Can You Identify This 18in Woofer? {Photos}

thetubeguy1954 · 1st August 2008, 07:20 PM

I desperately need your help with identifying this 18" woofer. I just picked it up extremely cheap ---{because the dustcap is pushed in}--- and would like to possibly use it to make a subwoofer. I purchased it because to me it looks like Focal/JM Labs Audiom woofer. Am I correct? If not what is it and are the TS specs available anywhere?

TIA

Thetubeguy1954

Cal Weldon · 1st August 2008, 07:25 PM

Oooh, I like the motor on that. Looks like a PA driver to me. Not meant for infrasonic but gives your chest a heck of a thump. Probably good down to about 30 Hz or so.

dnewma04 · 1st August 2008, 07:31 PM

Looks like MCM's clone of some of the high end Focals.

thetubeguy1954 · 1st August 2008, 07:46 PM

Quote:

Originally posted by dnewma04
Looks like MCM's clone of some of the high end Focals.

Yes I thought the magnet structure looked like a Focal. I also like the accordian surround better than the rubber used by Focal "if" it is an MCM clone.

Thetubeguy1954

dnewma04 · 1st August 2008, 07:57 PM

Because of their god awful site, I haven't checked out MCMs offerings for a number of years, but I seem to recall seeing those 4-5 years ago and I was intrigued by them.

thetubeguy1954 · 2nd August 2008, 12:38 AM

When I brought these woofers home I measured them because my 18" Hartley subwoofers looked so much smaller in comparison. These woofers are actually 22 inches across! Check the photo of the 18" Hartley next to the 22" Focal Clone.

Thetubeguy1954

Poindexter · 2nd August 2008, 04:35 AM

Wow!  Does anybody know anything about this driver?  Is it still available?  Are there params available for it?

I agree about the MCM site.  I make websites for people, and that is my example of an impenetrably byzantine site.  You ain't got the print catalog in your hand with part numbers, it can take you hours to find what you want.

I'm glad to see they're still in busines, mind.  They used to be a cool source of some of the most outa-de-way speakers and other parts this side of Fair Radio Sales.

Aloha,

Poinz

thetubeguy1954 · 4th August 2008, 01:39 PM

Hello Poindexter!

Here's what I do know about them so far. They were made by MCM for a limited period of time. It was originally listed as part # 55-1835 in the MCM catalog. It was described as a 21" pro. low frequency woofer and had these specs; 8 ohms, 96 dB @ 1w/1m with a 25Hz resonance. It's rated @ 200 watts rms/800 watts peak and sold for a very reasonable price of only $395!

I'd greatly appreciate any help I could get in locating a second driver so I could build a copy of Nelson Pass' El-Pipo Subwoofer.

Thetubeguy1954

zlast · 6th August 2008, 08:51 PM

Might ask Mr.Pass nicely...as I recall he used four of these drivers in El-pipo

tomtt · 7th August 2008, 12:07 AM

can't say for shure, this may be where these came from -

http://www.lyeco.com.tw/woofer.htm

316

1st August 2008, 07:25 PM	#2
Cal Weldon Speakerholic diyAudio Moderator Join Date: Jan 2004 Location: British Columbia	Oooh, I like the motor on that. Looks like a PA driver to me. Not meant for infrasonic but gives your chest a heck of a thump. Probably good down to about 30 Hz or so. __________________ Next stop: Margaritaville Some of Cal's stuff \| Cal Weldon Consulting

4th August 2008, 01:39 PM	#8
thetubeguy1954 diyAudio Member Join Date: Apr 2004 Location: Orlando, Florida. USA	More Info! Hello Poindexter! Here's what I do know about them so far. They were made by MCM for a limited period of time. It was originally listed as part # 55-1835 in the MCM catalog. It was described as a 21" pro. low frequency woofer and had these specs; 8 ohms, 96 dB @ 1w/1m with a 25Hz resonance. It's rated @ 200 watts rms/800 watts peak and sold for a very reasonable price of only $395! I'd greatly appreciate any help I could get in locating a second driver so I could build a copy of Nelson Pass' El-Pipo Subwoofer. Thetubeguy1954 __________________ Central Florida Audio Society--SETriodes Group--Space Coast Audio Society---Full-range/Wide-range Drivers---Front & Back-Loaded Horns.

6th August 2008, 08:51 PM	#9
zlast diyAudio Member Join Date: Sep 2004 Location: none	Driver Might ask Mr.Pass nicely...as I recall he used four of these drivers in El-pipo __________________ none

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1st August 2008, 07:31 PM	#3
dnewma04 diyAudio Member Join Date: Mar 2005 Location: MI	Looks like MCM's clone of some of the high end Focals.

1st August 2008, 07:57 PM	#5
dnewma04 diyAudio Member Join Date: Mar 2005 Location: MI	Because of their god awful site, I haven't checked out MCMs offerings for a number of years, but I seem to recall seeing those 4-5 years ago and I was intrigued by them.

2nd August 2008, 04:35 AM	#7
Poindexter diyAudio Member Join Date: Oct 2004 Location: Maui, Hawai'i, USA	Wow!  Does anybody know anything about this driver?  Is it still available?  Are there params available for it? I agree about the MCM site.  I make websites for people, and that is my example of an impenetrably byzantine site.  You ain't got the print catalog in your hand with part numbers, it can take you hours to find what you want. I'm glad to see they're still in busines, mind.  They used to be a cool source of some of the most outa-de-way speakers and other parts this side of Fair Radio Sales. Aloha, Poinz

7th August 2008, 12:07 AM	#10
tomtt diyAudio Member Join Date: Aug 2002 Location: kansas city mo, and on occasion, around the world ... Blog Entries: 15	can't say for shure, this may be where these came from - http://www.lyeco.com.tw/woofer.htm 316

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