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Multi-Way Conventional loudspeakers with crossovers

Alu Die Cast Cabinet: Monitor-Audio BM-100,  Pioneer TS-X9  Bowers & Wilkins " ???"
Alu Die Cast Cabinet: Monitor-Audio BM-100,  Pioneer TS-X9  Bowers & Wilkins " ???"
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Old 6th August 2011, 06:17 PM   #1
tiefbassuebertr is offline tiefbassuebertr  Germany
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Default Alu Die Cast Cabinet: Monitor-Audio BM-100, Pioneer TS-X9 Bowers & Wilkins " ???"

I remember the good sonic quality of the speaker models mentioned here from early exhibitions and consumer shows.
I am looking to the B&W loudspeaker model, that is similar to the mentioned types especially to the outline of the "TSX9" from Pioneer. It was on the market between 1980 and 1990.
Who knows the model number?
And a second question: Where on the web is to find a test review and a frequency response of the BM100 from Monitor Audio.
Thank you very much. Here some images of the other above mentioned models.
Attached Images
File Type: jpg Pioneer TS-X9 front exhibition 1977 Japan.jpg (128.0 KB, 439 views)
File Type: jpg Pioneer TS-X9 frequency response.jpg (847.3 KB, 438 views)
File Type: jpg Pioneer TS-X9 open.jpg (59.2 KB, 392 views)
File Type: jpg Pioneer TS-X9 rear-II.jpg (226.6 KB, 391 views)
File Type: jpg Pioneer TS-X9 side.jpg (20.7 KB, 367 views)
File Type: jpg Pioneer TS-X9 terminal.jpg (211.4 KB, 74 views)
File Type: jpg Pioneer TS-X9 front-II.jpg (244.9 KB, 69 views)
Attached Files
File Type: pdf Monitor Audio BM-100.pdf (62.9 KB, 50 views)

Last edited by tiefbassuebertr; 6th August 2011 at 06:23 PM.
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Old 6th August 2011, 11:46 PM   #2
cheapskate is offline cheapskate  Ireland
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B&W LM1

Click the image to open in full size.

Click the image to open in full size.

I have the original brochure and the ones pictured (LM1/PM) - which are the front panel mounted on custom carbon fibre, concrete lined cabinets with a rounded back.
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Old 7th August 2011, 07:59 AM   #3
tiefbassuebertr is offline tiefbassuebertr  Germany
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thank you very much. About
Bowers and Wilkins manuals, schematics and brochures - Hifi Manuals
is to read, that there are various different versions of the LM1. Thus the version I am looking for is very hard to find on the web.
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Old 7th August 2011, 09:19 AM   #4
cheapskate is offline cheapskate  Ireland
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Are the pics I posted of the one you were seeking?

If so, would you like me to scan the rest of the brochure? It has frequency response graphs and the specifications.

I have some even rarer B&W speakers. In the 80/90s B&W made car audio components called the MASS range. I have the sub woofers and midranges and crossovers from this range. I used the midranges and crossovers to make these, which I am happy to say sound better than the LM1s I have:

Click the image to open in full size.

There's some old manuals and stuff here: B&W Group North America Service & Support Homepage
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Old 7th August 2011, 10:17 AM   #5
tiefbassuebertr is offline tiefbassuebertr  Germany
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Default B&W LM1 LM-1 old

LM-1 old:
Thanks again for this additional informations. Unfortunately I haven't the complete broshure from B&W LM-1 old , but the schematic and some more pics.
The "MK-III" (MK-3 MK3) pics I have found from japanese websites (using by image view search inside Google.co.jp).
here thw URL:
http://www.happy-town.jp/DUCK-TAIL/s...odsID=00000581
This means, there are three versions on the marked from this cabinet outline of the LM-1.
Who can post here the inside views of the used transducers?
BTW - an offer currently available you will find about
http://www.ricardo.ch/kaufen/audio-t...v/an650674836/
Attached Images
File Type: jpg B&W LM1 old front-I.jpg (18.6 KB, 34 views)
File Type: jpg B&W LM1 old front-II.jpg (57.3 KB, 30 views)
File Type: jpg B&W LM1 old MK3 front.jpg (104.8 KB, 50 views)
File Type: jpg B&W LM1 old MK3 rear.jpg (92.2 KB, 31 views)
File Type: jpg B&W LM1 old MK3 terminal.jpg (251.0 KB, 32 views)
File Type: jpg B&W LM1 old various colors.jpg (151.6 KB, 34 views)
Attached Files
File Type: pdf B&W LM1 old drawing view.pdf (129.1 KB, 19 views)
File Type: pdf B&W LM1 old PCB view crossover network.pdf (156.2 KB, 19 views)
File Type: pdf B&W LM1 old schema APRIL 82.pdf (123.1 KB, 15 views)
File Type: pdf B&W LM1 old service bulletin.pdf (58.8 KB, 17 views)

