Performance Summary; Specifications - Thiel CS3.7 Product Support Bulletin

Performance Summary

The CS3.7 achieves the following major performance
attributes:
• Extremely accurate tonal response achieved by exceptionally
accurate frequency response, very low diffraction, and
elimination of significant resonances. Octave-averaged
response is within ±0.5 dB.
• Very high resolution of detail achieved by drastic reduction
of audible diaphragm resonances, very non-resonant,
sonically inert cabinet, time coherence, extensive use
of premium quality polystyrene and polypropylene
crossover capacitors and numerous other details of design,
engineering, and construction.
• Truly realistic and natural imaging provided by complete
elimination of phase distortion (true minimum phase
response), time coherence, exceptionally wide and even
dispersion of energy at all frequencies enhanced by first-
order crossover system, low diffraction, and very low levels
of delayed resonant energy.
• Preservation of dynamic contrasts achieved by very low
driver distortion, high efficiency, very low delayed energy
storage, and very low power and thermal compression.
THIEL CS3.7 in Morado finish with optional Outriggers.

Specifications

Driver complement:
Tweeter: 1 in. (2.5 cm) aluminum dome, 64 g (2.3 oz.)
Midrange: 4.5 in. (11.5 cm) with wave-shaped aluminum
Woofer: 10 in. (25.4 cm) with wave-shaped aluminum
Passive Bass Diaphragm: 10 in. (25,4 cm) wave-shaped
Bandwidth (-3 dB)
Frequency response
Phase response
Sensitivity (2.8v - 1m, true anechoic)
Impedance
Recommended power
Size (w x d x h)
Weight
25
20
15
10
-5
-10
The
The
correlates with perceived tonal balance.
The
correlates with the room's ambient energy.
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neodymium magnets, copper pole sleeve, short
coil/ log gap design with 3 mm Xmax, coincidently
mounted with midrange
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
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
diaphragm
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5
0
20 100
Frequency
blue graph is the on-axis anechoic frequency response.
green graph is the octave-averaged on-axis response. This
red graph is the octave-averaged 30° off-axis response. This
12.6" / 32 cm
32 Hz - 35 kHz
33 Hz - 26 kHz ±2 dB
minimum ± 10°
90 dB
. . . . . . . . . . . . . . . . . . . . .
4 ohm (2.8 ohm min)
100 - 600 watts
12.5 x 21 x 45 inches
(32 x 53 x 114 cm)
91 lb (41.5 kg)
10K 20K
1K
18.9" / 48 cm
21.3" / 54 cm
7