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question about Altec 515b

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Posted on April 25, 2016 at 11:02:54
horny
Audiophile

Posts: 745
Location: holland
Joined: October 17, 2003
i have a question maybe someone can answer me here

i have altec a5 speakers with in the bass cabinet 515 8g someone put these in
and i will change that to the original 515 b i don't now if this is an upgrade but its original that way
now i have 3 515b units but no matching cones
i have one 21184 one 211843 and one 21184-2
is this a problem are these different cones or is it just a manufacturing lot number ?
and do they sound the same?

 

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RE: question about Altec 515b, posted on April 28, 2016 at 08:30:45
GM
Audiophile

Posts: 590
Location: Georgia
Joined: April 26, 2000
Double check GPA, but IIRC the 21184 and suffixes were 416-8B. It's been so long since I rotated my four mid 50's 515Bs, I don't recall what's stamped on them.

Note too that these driver's specs changed over the decades due to cost cutting and as amp output impedance dropped to insignificant amounts and it's my understanding based on others experience posted on the Altec User's Board that if I wanted mine re-coned to original specs, GPA can't do it for lack of parts.

GM
Loud is Beautiful if it's Clean! As always though, the usual disclaimers apply to this post's contents.

 

RE: question about Altec 515b, posted on April 29, 2016 at 03:39:08
horny
Audiophile

Posts: 745
Location: holland
Joined: October 17, 2003
Yes the numbers on the cones are original 21184 is the right cone for 515b but my question is
do the different lot numbers 21184- 1,2,3 sound different?
or not?

 

RE: question about Altec 515b, posted on April 29, 2016 at 08:07:38
GM
Audiophile

Posts: 590
Location: Georgia
Joined: April 26, 2000
Hmm, I don't remember mine being this number, but in doing a '21184', 'post', search returned enough posts to confirm that at some point later in time than mine there was some consolidation plus with some suffixes added, so to answer your Q, do the same forum search to sort it all out or at least allow you to more narrowly define any remaining Qs to the more knowledgeable folks here: http://www.hostboard.com/forums/f700/altec-users-board.html

GM
Loud is Beautiful if it's Clean! As always though, the usual disclaimers apply to this post's contents.

 

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