Last edited by tiefbassuebertr; 7th August 2011 at 10:41 AM.
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Old 7th August 2011, 10:20 AM   #6
tiefbassuebertr is offline tiefbassuebertr  Germany
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Default B&W LM1 LM-1 new

B&W LM1 LM-1 new for compare:
Attached Images
File Type: jpg B&W LM1 new front wo cover.jpg (70.1 KB, 46 views)
File Type: jpg B&W LM1 new open I.jpg (115.4 KB, 41 views)
File Type: jpg B&W LM1 new open II.jpg (106.2 KB, 60 views)
File Type: jpg B&W LM1 new side view.jpg (67.2 KB, 54 views)
File Type: jpg B&W LM1 new side-rear view.jpg (61.9 KB, 18 views)
File Type: jpg B&W LM1 new.jpg (67.9 KB, 11 views)
Attached Files
File Type: pdf B&W LM1 new 14793+14794.pdf (68.9 KB, 56 views)
File Type: pdf B&W LM1 new base drawing and datasheet.pdf (86.0 KB, 5 views)
File Type: pdf B&W LM1 new brochure.pdf (186.3 KB, 8 views)
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Old 7th August 2011, 12:52 PM   #7
tiefbassuebertr is offline tiefbassuebertr  Germany
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Default Monitor Audio "Baby Monitor" "BM-100" (BM100)

In the attachement high resolution images, better than that one from post #1.
Please let me know the manufacturer of the drivers (bass/midrange and tweeter - it must be a manufactuter similar to Tangband).
Please let me additional know companies or special guys, which can carried out a restauration (resurrection) of burned voice coils and damaged domes/cones and diaphragms so as surrounds of the used transducers.
Attached Images
File Type: jpg Monitor Audio BM-100 front-II.jpg (326.0 KB, 50 views)
File Type: jpg Monitor Audio BM-100 front-III.jpg (265.0 KB, 46 views)
File Type: jpg Monitor Audio BM-100 rear.jpg (225.4 KB, 36 views)
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Old 7th August 2011, 02:21 PM   #8
cheapskate is offline cheapskate  Ireland
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B&W LM1 brochure: Free File Hosting, Online Storage &amp File Upload with FileServe


The drivers are integrated with the front panel - they can not be seperated from it. The panel 'is' the chasis.

Die Fahrer sind mit der Frontplatte integriert - sie können nicht von ihr getrennt werden. Das Panel 'ist' der chasis.
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Old 7th August 2011, 02:29 PM   #9
cheapskate is offline cheapskate  Ireland
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It is not worth fixing the damaged drivers. Get modern car audio drivers - they will be much better than the old ones and should cost less than repairs.

Es lohnt sich nicht zur Festlegung der beschädigten Treiber. Holen Sie sich moderne Car-Audio-Treiber - sie werden viel besser als die alten und sollte weniger als Reparaturen kosten.
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Old 7th August 2011, 02:46 PM   #10
tiefbassuebertr is offline tiefbassuebertr  Germany
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Quote:
Originally Posted by cheapskate View Post
B&W LM1 brochure: Free File Hosting, Online Storage &amp File Upload with FileServe
The drivers are integrated with the front panel - they can not be seperated from it. The panel 'is' the chasis.
Thank you for this advice. Similar than by various JBL loudspeakers.
Quote:
Originally Posted by cheapskate View Post
It is not worth fixing the damaged drivers. Get modern car audio drivers - they will be much better than the old ones and should cost less than repairs.
This is not true in all cases. For this reason here in German we have special companies, which perform repair service for certainly vintage speakers. One example is follow company for vintage loudspeakers from the German brands "BRAUN" and "ACRON":
http://www.hebermehl.de/Service/service.htm
This company is even able for the restauration of burned voice coils so as damaged domes/cones and diaphragms of the used transducers and not only foam surround replaces.
Perhaps in UK there is a similar company for vintage B&W speakers. Who knows more?

P.S. we get a funny German translate by the use of the google language tools.
When I translate back to english I read:
The Car-Drivers are married with the Front Panel - they can not be separated from them

Last edited by tiefbassuebertr; 7th August 2011 at 03:03 PM.
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