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In Reply to: RE: What about updating the posted by deafbykhorns on November 01, 2015 at 04:49:53
I think the caps in at least some of the old Altec crossovers were PIO and are basically good forever.
I have 3 Altec N-500 crossovers rebranded IPC Simplex and the caps are PIO.
These were taken from the Altec speakers that Richard Fowle and myself pulled from Paramount Pictures back in the early 1990's.
Each speaker system used 2 Altec 515's and a pair of 288's with the "Y" adapter on the big tar filled horn.
Paramount had just replaced the sound system in their on-site theater.
We also pulled about 40 Altec 421A 15" woofers and all of the AB Systems amplifiers that drove the system.
We left all the enclosures behind. I could have built a house with all that wood!
Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"
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And sometimes not as stable as other construction methods.
I've seen quite a few Russian NOS PIO's leaky.
For low voltage speaker crossover, maybe not so much?
Edits: 11/01/15
Wow. Have bought hundreds and none have leaked thus far.
The Mind has No Firewall~ U.S. Army War College.
Electrolytics would be toast for sure.
Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"
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