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Technical Information
THIEL CS.5
Coherent Source
Loudspeaker
This paper describes some of the technical performance aspects, design
considerations and features of the THIEL model CS.5 loudspeaker system. It is
intended to supply information for those who are interested in such matters. It is not
intended to imply that good measured technical performance is sufficient to
guarantee good sonic performance.
THIEL • 1026 Nandino Boulevard • Lexington, Kentucky 40511 • USA
Telephone: 859-254-9427 • Fax: 859-254-0075 • E-mail: mail@thielaudio.com
Web: www.thielaudio.com
®
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Related Manuals for Thiel Coherent Source CS.5
Summary of Contents for Thiel Coherent Source CS.5
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Page 1: Technical Information
Loudspeaker This paper describes some of the technical performance aspects, design considerations and features of the THIEL model CS.5 loudspeaker system. It is intended to supply information for those who are interested in such matters. It is not intended to imply that good measured technical performance is sufficient to guarantee good sonic performance. - Page 2 THIEL speakers are not intended to mask or mitigate shortcomings of the recording or other components in the music playback system.
- Page 3 THIEL CS.5 SPECIFICATIONS Bandwidth (-3dB) Amplitude response Phase response Sensitivity Impedance Recommended Power Size (W x D x H) Weight Driver Complement: Woofer " (5" radiating area) with treated paper cone, cast frame, 1" diameter voice coil. Underhung coil (short coil/long gap) motor system.
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Page 4: Frequency Response
Therefore, even more important than the maximum amount of response error at any frequency is the octave averaged, octave-to-octave balance which has a very high correlation with perceived tonal balance. Our design goal for the CS.5 was to achieve octave-averaged response within 1dB from 100Hz up to 10KHz with even tighter tolerance within the midrange from 200Hz to 3KHz. -
Page 5: Time Response
360 phase rotation at each crossover point. Since 1978 THIEL has employed first-order (6dB/octave) crossover systems in all our Coherent Source speaker systems. A first-order system is the only type that can achieve perfect phase coherence, no time smear, uniform frequency response, and uniform power response. -
Page 6: Energy Storage
Figure 5 shows the step response of the CS.5. To reduce cabinet wall vibration the CS.5 speaker utilizes cabinet walls constructed with very thick, 1" MDF. Also, to increase the mechanical rigidity and therefore reduce unwanted vibration, all THIEL drivers incorporate chassis of cast magnesium or aluminum rather than stamped steel or plastic. - Page 7 In practice, none of these three conditions actually exist but the CS.5 woofer incorporates refinements of design that greatly improve the accuracy of each of these factors.