RCA/RS monitors with linaeum driver

dstockwell · 13th July 2005, 06:26 AM

Hello all, new to the site and I did a search but alot of info was old and what few possible ideas has broken links. Has anyone performed mods on these speakers to share. I am about to braid some CAT 5 for speaker wire but was looking for other ideas.

Thanks

dstockwell · 14th July 2005, 02:03 PM

No one..

dstockwell · 17th July 2005, 11:18 PM

Does no one have any experience with moding the RCA/Radio Shack monitors with linaeum driver. I am looking for any mods people have done.

Thanks

TheSlimMan · 18th July 2005, 12:15 AM

What model name/number "monitors" do you have there? I have some of the old LX-5's that I did a simple mod-job on. The stock x-o on those was a simple first order on the woofer & tweeter. I changed that to a second order BW with a low pass od 2kz on the woofers and a high pass at 2.5hz on the tweeters. Along with some minor tweaks to the factory enclosures, they improved alot. One day I'm gonna take it the next step and build some real enclosures (wood).

AJinFLA · 18th July 2005, 12:49 AM

Well,
today is your lucky day if you are talking about these RS models. I just happen to have a pair of the Linaeums (I bought them new at the Shack way back when they had em'). I was looking at Dennis' site earlier today and he still has the XO mod.
http://murphyblaster.com/content.php?f=rslx.html
Good luck.

Cheers,

AJ

dstockwell · 18th July 2005, 11:49 AM

Quote:

Originally posted by TheSlimMan
[B]What model name/number "monitors" do you have there? I have some of the old LX-5's that I did a simple mod-job on.

I will have to check that and find out..

dstockwell · 18th July 2005, 11:48 PM

Quote:

Originally posted by dstockwell
Does no one have any experience with moding the RCA/Radio Shack monitors with linaeum driver. I am looking for any mods people have done.

Thanks

RCA 40-5007

lolojr1 · 19th July 2005, 01:50 AM

you know i have a pair of these and one of the tweeters just up and died on me i didnt blow it it just died
any one have any ideas ?

sorry to threadjack

TheSlimMan · 20th July 2005, 06:18 AM

It appears that you have a newer model of the LX-5. Do these have the yellow woofer cones? I know the earlier (Optimus era) ones had woofers that benifited mightily from a Zobel network and a steeper x-o.

I went with a 7.5uF cap/.50mH coil on the tweeter, a .7mH/9.4uF combo on the woofer.
I also stiffened up the front baffle by adding epoxy glue to the back of it.
Also added some "dynamat' type material to the inner walls of the enclosure and on the woofer magnet shield.
Added in some poly-fil stuffing too.

Impatient me did this all at once so I can't say what had the most effect. But rest assured, the improvement was major.

Vidgamer · 13th October 2005, 06:25 AM

I have the same model number (40-5007 labeled as RCA brand) and it does not have the yellow woofer. Then again, I only paid $50 ea., when RS was trying to blow them out the door, so I think it was a good deal.

I have always wanted to mod the speaker a bit, but my soldering skills are very poor, so the simpler the better for me. Thanks for posting the link to the diagrams! (Dennis' site.) I think I'll go and do some research to see if I can simplify any further, but if anyone has any tips, I'll take 'em.

(Like, can I get rid of the resistors in the "scaled down" diagram? That should be easy enough to handle -- only 3 new parts, and re-use one of the stock parts.

I guess I'm wondering if the resistors are in there for a good reason.

)

13th July 2005, 06:26 AM	#1
dstockwell diyAudio Member Join Date: Jul 2005 Location: Georgia	RCA/RS monitors with linaeum driver Hello all, new to the site and I did a search but alot of info was old and what few possible ideas has broken links. Has anyone performed mods on these speakers to share. I am about to braid some CAT 5 for speaker wire but was looking for other ideas. Thanks

18th July 2005, 12:15 AM	#4
TheSlimMan diyAudio Member Join Date: Mar 2003 Location: Baltimore	More info please What model name/number "monitors" do you have there? I have some of the old LX-5's that I did a simple mod-job on. The stock x-o on those was a simple first order on the woofer & tweeter. I changed that to a second order BW with a low pass od 2kz on the woofers and a high pass at 2.5hz on the tweeters. Along with some minor tweaks to the factory enclosures, they improved alot. One day I'm gonna take it the next step and build some real enclosures (wood).

Thread Tools	Search this Thread
Show Printable Version Email this Page	Search this Thread: Advanced Search

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
Low end support for single driver monitors	strider75	Multi-Way	97	30th September 2009 03:02 PM
More Linaeum?	D Brummitt	Planars & Exotics	11	12th December 2005 08:04 PM
6 to 8 inch driver for studio monitors	cm961	Multi-Way	3	17th February 2004 02:40 AM

New To Site?	Need Help?
Register to Participate Search Privacy Statement Contact Us	Frequently Asked Questions Did you forget your password? Mark Forums Read


	Please consider donating to help us continue to serve you. Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving

14th July 2005, 02:03 PM	#2
dstockwell diyAudio Member Join Date: Jul 2005 Location: Georgia	No one..

17th July 2005, 11:18 PM	#3
dstockwell diyAudio Member Join Date: Jul 2005 Location: Georgia	Does no one have any experience with moding the RCA/Radio Shack monitors with linaeum driver. I am looking for any mods people have done. Thanks

18th July 2005, 12:49 AM	#5
AJinFLA Banned Join Date: Feb 2005 Location: Tampa	Well, today is your lucky day if you are talking about these RS models. I just happen to have a pair of the Linaeums (I bought them new at the Shack way back when they had em'). I was looking at Dennis' site earlier today and he still has the XO mod. http://murphyblaster.com/content.php?f=rslx.html Good luck. Cheers, AJ

19th July 2005, 01:50 AM	#8
lolojr1 diyAudio Member Join Date: Oct 2004	you know i have a pair of these and one of the tweeters just up and died on me i didnt blow it it just died any one have any ideas ? sorry to threadjack

20th July 2005, 06:18 AM	#9
TheSlimMan diyAudio Member Join Date: Mar 2003 Location: Baltimore	It appears that you have a newer model of the LX-5. Do these have the yellow woofer cones? I know the earlier (Optimus era) ones had woofers that benifited mightily from a Zobel network and a steeper x-o. I went with a 7.5uF cap/.50mH coil on the tweeter, a .7mH/9.4uF combo on the woofer. I also stiffened up the front baffle by adding epoxy glue to the back of it. Also added some "dynamat' type material to the inner walls of the enclosure and on the woofer magnet shield. Added in some poly-fil stuffing too. Impatient me did this all at once so I can't say what had the most effect. But rest assured, the improvement was major.

13th October 2005, 06:25 AM	#10
Vidgamer diyAudio Member Join Date: Jan 2004 Location: Florida	I have the same model number (40-5007 labeled as RCA brand) and it does not have the yellow woofer. Then again, I only paid $50 ea., when RS was trying to blow them out the door, so I think it was a good deal. I have always wanted to mod the speaker a bit, but my soldering skills are very poor, so the simpler the better for me. Thanks for posting the link to the diagrams! (Dennis' site.) I think I'll go and do some research to see if I can simplify any further, but if anyone has any tips, I'll take 'em. (Like, can I get rid of the resistors in the "scaled down" diagram? That should be easy enough to handle -- only 3 new parts, and re-use one of the stock parts. I guess I'm wondering if the resistors are in there for a good reason. )

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)