Help Needed for Norelco AD5200 12" - diyAudio
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Old 28th August 2007, 12:29 PM   #1
Norelco is offline Norelco  Philippines
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Default Help Needed for Norelco AD5200 12"

Presently im using my Norelco AD5200 in to my open baffles (Old Japanese design) i seen from JElabs. but now im planning to build cabinet. please advise on which existing designs i can use.. is it possible to use a horn loaded design? if possible pleeease send drawing..

Thank you very much in advance..

Regards
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Old 29th August 2007, 03:47 PM   #2
Simei is offline Simei  Singapore
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Hi Norelco,

I have a pair of Philips AD12202 similar to your Norelco AD5200. I fitted them in a Backloaded Horn Enclosure. They produce very good sound. Warm, smooth and rich bass. The enclosure is emulated JBL C34 design. The following is the enclosure design:

Click the image to open in full size.Click the image to open in full size.



Good luck!!! Cheers!!!


David
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Old 31st August 2007, 09:17 AM   #3
Norelco is offline Norelco  Philippines
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Thanks for the advice , did you put add'l tweeter to support the hi frequency? sorry i cannot view the pictures you inserted to your reply.. what amplifier are you using? do you think is it ok to use into a ST70 Dynaco power amp?? if is ok to you to you to post the plan / drawing?

Thanks & Regards
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Old 1st September 2007, 04:52 AM   #4
Simei is offline Simei  Singapore
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Hi Norecol,

The Philips AD 12202 is quite easy to drive with most tube amps (300B, 6v6, EL84, Darling amp 1626 etc...). I do add a super tweeter to cover the high range as it roll off at 12,000hzs.

The amp in the photo is Consonance M99 plus, Rated at 20W. Very sweet and smooth sounding amp. Your Dynaco ST70 should have no problem with the AD5200.

You can see the enclosure plan at this link:

http://www.lansingheritage.org/html/jbl/plans/C34.htmClick the image to open in full size.

Good Luck!!! Cheers!!!
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Old 1st September 2007, 07:02 PM   #5
Norelco is offline Norelco  Philippines
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Thank you very much simei.. , im so very excited to hear this speaker.. by the way.. did you put damping material inside???

More thanks again & regards..
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Old 2nd September 2007, 01:54 AM   #6
Simei is offline Simei  Singapore
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Join Date: Sep 2006
Hi Norelco,

I put rock-wool in the enclosure (as indicated in the attached picture) as damping material. It is advised that you don't put too much damping in the enclosure as it may make it sound dead.

It is also advisable to use 3/4" plywood to make the box.

Click the image to open in full size.

Good luck!!!
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Old 2nd September 2007, 04:39 AM   #7
Simei is offline Simei  Singapore
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Hi Norelco,

You may like to consider this vintage design @ the following link:

http://www.geocities.com/tadgesualdo...eTLDesign.html

Cheers!!!

Regards.
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Old 2nd September 2007, 10:18 AM   #8
Norelco is offline Norelco  Philippines
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Join Date: Aug 2007
Thanks again for the info.. i think its much better to stick with jbl design, since jbl is well known in to their designs..

Regards..
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Old 11th March 2014, 11:10 PM   #9
noge is offline noge  New Zealand
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Join Date: Oct 2007
Can I revive this thread?

I have a few AD5200M drivers I've been wondering what to do with.

Has anyone tried these drivers in the JBL34 cabinets?
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Old 12th March 2014, 12:43 AM   #10
knarfor is offline knarfor  United States
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Join Date: Nov 2012
Location: Central Florida
I happen to have a 5200M sitting here at my desk. I just ran some measurements. Someone should be able to help you use them to figure out an appropriate enclosure:

Re=4.72 ohms
Fs= 43.07 Hz
Qts=0.533
Qes=0.571
Qms=7.975
Le=0.154
Mms= 32.96 grams
Vas = 183.1 Liters

On axis 1W/1M:

Click the image to open in full size.
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