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Can a subwoofer be hooked up in Series with speakers?

Discussion in 'Electronic Repair' started by Raventy, Jun 25, 2005.

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  1. Raventy

    Raventy Guest

    Hey guys,
    I have an arcade machine which inside has 4 speakers and a subwoofer.
    Durring the moving of the machine, the subwoofer broke loose along with
    its wires and I cant exactly figure out where it hooked into. Can
    subwoofers be hooked in series or parallel with speakers or do they
    need some special connection for them?
     
  2. Depends. If it has its own filter/crossover, it can probably be put
    in parallel (not series). Otherwise, not.

    Kal
     
  3. NSM

    NSM Guest

    Dual coil?

    N
     
  4. Raventy

    Raventy Guest

    Kal- How do I tell if it has its own filter/crossover?
    N- What is Dual Coil?
     
  5. NSM

    NSM Guest

    A dual coil subwoofer has four speaker terminals, two left, two right.

    N
     
  6. You look for it or for printing on the outside which indicates it.
    If you do not know what/how, find a local who does.

    Kal
     
  7. Raventy

    Raventy Guest

    Well it only has 2 terminals on it so I guess its not dual coil. The
    label on it is almost all gone.. all I can see is that it says its an
    8ohn subwoofer. Will hooking this in parallel hurt anything even if its
    not designed to be in parallel?
     
  8. NSM

    NSM Guest

    Don't do it. Better to do without. Wait until you find an expert or a
    manual.

    N
     
  9. It depends on the existing speakers and amp. If the existing speakers are
    8 ohms and the amp says it can drive 4 ohm ones, then two 8 ohm speakers
    in parallel give 4 ohms. Approximately. Since no two different speakers
    are uniform 4 ohms across their range.

    However, the normal way to drive a sub is to take a feed from both left
    and right via a pair of buffer amps and parallel them. Then have a
    separate low pass power amp for the sub to allow it to be adjusted to suit
    room acoustics and your main speakers, etc.
     
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