okay so i just said hell with it its 60 bucks i bought the anarchy 1500.1 wich i already know it says 1100watts rms its only really like 700watts rms and im running the two infinity 12s and put it this way i feel stupid for spending all that money i used to spend on high end amps one issue im having is settings i know the 2v-8v switch is right the problem is with input sens. and crossover shoudl it be set at low pass or full range now i attempted setting gain i turned deck to 3/4 volume but speakers never distorted im sure im doing something wrong baecause the subwoofer nob doesnt do anything
so right now its set roughly 3/4 gain switch is at full range no idea what the crossover cutoff freq is set to it doesnt seem like it does anything like the subwoofer knob okay does the crossover switch on either amp have to be set to HP LP not full range in order for the knob with the freqs. to work or the sub volume nob
Really dude. You need to use punctuation, and capitalization in your posts. I think you'll find you get way better results when people can understand what the hell your trying to say.
The 2v/8v switch is to match the line level inputs to what your deck can output. Basically if you have a deck that has standard outputs you'll want the 2v choice (It makes the amps inputs more sensitive for the lower deck output, but it can let noise into your system). If your deck has high outputs (4v or 6v for example) you'd want the 8v setting (obviously make the amp inputs less sensitive, but lowers your possibility of unwanted noise). Your crossover tells the amp what frequencies to ignore/amplify. High pass causes the amp to ignore lower frequencies, and play higher ones. What that cut off frequency is may be adjustable, or it may be fixed. Obviously if it's adjustable you will see the switch/ or knob to do it. A high pass setting is typically used for your main speakers when you also have a sub because it keeps the lower frequencies that are harder for smaller speakers to play from getting to them which lets them play louder without distortion. A Band Pass setting lets the full range of frequencies to your speakers for when you don't have a sub. So you can hear all the frequencies of your music. The Low Pass setting is for your sub-woofer. It directs only the lower frequencies to the sub so your not wasting power trying to play frequencies from your sub than can easily be handled by your main speakers. Gain. I would say there are as many ways to set gain as there are opinions. Really the absolute best way to set gain is to use an oscilloscope to measure each of your components output watching for distortion. Really though unless your in competition I would call that overkill. How I like to do it is turn my deck about 3/4 the way up and then slowly bring up the gain until either I can hear distortion (which then I'll back it down a bit), or the volume level is as loud as I would think I'd ever want it. Then at the same setting (3/4) I'll bring up the sub gain to (again) either distortion, or as loud as I'd ever think I'd want it. The thing to remember with gain is you want it as low as possible. The higher the gain the more easily the amp can/ or will pick up noise. (Now you didn't mention it, but I will explain it for your knowledge.) Slope is how aggressive (or how quickly the sound will drop off beyond the setting) the cross over will be at the set frequency. A 2dB slope will be less aggressive than say a 4dB setting.
I don't know the specifics of that particular amp, but typically all a sub knob does is raise/lower the gain to set points above-below the main gain setting. A bass boost knob may do the same thing, or it may boost a certain frequency range to accentuate those frequencies.