View Full Version : Newbie needs help with Altec Horn 811B
Hello all - be gentle - new to the Altec and the forum.
I have got my hands on a pair of Altec 811b horns cheap. I will be using them in my PA system that is set up in my out house.
other speakers:
2 18inch scoop bins - 30-80hz
2 15inch horn loaded kick bins 80-200hz
2 12inch flared horns 200-500hz
2 8 inch mid 500-6.5khs
2 Altec horns with compressions to be purchased - need to cover 6.5hz and above.
I wanted to know if there was a compression driver that is highly regarded for the horn that would allow use from 6.5khz and above.
A modern off the shelf driver that I could blow without worrying about replacing the diaphram because it is rare or antique.
Any input would help!
Thanks
Bhavin
UK
Hey19
12-21-2011, 06:05 AM
Their work is superb.http://www.greatplainsaudio.com/
louped garouv
12-21-2011, 08:03 AM
Hello all - be gentle - new to the Altec and the forum.
I have got my hands on a pair of Altec 811b horns cheap. I will be using them in my PA system that is set up in my out house.
....
2 Altec horns with compressions to be purchased - need to cover 6.5hz and above.
I wanted to know if there was a compression driver that is highly regarded for the horn that would allow use from 6.5khz and above.
A modern off the shelf driver that I could blow without worrying about replacing the diaphram because it is rare or antique.
Any input would help!
Thanks
Bhavin
UK
although the Altec (3000 series? i think) tweeters are excellent units, the drivers for the
altec 811 horn are not really considered tweeters... generally they are used somewhere
between 500Hz/1200Hz and up (where your 8" mids are now serving) in a two way alignment
grumpy
12-21-2011, 08:13 AM
Outhouse having a different UK meaning, slang or otherwise?
hjames
12-21-2011, 08:44 AM
Outhouse having a different UK meaning, slang or otherwise?
18 inch scoop bin & woofers to achieve the mythical brown note, eh?
@grumpy - outhouse means the same here, its just big!
although the Altec (3000 series? i think) tweeters are excellent units, the drivers for the
altec 811 horn are not really considered tweeters... generally they are used somewhere
between 500Hz/1200Hz and up (where your 8" mids are now serving) in a two way alignment
What would happy if I put a modern driver on the horns that went from say 4khz to HF?
I dont have the cash to give it a go so wondering if anyone has tried anything similar?
grumpy
12-21-2011, 02:25 PM
Selenium D220ti and an adapter (threaded to bolt-on pattern)
Or maybe B&C DE400TN or DE250... lots of inexpensive options
With available replacement elements...
Fort Knox
12-21-2011, 03:53 PM
Hello all - be gentle - new to the Altec and the forum.
I have got my hands on a pair of Altec 811b horns cheap. I will be using them in my PA system that is set up in my out house.
other speakers:
2 18inch scoop bins - 30-80hz
2 15inch horn loaded kick bins 80-200hz
2 12inch flared horns 200-500hz
2 8 inch mid 500-6.5khs
2 Altec horns with compressions to be purchased - need to cover 6.5hz and above.
I wanted to know if there was a compression driver that is highly regarded for the horn that would allow use from 6.5khz and above.
A modern off the shelf driver that I could blow without worrying about replacing the diaphram because it is rare or antique.
Any input would help!
Thanks
Bhavin
UK
Get rid of all your filters and just run a 10uf cap at the horn
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