Help Needed for Norelco AD5200 12"

Norelco · 28th August 2007, 11:29 AM

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

Simei · 29th August 2007, 02:47 PM

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:

Good luck!!! Cheers!!!

David

Norelco · 31st August 2007, 08:17 AM

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

Simei · 1st September 2007, 03:52 AM

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.htm

Good Luck!!! Cheers!!!

Norelco · 1st September 2007, 06:02 PM

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..

Simei · 2nd September 2007, 12:54 AM

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.

Good luck!!!

Simei · 2nd September 2007, 03:39 AM

Hi Norelco,

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

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

Cheers!!!

Regards.

Norelco · 2nd September 2007, 09:18 AM

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..

28th August 2007, 11:29 AM	#1
Norelco diyAudio Member Join Date: Aug 2007	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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29th August 2007, 02:47 PM	#2
Simei diyAudio Member Join Date: Sep 2006	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: Good luck!!! Cheers!!! David

31st August 2007, 08:17 AM	#3
Norelco diyAudio Member Join Date: Aug 2007	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

1st September 2007, 03:52 AM	#4
Simei diyAudio Member Join Date: Sep 2006	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.htm Good Luck!!! Cheers!!!

1st September 2007, 06:02 PM	#5
Norelco diyAudio Member Join Date: Aug 2007	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..

2nd September 2007, 12:54 AM	#6
Simei diyAudio Member 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. Good luck!!!

2nd September 2007, 03:39 AM	#7
Simei diyAudio Member Join Date: Sep 2006	Hi Norelco, You may like to consider this vintage design @ the following link: http://www.geocities.com/tadgesualdo...eTLDesign.html Cheers!!! Regards.

2nd September 2007, 09:18 AM	#8
Norelco diyAudio Member 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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