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Ampeg 6x10 Help!

#21
icango said:
Yep, I haven't been inside one of those cabs but that circuit board sounds like the crossover. At this point that's your prime suspect. Either that or its connector(s).
Click to expand...

Not likely.

The crossover just connects all the speakers through, it is a crossover for the horn. just two wires out of it, there isn't a way for one speaker to act different.

they are all the same impedance and part number. even the one i bought to replace the blown one and all the wiring is correct.
Click to expand...

if that were true, then the wiring would be not right..... And you say THAt is right also.

If the battery test has one speaker moving so much more than ALL the rest, and the rest ALL do the same movement, the problem is that one speaker, even if you don't think so. Your alternative is that ALL the rest are bad, or that in fact they all do NOT move the same except for one, or that the wiring is wrong.

The things you said pretty much can't be all true at once.

Check the resistance of that one speaker, and compare to each of the others. if no joy, check the wiring again, carefully.
 
#23
I'm going on the theory that there's more than one problem at work here.

On paper, the crossover "should" be a non-contributor. But it's in the circuit. It's a zero-cost, ten-minute job to bypass it and thus be absolutely sure -- rather than 99% sure -- it's not to blame.

I agree it's possible that all the speakers but the one he replaced are suspect. Another case of "working" not necessarily meaning "good" or "serviceable." The replaced speaker may be one of those cases of, "Ah, so THAT'S how much travel I'm supposed to be getting out of the other/older ones."
 
#24
Ok, I just saw your reply about the speaker movement being position-dependent rather than speaker-dependent. (Is that what you mean?) If so, then again I say bypass the crossover.

If it were my cab, I'd replace the wiring altogether, bypassing the crossover in the process. New wiring and new tab connectors will really narrow things down and it's EASY.
 
#25
the only reason im suspect that the others are fine is that they sounded good before this. the speaker in the top left all of the rubber was worn out. which i guess is from that speaker moving more than the others. im going to try to bypass the crossover next time im at my practice space. like i said ive had the new speaker and 2 different speakers from the cab in that same position and they all do the same things. i even switched the pair around and i still have the same problem. i will take pictures tomorow and let everyone know how it goes. i dont know what to do and have no money to replace it due to a broken hand and no work.
 
#26
Double check wiring.......

610wiring.jpg
 
#27
new member here =)
im a drummer gone bass player...lol so go easy on me?
ok so you know those books..."---'s for idiots"? yeaaaa i need some help with my 610 cab explained like one of those books haha
i bought it knowing 2 speakers are blown (one is just silent) and the horn may need to be replaced (is what the guy told me). i got a speaker from someone who took it out of his 610 cab (that was a parts cab) but A) dont know how to wire it in (the horn too), and B) dont know the right ohms or the right speaker to use...HELP!!!!!
=)
thanks guys...i look forward to crossing paths with you all!

~Jason
 
#31
No trouble "hijacking" such an old thread in my book? You could PM (now called "start a conversation" with Jerrold Tiers by clicking on his name. He most likely still has the input plate/crossover info from his years spent at SLM/Ampeg.
He supplied the wiring diagram above. The speakers are 6 ohm impedance each. I have no idea where to find them.
 

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