20 Most Recent Alphasonik PMA4075 Car Audio Amplifier Questions & Answers


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


If you could tell the brand and model number I might be able to help. A picture of the receptacle at the back of the radio where the plug goes in would help too. If you can't add a picture, then a discription might be enough (number of pins, number of rows, etc.) .

Car Audio &... | Answered Yesterday


Try this. Turn the ignition on, with the engine off. Turn on the radio. Press and hold button 4. The display should change. Use the Tuning buttons to enter the code. (I think its up/down to change the numbers). Enter the first number and press button 5 to confirm. Use the tuning buttons to move along to the next number, (i think it's left/right for this bit). Repeat the method for the first number, (Set number then press five to confirm). Once you enter the last digit the display should switch back to the normal display and be ready to use.

Car Audio &... | Answered on Oct 19, 2020


It would be best if you pull the fuse panel off while your car is switched on. Pull the fuse out for about a minute! Then put the fuse back and push the power button. I hope it will solve your problem.

Car Audio &... | Answered on Oct 15, 2020


How to change japanese to english language radio VXH-089CV

Car Audio &... | Answered on Oct 14, 2020


here you go .

http://www.gps-guru.com

Car Audio &... | Answered on Sep 28, 2020


check there...

http://www.gps-guru.com

Car Audio &... | Answered on Sep 23, 2020


Make sure take voltmeter and test wires before you make any connections. In some modern (boats, cars etc) applications YELLOW is NEGATIVE (used to be memory).

Car Audio &... | Answered on Sep 16, 2020


Do you know the make and model of the radio?

You state that you are trying to unlock the radio, but at what stage are you:

1) Do you have the security code and you are just trying to enter it?

2) You do not have the security code and you are trying to get the radio serial number?

3) Something else?

Car Audio &... | Answered on Sep 07, 2020

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