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Old 7th September 2020, 07:53 PM   #1
Bigfox is offline Bigfox
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Default Help identify this 15” woofer

No markings on it - the vent hole is size of 1/2 dollar - it was in an older JAMO D-600 home sub - I took off the amplifier and sealed box ( it was a sealed sub to begin with ) about 1.3 cf - it sounds great running off my old school 150x2 a/b amp bridged . Why such a large vent hole on it ?
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Old 7th September 2020, 08:00 PM   #2
JMFahey is offline JMFahey  Argentina
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"No markings" ..... and what´s that stamped on magnet?
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Old 7th September 2020, 08:09 PM   #3
Bigfox is offline Bigfox
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This is the stamp
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Old 7th September 2020, 08:14 PM   #4
Bigfox is offline Bigfox
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I emailed Klipsch - the stamp is some #s and letters - my search using them did not turn up anything
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Old 8th September 2020, 07:16 AM   #5
tonskulus is offline tonskulus  Finland
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Vent hole is for voice coil cooling. Almost every high power woofers has big vents.

Last edited by tonskulus; 8th September 2020 at 07:19 AM.
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Old 8th September 2020, 08:01 AM   #6
TBTL is offline TBTL  Germany
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Quote:
Originally Posted by Bigfox View Post
I emailed Klipsch - the stamp is some #s and letters - my search using them did not turn up anything
But it came out of a Jamo sub?

OEM woofers usually do not have a public datasheet etc. available, so there is no information to be found on the web. They might be tailor made for the application from a bunch of off the shelf coils, spiders etc. If you want information, the best option is to measure the Thiele Small parameters yourself.

Last edited by TBTL; 8th September 2020 at 08:03 AM.
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Old 8th September 2020, 11:23 AM   #7
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Jamo is partners with Kiipsch / Energy
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