12/26/2023 0 Comments Subsonic on amp![]() If you experience any popping or muddy sounding music from the subwoofer, turn the filter down lower.įor your speaker amplifier, you will have a Low-Pass and a High-Pass filter set on a switch so you can choose which to use. You need to filter out cymbals, vocals, guitars, strings, and any other instruments that are not bass or low drum type. While listening to what the subwoofer is playing, slowly adjust the low pass filter from high to low until the mid-frequencies and high-frequencies disappear. Disconnect all other amplifiers and play your favorite music type from a CD at 75% volume. A great starting point is around 80 to 100Hz on the low-pass crossover. Subwoofers are designed to reproduce low frequency bass tones, so a low-pass filter is very important. Most subwoofer amplifiers have a Low-Pass Filter which prevents higher frequencies from reaching your subs. Time to adjust the built-in crossovers on the amplifiers in your system. So, hook up only one amplifier at a time, unhook it and move on to the next one.Īmplifier Level Setting CD- AutoSound 2000 CD-104 ![]() If you have multiple amplifiers, use this method for each amplifier separately. This is the maximum volume your system will play before it might start clipping the signal. Remember to mark the gain level and the volume level should you need to reset them at a later date. Back off the gain about 1/8th a turn or until it becomes clear again. Now start playing the tone, slowly turn the gain up on the amplifier until you hear distortion, also known as clipping. With your sound system off, plug in your speakers if you disconnected them and RCA cables and then turn your system back on. If you cannot get a test disk purchase a store bought CD with your favorite music and use it instead. We recommend you use a 1-kHz sine wave tone from a test disc for this next step. Set all bass boost and crossover filters to off, and make sure your headunits built-in EQ is set to “Flat”. Now, turn the volume down to the 75% point (45 in this case) and turn the gain on your amplifier to zero. Now that we have that figured out, turn your volume to zero and plug in your RCA cables or speakers if your running off the headunit. For example, if our max volume is 60, then 0.75 x 60 = 45. 75, this will get you 75% of your max volume. Now that you have the max volume number, multiply it by. The numbers for each radio differ some might be at 10 max while others could be at 30 or even 100 max. Most radios have a numerical association, for example the max volume could be denoted as “60” on the dial. You can leave the speakers connected only if you are 100% sure no music is playing through your system. If your speakers run off of your radio and you have a subwoofer amplifier that your trying to set, disconnect all your speakers for safety, then reconnect them after you find the 75% volume level highlighted below. Disconnecting the RCAs makes sure nothing is playing through the amplifiers which would risk blowing your amplifier, speakers, subwoofers and eardrums. Next, turn your system back on and turn the volume on your radio up to max, make sure no music is playing in the system. With your sound system off, disconnect the RCA cables that run to your amplifiers. Now let’s get down to tuning!Ĥ-Channel Class D Amplifier- Kicker IX500.4 ![]() Most of us do not have an oscilloscope to properly tune a system, but the method outlined below will work well enough. This is a ballpark method for setting up an amplifier, always refer to the owner’s manual first for more detailed and specific instructions. Improper tuning can create distortion, which can sound like buzzing, crackling, hissing, whomping, and various other noises that intrude on the instruments of your music. Car amplifiers have lots of knobs and buttons that, when adjusted the right way, will make your subwoofers or speakers perform at their best. You might want to force this into your head because tuning your equipment is one of the most important things you can do.
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