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Srinath

No sound from bass bin on Khorn

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A blown woofer on a KHorn? YOWZER!! Party on Garth! Check that fuse!!!

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The woofer makes no sound when wired straight to the amp.

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I haven't seen the fuse question answered yet. The crossover schematic shows two, including one in the woofer circuit. What do they measure?

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I cant find my meter yet. But both fuses look intact. Woofer doesn't make sound wired direct to amp.

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Guys, this is getting ridiculous (but at least no one suggested new fancy capacitors on the crossover, yet).

 

Let's do the obvious first since you do not yet have access to a volt meter. Have a look at the fuse, if it looks okay then it is (probably) okay (yes, I said probably). If the woofer is still in the cabinet, then get a flashlight and a small mirror (like a dental mirror) and examine whether the tinsel leads to the woofer look okay or whether they might be detached.

 

Then, as said before, get a small battery and a cobble a couple of wires together (they do not need to be cryo-treated). Hold the ends to the terminals were the tinsel leads are. Then briefly touch the other end of the wires to a battery (you already pulled out the flashlight ....). Does the speaker go "thump" or does the cone move? 

 

It sounds like the OP may not have much experience, so I would caution against de-soldering the leads at the speaker end. Anyway, that would not come until later.

 

Good luck,

-Tom

 

EDIT: I just saw that last reply. I assume "direct form the amp" means the fuse was bypassed. If so the woofer is needs to be fixed or replaced (most probable). However there is still a small chance that the woofer is okay but the tinsel lead has detached. Inspect and determine whether it might be fixable

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18 hours ago, Srinath said:

The woofer makes no sound when wired straight to the amp.

 

Best not to do that, if there is a short it can easily damage the amplifier.

 

 

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Short in the VC would have taken the fuse out and ended up with a cabinet that smelled like magic smoke - I knew it was either a XO component blown open or woofer blow open.

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