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2 - 4 ohm question

This is a discussion on 2 - 4 ohm question within the Stereo and Electronics forums, part of the General Help category; Hey guys, the 6.5 subs in my firebird's monsoon system were blown, so I grabbed a set off ebay to ...

  1. #1
    Member dreaded_hope's Avatar
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    2 - 4 ohm question

    Hey guys, the 6.5 subs in my firebird's monsoon system were blown, so I grabbed a set off ebay to be a cheap and easy solution to my problem. However after trying to replace them, I realized that the Camaro's used a 2 ohm system while the Firebirds used a 4 ohm system. Turns out the ones I got off ebay were out of a 2000 Camaro and are 2 ohm. Is there any way to get this to work properly, or will the speakers be extremely quiet if I do try to splice them in? Any advice? Thanks for your help.
    1997 Firebird 3.8L
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  2. #2
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    the cars should use the same amp

    but actually the speakers will be louder

    4 ohms is more resistance than 2 ohms

    therefore if the stock amp is like 22 watts rms per sub at 4 ohms
    then in theory it will be 44 watts rms per sub at 2 ohms.

    these amps are fused so there shouldnt be any problems.
    because i dont think there is any diffrence in the amps

    but i could be wrong.
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    Firebird 6.5s are 2ohm

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    Member dreaded_hope's Avatar
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    Mine are 4 ohm, I've already taken them out. I've read that the Birds 6.5 subs were all 4 ohm.

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    Junior Member NavyBlue99TA's Avatar
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    I thought the whole system had 4 ohm speakers. I just blew one of the speakers that are in the collumn between the door window and the hatch. Is this one of the 6.5 subs or are those in the back?

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    The subs are 4-ohm...But they're dual 4 ohm....So they are parelleled at the amp to make 2 ohms...The system uses 2ohms except for the rear hatch speakers are 4ohm. The hatch speakers are 4". 6.5"s in the doors and sail panels.

  7. #7
    Member dreaded_hope's Avatar
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    So will I have problems using 2 ohm speakers in place of my 4 ohm speakers? I know I have to splice them in because the connectors are different.

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    It's cake to wire around the monsoon system...The best thing you can do is buy an aftermarket head unit and wire around the amp...10X better sound...2 GM 88-up wiring harnesses wired together...Simple.

  9. #9
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    If you put 2 ohm speakers where 4 ohm speakers were, they will play twice as loud until the amp overheats. But, if your 4 ohm speakers are dual 4 ohm (meaning there are 2 voice coils and 2 sets of contacts on each woofer) you will be fine because they were wired in parallel to create a 2 ohm load.

  10. #10
    ruff ruff rotwiler's Avatar
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    You can put in the 2ohm subs out of the Camaro in the firebird, just use only one set of wires(not both). They shouldn't be any louder since even the Pontiac cars dual 4ohm subs are seen as a 2ohm load at the amp. The dual 4ohm subs probably can handle a little more output, but shouldn't make a noticable difference.

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