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Re: 2 hook-up questions:
1- Don't do it. Different sizes, resistances, or types or subs are not meant to be mixed. You want both of your subs to play at the same rate so they don't cancel each other out. Different resistances will cause one sub to get more power than another. Different sizes means one will hit at a lower dB then the other, so tuning won't be done properly, and they'll most likely cancel each other out abit, resulting in a crappy sound. Different brands means they're going to respond differently to the power and signal. Again, tuning won't be done properly and most likely end up sounding worst than 2 of the same brand subs.
2- Resistance- Speakers can be wired in 2 ways: Series or Parallel. In series, you just simply add the resistance of the subs together to find the total load. Ex: 4Ohm+4Ohm=8Ohm wired in series; 4Ohm+8Ohm=12Ohm is wired in series. Wiring in series is where the speakers are "linked" together. The + from the amp goes to a + on 1 speaker. You then go from the - of that speaker to the + of the next speaker, and so on until you get to the last sub. For the last sub, the - from that speaker goes to the amp's -. Parallel wiring is where the amp's + goes to the + on all the speakers, and the amp's - goes to the - on all the speakers. The final load of parallel wiring is the speaker's load divided by the number of speakers. Ex: 2 4Ohm speakers=2Ohm load because 4/2=2. However, when you have speakers of different resistances, you must find the average resistance and then divide by the number of speakers. Ex: 4Ohm+12Ohm=4Ohm. Why? Because 4+12=16 divide that by two to get the average resistance, so it's 8. Then divide that by the number of speakers, which is 2, to get a final resistance of 4Ohm.
I'm no audio expert, I've learned everything I know right from this site and google. Search and you'll find the answer to everything :D
Originally posted by slow6
2- Resistance- Speakers can be wired in 2 ways: Series or Parallel. In series, you just simply add the resistance of the subs together to find the total load. Ex: 4Ohm+4Ohm=8Ohm wired in series; 4Ohm+8Ohm=12Ohm is wired in series. Wiring in series is where the speakers are "linked" together. The + from the amp goes to a + on 1 speaker. You then go from the - of that speaker to the + of the next speaker, and so on until you get to the last sub. For the last sub, the - from that speaker goes to the amp's -. Parallel wiring is where the amp's + goes to the + on all the speakers, and the amp's - goes to the - on all the speakers. The final load of parallel wiring is the speaker's load divided by the number of speakers. Ex: 2 4Ohm speakers=2Ohm load because 4/2=2. However, when you have speakers of different resistances, you must find the average resistance and then divide by the number of speakers. Ex: 4Ohm+12Ohm=4Ohm. Why? Because 4+12=16 divide that by two to get the average resistance, so it's 8. Then divide that by the number of speakers, which is 2, to get a final resistance of 4Ohm.
I'm no audio expert, I've learned everything I know right from this site and google. Search and you'll find the answer to everything :D
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