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T.O. Chef Senior Contributor 100+
Joined: 31 Aug 2007 Posts: 187 Location: Toronto Canada
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Posted: Wed Oct 28, 2020 5:12 pm Post subject: 104aB's and T-27's |
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Greetings One And All. I sincerely hope all our members and contributors around the world are well and healthy. Very Trying Times indeed.
I've been absent for some time now. I'm sure I'll have o ton of interesting reading here waiting for me. .
I have been fortunate to be granted a superbly well looked after pair of 1 owner KEF 104aB's. In early pair I assume, sporting grey connecting terminals rather the more common black ones that I believe came later. (Can anyone confirm this assumption to be correct?).
This set appears to have had the T-27's replaced during their lifetime. The owner said he recalled one being "upgraded" in the past and this is evident since it sported a protective screen ala LS3/5a !
But there's more mystery here. I note that both T-27's have black wires to the voice coil. not the usual Blue / Black. Doubly interesting is these tweeters have no markings whatsoever on the rear, no date codes, not even a model number. There is only a small green sticker with the letter E imposed.
I recall reading somewhere that black wired T-27's indicate a very high degree of specification adherence and were used especially in LS3/5a's. Is it possible these a special version of the tweeter?
Can anyone shed light on this anomaly? _________________ Music is food for the soul. |
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T.O. Chef Senior Contributor 100+
Joined: 31 Aug 2007 Posts: 187 Location: Toronto Canada
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Posted: Wed Oct 28, 2020 5:16 pm Post subject: T-27's in 104aB's |
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I should add to the post that these tweeters sound very good indeed. I have not done a DATS scan, but neither am I in any hurry.
The speakers both look and sound better any of the many pairs I've previously owned or worked on for people. _________________ Music is food for the soul. |
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speakerguru Über Contributor 1000+
Joined: 18 Nov 2005 Posts: 1192 Location: Green Hut, Tovil
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Posted: Fri Oct 30, 2020 6:53 pm Post subject: Re: 104aB's and T-27's |
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T.O. Chef wrote: | ... I recall reading somewhere that black wired T-27's indicate a very high degree of specification adherence and were used especially in LS3/5a's. Is it possible these a special version of the tweeter?... |
No. Production just stopped painting the part of the blue wire, that was visible from the front, black at some stage. |
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audiolabtower VIP Contributor 500+
Joined: 06 Jan 2009 Posts: 686
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Posted: Fri Oct 30, 2020 9:26 pm Post subject: Re: 104aB's and T-27's |
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T.O. Chef wrote: | sporting grey connecting terminals rather the more common black ones that I believe came later. |
I had some of the first 104s (later worthwhile crossover upgraded when aBs came out) and they had the grey plastic insert with just 4mm sockets. |
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speakerguru Über Contributor 1000+
Joined: 18 Nov 2005 Posts: 1192 Location: Green Hut, Tovil
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Posted: Sat Oct 31, 2020 9:17 pm Post subject: |
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Didn’t they have a DIN speaker socket between the 4mm banana sockets too? |
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audiolabtower VIP Contributor 500+
Joined: 06 Jan 2009 Posts: 686
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Posted: Sun Nov 01, 2020 1:30 pm Post subject: |
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Yes, dead right, forgotten about DIN speaker sockets! Soldering heavy duty cable into a DIN speaker plug was fun. All those amp amps within a mm of each other |
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