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Siemens C72233-A10-A7 coax10"
Siemens C72233-A10-A7 coax10"
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Old 7th March 2011, 12:21 AM   #1
VadimB is offline VadimB  United States
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Default Siemens C72233-A10-A7 coax10"

Anybody here knows anything about these drivers?
I've been asked if I can design an enclosure for these, but I don't have them to measure. Any information would be appreciated:
- specs
- measurements
- how were they originaly used


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Old 9th October 2012, 07:31 AM   #2
gjm is offline gjm  United Kingdom
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How late to this am I?

Still, in the interests of posterity and hoping this will be of use to someone, sometime... (Taken from SIEMENS C72233-A10-A7の仕様 シーメンス)

Coaxial type speaker system combining a 25cm cone woofer and 9cm cone tweeter. The front is equipped with an acoustic lens, increasing the degree of diffusion of the high-frequency range. The input impedance of the coaxial speakers Siemens are unified in 15Ω. When an 8Ω for efficiency, there is a problem on the characteristics of the output of the amplifier you are using is recommended that you use between the power amplifier and the speaker impedance matching transformer.

Model: Full-range coaxial
Low: 25cm cone
High: 9cm cone
Impedance: 15 Ω
Max power: 10W
Freq: 60Hz 16kHz
Fr: 65Hz
Induction: 1.2 T
Magnetism: 0.819mWb
Sensitivity: 98dB/1W

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