20 Most Recent Autotek SX900X Car Audio Amplifier Questions & Answers

There is a place in the Toronto area called "All In One Electronics" and you may either be able to get them to fax you the schematics, or ship them the unit for repairs.
I worked there years ago, and trust me, these guys can fix anything either to factory or better.
In many cases where there are known factory spec downfalls, they have improved the design so that when they fix it, it STAYS fixed.

I have several .

Thats gone be hard noone in they right mind gone give that up im lookin too

Ebay or craigslist is a good start. both are worldwide sellers. Looks pretty cool

Please give area of country you are inquiring about

Down load a program call bass box pro and it's realy easy to use it will ask you what type of box you want then speaker specs after that put in the specs or the size of space you have to put it and it will automatically figure it for you and tell you program is all over the Internet

for stereo speaker #1 (white = pos ,green = neg.) speaker #2 (yellow =pos. ,blue = neg.) for mono white = pos., blue = neg.

for that amplifier, it is recommended that you are driving a 4 ohm load. It can drive a 2 ohm load, but will produce more heat and shorten the life of the amplifier. Is the subwoofer a single or dual voice coil? You'll want to make sure that you're not running below a 2 ohm load or you'll always go into protection. Also, try disconnecting the speaker wire completely from the amp so nothing but power is connected. If the amplifier is still in protection mode when no speakers are hooked up, then the amp is bad and will need repair or replacement.

The only thing I'm wondering is if you shorted out the RCAs somehow. Try switching the RCA's to another output on the back of the deck, if you have more than one set. If that's not it...you will have to add pieces of the system one by one, starting at the deck, to see if you can troubleshoot the problem. Very Odd. Good Luck

need more info

Contact Eric @ Capital Audio & Electronics repair in Tallahassee FL we trepair all brands & models 850-339-1130

MAKE SURE THAT THE POWER AND ESPECIALLY THE GROUND CONNECTIONS ARE 100%. REMOVE THE RCA INPUTS AND SPEAKERS. POWER THE AMPLIFIER UP AGAIN UNDER THIS NO INPUT, NO SPEAKER LOAD CONDITION AND IF IT STILL GOES INTO PROTECTION, THEN IT WILL NEED TO BE SERVICED. LET ME KNOW IF I CAN BE OF FURTHER ASSISTANCE.......V

sounds like the protection circut of amp. check for solid ground and continous power from battery. Doed it get very hot?

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