Broken v30?

[RichMinerva]

ive just installed my v30's into a zilla cab and started playing it today. well its started making this horrible farting sound when letting a palm mute ring out....any ideas :/

 

[AgentX]

Sounds silly but did you wire the speaker polarity +/- correctly?

 

[RichMinerva]

i THINK so but i wont lie to you im not the best at stuff like that so i will check it in the morning.

it worked fine for a few days though and now its doing this :/

 

[guitarguru1969]

Plug your speaker cable into the cab and get a 9 volt battery. Touch the sleeve (of the speaker cable) to the neg terminal of the battery and the tip (of the speaker cable) to the positive terminal of the battery. Both speakers should move together, not against one another. Hope this helps. If they are backwards change the offender. I believe doing it in this manner the speakers should move outward? Maybe someone could try this out for him, I am at work.