ma audio 8 sub voice coil problem?

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kulavc3

Member - Posts: 5

Joined: December 14, 2005

Posted: December 14, 2008 at 7:20 PM / IP Logged

Hello...I have a MA audio 8 inch dvc sub and upon installing and testing i noticed it wasnt working correctly....The sub was wired in parrellel and in series but there is no sound. I have checked all wiring and everything is ok. One more thing I did was individually test each coil and the sub worked when only one of the coils was hooked up, and it also didnt matter which coil was tested individually. This is the part which I found very weird. BOTH coils work individually but not when wired together.

Any Ideas or Help would be a great.

i am an idiot

Platinum - Posts: 13,672

This member consistently provides reliable information

Joined: September 21, 2006

Location: Louisiana, United States

Posted: December 14, 2008 at 8:27 PM / IP Logged

Did you wire it as per the following diagrams? It sounds like you have the coils wired out of phase.

Option 1 (parallel) = 2 ohm load

Voice coils wired in parallel

Recommended Amplifier: Stable at 2 or 1 ohm mono

ma audio 8 sub voice coil problem? -- posted image.

Option 2 (series) = 8 ohm load

Voice coils wired in series

Recommended Amplifier: Stable at 4, 2, or 1 ohm mono

kulavc3

Member - Posts: 5

Joined: December 14, 2005

Posted: December 15, 2008 at 2:27 AM / IP Logged

I know that I wired it right...im not a novice at...im pretty sure there is a resistance issue that is causing it....Ive ran the wires in every single possible configuration.

i am an idiot

Platinum - Posts: 13,672

Joined: September 21, 2006

Location: Louisiana, United States

Posted: December 15, 2008 at 6:09 AM / IP Logged

Use a battery and see if the woofer pops with both coils connected. Maybe the novice manufacturing staff over at Audiobahn mislabeled one set of the terminals.

paidnfull

Copper - Posts: 125

Joined: October 24, 2007

Location: Texas, United States

Posted: December 15, 2008 at 9:40 AM / IP Logged

lol nice

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ma audio 8 sub voice coil problem?

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