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THIEL POWERPOINT SPECIFICATIONS

Bandwidth (-3 dB)

Amplitude response

Phase response

Sensitivity

Impedance

Recommended Power

Size (W x D x H)

Weight

Driver Complement:

Woofer

6.5" (5.1" radiating area) with anodized aluminum cone, cast frame, 1.7"

dia voice coil. Underhung coil (short coil/ long gap) motor system. Linear
travel 

3

/

16

" pk-pk, 3 in

3

 linear displacement. 7.5 oz. neodymium magnet.

Copper pole sleeve. Made by THIEL.

Tweeter

1" (1.2" radiating area) with anodized aluminum dome.  Aluminum coil.

Underhung coil (short coil/long gap) motor system. Linear travel 

1

/

8

" pk-pk.

Powered by 5 neodymium magnets weighing 1.7 oz. Copper pole sleeve.
Ferrofluid. Coincident with woofer. Made by THIEL.

75 Hz - 20 kHz

75 Hz - 20 KHz 

±

3 dB

minimum 

±

10

°

89 dB @ 2.8 v-1m

4

, 3

 minimum

30-200 watts

19.75 x 12.5 x 5.5 inches

10 lb

Supplemental
Technical Information
for model

THIEL PowerPoint

Coherent Source

®

 Loudspeaker

This paper contains only information specific to the PowerPoint speaker
system. It is intended to supplement the general technical information paper
which explains our engineering philosophy, goals and techniques.

1/00

Summary of Contents for PowerPoint 1.2

Page 1: ...odized aluminum dome Aluminum coil Underhung coil short coil long gap motor system Linear travel 1 8 pk pk Powered by 5 neodymium magnets weighing 1 7 oz Copper pole sleeve Ferrofluid Coincident with woofer Made by THIEL 75 Hz 20 kHz 75 Hz 20 KHz 3 dB minimum 10 89 dB 2 8 v 1m 4Ω 3Ω minimum 30 200 watts 19 75 x 12 5 x 5 5 inches 10 lb Supplemental Technical Information for model THIEL PowerPoint C...

Page 2: ...akers significant advantages in room coverage and placement flexibility are provided In ceiling applications the advantages are great Whereas most speakers direct their energy straight downward and therefore provide reasonable sound only for listeners near the 10K Frequency 1K 25 20 15 10 5 0 5 10 100 20 20K Amplitude dB On wall cabinet response Conventional in wall speakers used in ceiling applic...

Page 3: ...dicating very clean inter transient silence Such performance is the result of metal diaphragms that have no resonances within their operating frequency range and strong non resonant cabinet construction 10K Frequency 1K 25 20 15 10 5 0 5 10 100 20 20K Amplitude dB Time msec 0 5 1 0 Output 1 5 2 0 2 5 Time msec 0 5 5 0 5 10 15 20 25 30 35 1 0 Output dB 1 5 2 0 2 5 Coaxial tweeter response To mainta...

Page 4: ...t woofer In addition to the already discussed feature of a shallow reinforced aluminum diaphragm the PowerPoint s woofer also incorporates several other high performance features Among these are a very low distortion short coil long gap motor system and a copper sleeve around the magnetic pole to reduce the distortion component of the voice coil inductance Please see our generic technical informat...

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