Use a small Mantaray 931 (1500 Hz XO) or MR 94 (1200 Hz) if you can find any or go vintage with the 811 (800 Hz).
I may be getting a pair of 12" Duplex's. Unfortunately, they are bare drivers, no cabinet, and no horn. I can build cabinets of some sort.... probably something basic. However, I need a horn. I assume the originals were similar to the horns in my single 9864-8a that attach to the cabinet. I see GPA builds a 212 Duplex with a much smaller horn on the HF section. In their FAQ, they state they won't sell part, However.
Any ideas what I could do for a HF horn?
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Last edited by Audio_by_Goodwill; October 28th, 2024 at 10:22 AM.
Audio_by_Goodwill
Michigan, USA
Use a small Mantaray 931 (1500 Hz XO) or MR 94 (1200 Hz) if you can find any or go vintage with the 811 (800 Hz).
Loud is Beautiful if it's Clean! As always though, the usual disclaimers apply to this post's contents.
You may want to contact this guy on eBay I think he makes horns from scratch... I don't know him I just found on eBay so do your due diligence... Maybe worth a look. Here is another set a little cheaper at $100 bucks.
Altec 604B Horn (PAIR) + Dust Cap + Joints - 3D Replacement | eBay
Altec 604C/D/E/8G Horn (PAIR) + Dust Cap 3D Replacement | eBay
i do have 3 pairs of the 931-12s i could part with a pair.Originally Posted by GM
Sonic Barbarian
this is the definition of insane.
This guy has listed a pair for 499$ no drivers just the horns
Altec Landing MR931-12 Mantaray Constant Directivity Horns- 2 pair Available New | eBay
Last edited by Phil-G; October 31st, 2024 at 09:29 AM.
Sonic Barbarian
I found those too. I was hoping he had one that would bolt directly. That market is probably too small.
Unfortunately I didn't get the speakers. It was a local-ish auction, and I thought I might be alone in my pursuit, but apparently several other people knew what they were looking at, too. I'll simply wait until I find whole units again.
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I saw those, too. The price seemed crazy to me, but I also haven't been audio "shopping" for quite some time, so I wasn't sure.
Audio_by_Goodwill
Michigan, USA
Bill @ GPA was selling those MR931-12's for 25 bucks ea.
Of course, that might have been 10 years ago at this point.
Not all vegetables make good leaders.
I doubt if the small Mantaray or the 604 horn will fit. The Engine uses a large format driver.
Your neighbors called. They like your music.
Oops! Thanks! Don't recall ever being exposed to the 'Engine' and Googling at a glance just returns pictures of a different HF driver I didn't recognize either, though this time around I found it's GPA's new 288, so definitely only the large format Mantarays will work and apparently only for 300, 500 HZ XOs.
Loud is Beautiful if it's Clean! As always though, the usual disclaimers apply to this post's contents.
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