20 Most Recent Alphasonik Mayhem PSW912 Car Subwoofer Questions & Answers


they can be easily blown/burned out

Alphasonik... | Answered on Oct 14, 2011


you can only do that if your sub has a switch on it otherwise just hook it up and pound it

Alphasonik... | Answered on Sep 08, 2011


If it is an open air sub ( hole with mesh in the center of the magnet) no ports are required, and the box should be sealed on the inside with silicone sealant. If it is a closed air sub ( no hole in the magnet) you need a 50mm port about 120mm long Box size will be 13 inches x 13 inches x 13 inches

Alphasonik... | Answered on Jun 08, 2010


I used to compete with these subs, and found that for street beat 2.7 cu ft ported tuned at 38 hz was the best for this sub.

If using for max SPL your tuning will be much higher, like around 55 hz. But that all depends on the vehicle.

Alphasonik... | Answered on Aug 09, 2009


Have you tried to hook up another sub (spk) to the amp? Or just wire it to a stereo to see if it works? single voice coil or dual?

Alphasonik Car... | Answered on Aug 16, 2016


Your manual should have all info inside.

Alphasonik Car... | Answered on Dec 24, 2014


Generally speaking if the voice coil is actually 'blown' (accepted too much power therefore reads as a short when connected to an ohmmeter) It would be cheaper to purchase a new sub woofer.

90% of the speaker manufacturing price is in the voice coil. The cage, driver and dustcap as well as the surround are inexpensive components.

I would suggest testing the voice coil with an ohmmeter first before you decide what to do. If the meter doesn't read a short then its likely a TV repair shop can reconnect the lead that attaches the terminal to the voice coil.

Alphasonik Car... | Answered on Aug 11, 2009


try going to this http://forum.ecoustics.com/bbs/messages/4/74.html this might help but sorry if it doesnt

Alphasonik Car... | Answered on Apr 25, 2009


Audio amplifier IC´s damaged you need to replace them.

Alphasonik Car... | Answered on Sep 18, 2008

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