Question about Ultra Linear UL-2200D Car Audio Amplifier
Yep. Finals in amp or possibly wire touching somewhere...even voicecoil in sub. Try with a different sub if possible. Process of elimination.
Posted on Sep 06, 2017
Seems that the output stages of amp are blown and it shuts down for self preservation. When you do a lot of blasting amp failure is common especially if you use an equalizer to "soup things up." If you are blasting along at 1000 watts and you add 3 db of boost at a frequency the amp will double the power at that point, If you go up 6 db now the power is up to 4000 and exponentially. And transistors are not like tubes that know their limits.- given the chance they will simply blow themselves away providing power they do not have! You have to be careful at high volume levels.
Posted on Sep 06, 2017
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Posted on Jan 02, 2017
You're using the wrong control wire. You're likely using a wire marked antenna control. You need to use the one marked amp control. They are both blue.
Posted on May 22, 2008
yeah it will run them but you won't get your full power because the rms for your subs is high. try bridging them with some 8 gauge wire, and of you got a crossover it will help you out alot
Posted on Feb 22, 2009
SOURCE: How to wire a sony 1200 watt amp
I believe what your trying to do is to run 2 12" subs and some other satillite speakers? We used to do that all the time.. That is called running the amp in "mixed mono" that's where the mids & tweets are run in stereo while the subs are bridged mono. This configuration is what made Rockford Fosgate "The Bomb" back in the day. To do what you want your subs have got to be 8 ohms, NOT 4, Dual Voice Coil 4 ohms would be OK. Before i tell you how it can be done let me tell you what will happen... For one thing you will be "making" your own cross overs for the subs and mids and tweets. Forget about using the cross overs on the amp. 2ndly you will lose about 1/3 to 1/2 of the amps power because the crossovers are so inefficient, so don't even think your going to get anywhere near 1200 watts from the amp. More like 300, and that's on a good day. But if you still want to do it you go to your Radio Shack and get 1ea 6.0 mHy (milhenry) coil and two 47 mfd (microfared) capacitors, or something close to that value. So you would wire your mids & tweets normal in stereo and on the + line to each mid wire in the 47 mfd capacitor. That is your h/p crossover which will crossover your mids @ appx 130hz. Now on your subs. You want to wire them in parellel (both +s twisted together and both -s twisted together so it looks like there is just one woofer with a + and a -) Than from the L+ of the amp run a wire to the coil and from the coil to the + of the woofers, than using the R- of the amp to the -s of the woofers. Do not use any of the amps built in crossovers leave it on full. Good luck. Mark @ Sounds Good to Me Tempe, AZ
Posted on Aug 26, 2009
SOURCE: amp turns off
what ohm is it running at? if you have all three hook up it parallel then its to low of ohms and it would be louder if you unhook your 10" sub as it moves differently form the 12"s and it cancels out some bass. but if you want it then you have to change the wiring around a bit. take the positive wire off a 12 and put it on the positive side of the 10 and then take the ground for the 10 and hook it up to the positive side of the 12. so you should have one wire from the amp going to the negative side of the 12 and one going to the positive side of the 10 and a jumper wire from the 10 to the 12. and if it still shuts off then you have bigger problems.
Posted on Sep 25, 2009
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