum
diaphragm, 3 in. diameter voice coil, 5 lb. (2.27 kg)
magnet in a 13 lb. (5.9 kg.) structure, copper pole
ring, copper pole sleeve, short coil/ long gap design
with 14 mm Xmax, die-cast chassis
Passive Bass Diaphragm: 10 in. (25,4 cm) wave-shaped
diaphragm
Bandwidth (-3 dB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Hz - 35 kHz
Frequency response . . . . . . . . . . . . . . . . 33 Hz - 26 kHz ±2 dB
Phase response . . . . . . . minimum ± 10°
Sensitivity (2.8v - 1m, true anechoic) . . . . . . . . . . . . . . . . . . . . . 90 dB
Impedance . . . . . . . . . . . . . . . . . . . . 4 ohm (2.8 ohm min)
Recommended power . . . . . . . . . . . . . . . . 100 - 600 watts
Size (w x d x h) . . . . . . . . . . . . . . . . . . 12.5 x 21 x 45 inches
(32 x 53 x 114 cm)
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 lb (41.5 kg)