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I have a pair of Altec 846B speakers. The horn on one works fine, but on the other the horn does not emit sound (both woofers are fine). I think the driver for the horns is called 806-8a. Do I need to replace this part, or is there some less drastic measure or test I can make? Thanks so much. I'm a newbie to this, so be kind.
Welcome donroy, you can remove the back cover of the
horn and you should see the element that looks something
like this,
http://xs49.xs.to/pics/05401/ele1.jpeg
Carefully inspect for damage as a common problem is
that the element strap can pop like this.
http://xs49.xs.to/pics/05401/ele2.jpeg
This can be repaired with delicate solder surgery and good luck.
Otherwise test it with an ohm meter or touch the wire leads
with a battery and listen for scrape sound.
Let us know what you find........
Thanks so much for the advise. I'll give it a shot.
If you can't get it to work then send it to Bill Hanuschack at great plains audio in Oklahoma to fix.