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Monitor Audio Bookshelf Speakers

 
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Craigb
Intermediate Contributor 25+


Joined: 12 May 2005
Posts: 33
Location: New Zealand

PostPosted: Sat Jan 14, 2006 11:42 am    Post subject: Monitor Audio Bookshelf Speakers Reply with quote

Hi there, I know this site is dedicated to KEF and that is what attracted it to me it to me in the first place, but I have been trying to get more information about my only non KEF pair of speakers and I can't find anything on the 'net - I was hoping that some experts might help me out. They are a small bookshelf set of Monitor Audios, with a SEAS H174 Tweeter and a 140cm Woofer in a bass refex cabinet. The woofer has a manufacture date of Jun 1980. That is all the information I have - apart from the fact that they still sound pretty damn good. Any information will be gratefully accepted.

Thanks

Craig
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ColinR
Über Contributor 1000+


Joined: 31 Jul 2004
Posts: 1175
Location: Staffordshire

PostPosted: Sat Jan 14, 2006 12:52 pm    Post subject: Reply with quote

Remove the bass unit and wadding to gain access to the crossover.

Unscrew the crossover and look on the circuit side, it'll tell you Razz .
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proffski
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Joined: 22 Aug 2003
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Location: Tewkesbury UK

PostPosted: Sat Jan 21, 2006 1:30 pm    Post subject: Reply with quote

Do you know which model it is?
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ColinR
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Joined: 31 Jul 2004
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Location: Staffordshire

PostPosted: Sat Jan 21, 2006 3:42 pm    Post subject: Reply with quote

I've half an idea, which is as good as useless without more detailed information about the chronology of Monitor Audio products.

The bass unit is anonymous, not Audax and the SEAS unit's faceplate has an identical appearance to the Audax HD100D25.

So it's near to a MA7, but not quite, hence the suggestion of looking at the crossover's id.
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proffski
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Joined: 22 Aug 2003
Posts: 1296
Location: Tewkesbury UK

PostPosted: Sat Jan 21, 2006 4:54 pm    Post subject: Reply with quote

Quite agree, the size WxHxD might help, I was hoping that the owner may have some idea of the model number.
Let us hope that the PCB does indeed give us a clue or more! Confused

ColinR wrote:
I've half an idea, which is as good as useless without more detailed information about the chronology of Monitor Audio products.

The bass unit is anonymous, not Audax and the SEAS unit's faceplate has an identical appearance to the Audax HD100D25.

So it's near to a MA7, but not quite, hence the suggestion of looking at the crossover's id.
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Craigb
Intermediate Contributor 25+


Joined: 12 May 2005
Posts: 33
Location: New Zealand

PostPosted: Fri Jan 27, 2006 10:11 am    Post subject: Reply with quote

Hi thanks for your interest. I have tried to remove the Crossover but it is attached with somewhat small nuts on long threads that were sealed with paint and placed in the middle of the board. So I'm in danger of disturbing the xover parts if I get a little rough or inaccurate!

The dimensions are in metrics 200X230X400.

They were assembled here in New Zealand by a company call Avalon, who no longer have any memory of these.
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ColinR
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Joined: 31 Jul 2004
Posts: 1175
Location: Staffordshire

PostPosted: Fri Jan 27, 2006 11:04 am    Post subject: Reply with quote

Rats!

O.K. It's not a three way, MA1, MA2 or MA3.

or a two way MA4, MA5, MA6, MA7.

The MA4, MA5 & MA7 did use the same circuit board.

MA12 & MA16 may have used the same circuit board - a pair of pcbs were sold on ePay a couple of years ago.

Anybody got one of those Yearbook things from 1984-1986 and can look them up?
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