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colterphoto1

Altec Mantaray

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Anybody use these as replacement for K400 or other projects? I have a line on about 8 of them with the Altec 908-8b drivers near minty condition looks like came out of a school auditorium. Thanks for any info on possible uses or pricing. 

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Altec MR II 594 is the model of the horn. According to articles, an improvement on the old 511B (less resonance and better HF dispersion).  Sounds like could be a great match up for my A7 cabinets, some JBL 18" bins or any number of projects. About 22" wide, 12" tall. 1.4 exit throat mated perfectly to the Altec 908-8b drivers (an improvment on earlier aluminum diaphram designs 'rock and roll duty' made to not blow up as easily under hard loads. 

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Is the Altec 908 the driver they tested on the EV HR9040? How much are they asking?

 

You should see about having this thread moved to updates and modifications. 

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I used 902-8Bs (less power, higher highs) on 511Bs as HF on a pair of Peavey FH-1s.  Results were good, though the 902 needs a very steep crossover at 500 Hz.  Much better at 800 - 900 Hz. 

 

I tried them for a short while as a substitute for my La Scala's top end.  The VHF was softer.  The mids were comparable.  A nice driver combo and I can see how many people like the 80x /90x /511B combo.  If you have an "improved" 511B, you could have a great squawker.  Seems like the 908 only goes to about 12k, so you may want a tweeter or EQ.

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My understanding is the MR-594 fits Large-format 288/291 drivers with 1.4" throats requiring adaptors for 1" 800/900 drivers.

The correct horn for 1" [MR-994] is rare, used in A15 VOTT, M-500, 9815 only. Molded GE NORYL - see the specs!

With Room EQ & BiAmping - the Stacked A15's will absolutely keep up with JBL K2-M9500's! 

 

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Please update with what you have - Horns, Drivers, Throat adapters, PRICES. I may be a buyer.

Trade/Swap for mint ALTEC A7-500's or 1966 ALTEC Flamencos?  Talk to me!

ALNICO.jpg

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Yes I have those horn's on y A6's and I can't comment on them compared to the 511B's that I had on my A7's as my A7's had 909-16's and my A6 has 299-16 drivers .I will say that the A6 is a much nicer sounding speakers over all. 

IMG_0126.JPG

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Well everything in that photo is gone except for the A6's I will never sell those they are mint and stock down to the driver support rack that is usually missing on them . As for the rest of the speakers in the photo they are gone and have been replaced with Danley Sound Lab's. A  pair of SH96HO's and 4 DBH218 subs and a pair of the SPL td-1's the early version of the SH46 . 

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HIFI Heaven. Brought home a digital multimeter today so i can check them all, put in matched pairs ( I have 10 total units, all pass audio signal), got the bird guard 1/4" hardware cloth off them and cleaned up. 

 

These are the 12x24" mantaray horns with 1.4" throat adapters and drivers COMPLETE! 

 

I have a pair of Altec A7-500 bins with  horns that I'd like to make operational again. So interested in two Altec 15's and networks if those are in your store room? 

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I have 4 ALTEC 9849A Studio Monitor 900-Hz networks with EQ + Zobel - listed on USAudioMart. Way better than N801-8A, drop-in replacements.  Sorry, the 416-8B's I have aren't leaving my A7-500's, also listed on USAM.  Cheers!

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Prices please on the horns/adapters/908's?  I PM'd my request on 8/17 - probably forgot to click on something...

I prefer voice communications - ham radio guy since 1960 - as I talk much faster than I type!

Cheers, NØCRE  "Can't Remember Everything"  Steve in Minneapolis

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