Vintage Altec Lansing N-1550-A Dividing Network AS IS | eBay
Not seen one of these. Was it for the 604E and just a variant on the N1500-A?
Its marked an N-1550-A, just for the search engine.
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Vintage Altec Lansing N-1550-A Dividing Network AS IS | eBay
Not seen one of these. Was it for the 604E and just a variant on the N1500-A?
Its marked an N-1550-A, just for the search engine.
Or, 605B and N1600.Quote:
Not seen one of these. Was it for the 604E and just a variant on the N1500-A?
Yup it looks like a 604E duplex crossover.Maybe they experimented with different XO points for the 604E Super Duplex. Probably not to many of those I would suspect.
The N1550-A was used on the Altec 615A Duplex, which was a variation of the 605B. It appears to be a series type crossover similar to the ones used on the 604E and 605B.
Thankyou for that interesting fact. :)
I thought they used a N1600D Hz crossover.Could they have used both ? Maybe a tweak during production ?Quote:
Originally Posted by jmarkwart
http://www.hostboard.com/forums/hbmc...2011/12/12.jpg
http://www.hostboard.com/forums/hbmc...2011/12/13.jpg
http://www.hostboard.com/forums/hbmc...2011/12/14.jpg
............ with a funky looking little phase plug in the horn throat.Quote:
The 615A has the conical horn in the center I think.
You must have quoted while I was editing ! :wink2:
Indeed!Quote:
Originally Posted by Altec Best
FWIW, and the sake of discussion , the successor 616-8A was built on the 411 frame, uses the 411 motor and cone with an accordian surround.
Yup Jeff you were right on here is an auction of a 615 with the 1550B -Crossover
http://www.ebay.com/itm/PAIR-2-VINTA...item33700cf559
Yeah, they sounded familiar. I acquired a bunch of 615As in the early 1990s that looked just like that Ebay linked unit. Mine had been removed from the ceiling of a Houston sports auditorium during an upgrade, and each had a 70V distribution transformer mounted to a plate on the speaker frame. My old speaker building partner and I removed the transformers and mounting plates and resold the 615As in stereo pairs after mounting them in appropriate BR enclosures with their N1550-A crossovers.
I didn’t think they sounded as good as 604s or separate Altec horn/woofer combos, but they were priced right.