Thiel CS2.4 Product Support Bulletin
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Product Review – Thiel CS2.4 Floor-Standing
Speakers – July, 2003
Introduction
Thiel Audio is a medium sized speaker
manufacturer, co-owned by Jim Thiel,
who is Chief Engineer and CFO, and
Kathy Gornik, who is President and
Marketing Director. Located in
Lexington, Kentucky, the company is 25
years old and has garnered many
awards for their various models.
The Design
This is our first review of Thiel speakers,
with the newly released model CS2.4.
They are a floor-standing speaker, with
a tweeter and midrange driver that
share the same voice coil.
This results in a coincident sound for
the highs and mids, meaning that they
are coming from the same spot on the
enclosure. It is a technology developed
in 1997 for the CS2.3s, and has also
been used in their PCS and MCS1
speakers. The version in the CS2.4 is
improved over the one in the CS2.3.
The photo below shows a close-up of
the tweeter/mid driver. The center 1" is
the tweeter, with a small black rubber
surround, then the midrange driver, and
its surround. The crossover between the
midrange and tweeter is mechanical
rather than having capacitors and
inductors in the signal path.
The woofer is 8" in diameter, and below
this is a 7 1/2" x 11" passive radiator. All
the drivers use metal cones.
Electrical crossover between the woofer
and tweeter/mid is first order, at 1 kHz.