Help me identify this driver !

postman · 2nd November 2003, 12:57 PM

Theres some writing on the magnet, here it is:

AD12 100 / M8

2422 /25 / 51002

DD 07 /210 111

Thats all that i know about it. Did some searching on google, and a AD12 woofer was made by celestion a while back, but cant find any pictures to match it.

Any help would be greatly appreciated !

Nisbeth · 2nd November 2003, 02:00 PM

AD12 sounds like a Philips-code. It also looks like a Philips driver from maybe 15-20 years ago. Not sure how much help this is though

/U.

postman · 2nd November 2003, 02:08 PM

Just found out there definately not celestion ad12's. No luck finding out what they are though.

planet10 · 2nd November 2003, 03:40 PM

They are Philips... the model is AD12, they are nominal 8 ohms. The last number is a date code, but one of the more insctruable ones.

dave

Leonidas · 11th November 2003, 01:49 PM

I didn"t found the originals.
However...., according to Philips conversion list , this one is about the same.
In case my files are not clear some important figures:
Fs 45Hz
sens. 98 dB
Qm: 4,29 Qe:0,97 Qt:0,80
Bl:9.3Wb/m
Vas 122L
Looks okee for open baffle (with supertweeter)
Wish you succes!!

Please notify me if attachment(zip) has arrived (newbee!!)

If you want help , give help first.

2nd November 2003, 12:57 PM	#1
postman diyAudio Member Join Date: Nov 2002 Location: Sydney Australia	Help me identify this driver ! Theres some writing on the magnet, here it is: AD12 100 / M8 2422 /25 / 51002 DD 07 /210 111 Thats all that i know about it. Did some searching on google, and a AD12 woofer was made by celestion a while back, but cant find any pictures to match it. Any help would be greatly appreciated ! __________________ meh

2nd November 2003, 02:08 PM	#3
postman diyAudio Member Join Date: Nov 2002 Location: Sydney Australia	Just found out there definately not celestion ad12's. No luck finding out what they are though. __________________ meh

2nd November 2003, 03:40 PM	#4
planet10 frugal-phile(tm) diyAudio Moderator Join Date: Oct 2001 Location: Victoria, BC, NA, Sol III Blog Entries: 4	They are Philips... the model is AD12, they are nominal 8 ohms. The last number is a date code, but one of the more insctruable ones. dave __________________ community sites t-linespeakers.org, frugal-horn.com ........ commercial site planet10-HiFi p10-hifi forum here at diyA

11th November 2003, 01:49 PM	#5
Leonidas diyAudio Member Join Date: Nov 2003 Location: Eindhoven	I didn"t found the originals. However...., according to Philips conversion list , this one is about the same. In case my files are not clear some important figures: Fs 45Hz sens. 98 dB Qm: 4,29 Qe:0,97 Qt:0,80 Bl:9.3Wb/m Vas 122L Looks okee for open baffle (with supertweeter) Wish you succes!! Please notify me if attachment(zip) has arrived (newbee!!) If you want help , give help first. __________________ Leon

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2nd November 2003, 02:00 PM	#2
Nisbeth diyAudio Member Join Date: Jan 2001 Location: Denmark	AD12 sounds like a Philips-code. It also looks like a Philips driver from maybe 15-20 years ago. Not sure how much help this is though /U.

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