(Topic ID: 239060)

New Amplified Subwoofer Kits by PinWoofer

By PinWoofer

7 months ago

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  • 320 posts
  • 55 Pinsiders participating
  • Latest reply 5 days ago by paynemic
  • Topic is favorited by 60 Pinsiders


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    #62 7 months ago

    I've been waiting for something like this and plan to check out the site and order likely. If I could spec it myself I'd prefer an option with a separate plug and a circuit that cuts when no sound is detected like my home theater subs because my only concern is power requirements.

    #71 7 months ago
    Quoted from Rdoyle1978:

    You also have the option of rewiring the power box to turn the service outlet on and off with the game, and then just using a wall wart. 10 minute mod, and you can plug whatever you want into the service outlet. On my games which have multiple high-drawing mods, I plug in a power strip to keep the mods off the game driver board.

    Nice! Is there a guide for this anywhere?

    Combine that with a direct plug for the amp and I would buy for all my games.

    #73 7 months ago

    There was a good point in the switching power guide thread:

    Quoted from markmon:

    You guys should know that line level input is not intended for speaker wire inputs. Those are found on sub amps that say "high level input". High level inputs are designed to show almost no added resistance to your amp. This is very important as it prevents over heating and blowing your amp. Using speaker out to line level input may produce an undefined load to your amp causing it to heat up or blow. In this case, the amp is your av board amp in your backbox. On a 20-30 year old game, you definitely do not want to stress those components even further. And saying "it seems to work ok for me" is no response to this as it may work for a while while stressing the board in your pin to failure. Before attaching the speaker wires to this thing, someone needs to measure impedance on the RCA jack input at the very least.
    The way to properly wire this is to intercept the line level input on the av board before its sent to the internal amp.
    Further, wiring line level input up to high level input will add a lot of distortion as the sub input is expected to be a set "line level" volume.
    Further, not having auto sensing means this thing will be constantly powered and generating heat 24 hours a day even when your machine is off, assuming you use the service port. The OP's instructions for modifying the port must be used. Or cut the power cord and wire directly to the white / black wires near the coin door for the bill validator. These are switched 110v. Remember if you mod your service port, you can't plug in a soldering iron when machine is off to do repairs.
    Therefore, I would not use this in a pinball machine.

    2 weeks later
    #150 6 months ago

    I've been holding out on buying one to see what's in version 2.

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