32B used in Altec A8 reflex box 12" deep,two way system so HF horn had to be 90 degree type.Flange mounted,16"W - 8"H - 8.75"D. 10lbs - 800Hz - H 90X V 40.
It is alleged that the 90 degree bend takes out the casting ring,thus making it gain
popularity with some of our associates,when compared to the 811B.
Forgot to mention 32B also used in 9849 Monitor & 1231 Musical sound monitor
And the 1221A monitor.Originally Posted by kinomat
Audio_by_Goodwill
Michigan, USA
The pair I have ring like a bell when they are not mounted, I can talk into them and hear it. I'm not sure how they will act mounted but I am not worried about ringing. That to me is the easiest thing to fix. The castings leave a bit to be desired though. I will need to get at the throats with a die grinder before they are ready to use.
I use to use one of these to clean up throats. Been a while and can't remember what brand. USE WITH CAUTION! Too much enthusiasm is a bad thing.
Lisle Tools 10500 Brake Cylinder Hone | eBay
If you try this make sure pressure is adjustable and start with it backed off.
Your neighbors called. They like your music.
Cool idea
The problems I see are in the transition area. It looks like the boring tool was used as deep as it could be without screwing up the beginning of the bend area. What eventually transitions to the top of the horn looks and feels fine. The opposite side has a flash or excess weld material protruding into the horn with a sharp edge where the bore tool stopped. I think I will need to reshape just this area. In my case the brake cyl hone probably won?t work but in general is there a benefit to honing the inside of a throat beyond what is necessary to ease abrupt transitions?
I say no. Really, want to polish, not hone.
Your neighbors called. They like your music.
A small ball hone might be ok as well.
Either way, use a lot of lubrication so the alum doesn't mess up the stone. something thin like WD40 or even brake clean.
Shoot, I REALLY need to get my 9849's fired up!
Enjoying Altec Speakers since 1972
Is that 811s or 32A ringing?The pair I have ring like a bell when they are not mounted,
I recently picked up a pair of plastic 32Bs. Played around with old metal 32A twenty years ago (WE 713C drivers) and I was under-impressed but at the time I had 1505s/288s and Lansing field coil gear set up, looking for the big fun. Now my goals are much more modest, as is available space...
I also know the 753 pretty well. That system used a phenolic 713 driver and did not have much highs but it is very natural. An optional PM tweeter was available for those who needed it.
Based on the crudest listening tests, a 32B with a tangerine 802 seems to be giving me about 10k highs through the horn. In the 9849, a HF EQ circuit was employed and I'll probably do the same thing. It is almost there as-is.
Also tried an 806...much more rolled on top. That would need a tweeter.
Overall effect is clean undistorted and a bit "soft"...but that's cool. None of the screech/ring of 511/811s. They have fans but I wonder how many of these fans have heard a good multicell Altec system??
I'm looking around for a pr of metal 32s to compare to the plastic units and measure.
Does anybody know if there is a difference in geometry between 32A and 32B?
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