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    Thread: Adding External Subwoofer - the easy way

    1. #1
      saber007's Avatar
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      Adding External Subwoofer - the easy way

      This may not be new info to some of you but others may find it really useful as I did.
      For ages I have been looking at how to best hook up a sub to my pins to give that extra boost. I know there are lots of places that sell adaptors for your machines but with so many machines out there it just became a nightmare to hold all these adaptors depending on the machine and they are not cheap coming from the US.

      So after reading around a bit this is what I came up with.
      Hope you find it useful.

      Parts needed (this will do 2 pins)
      1. External Powered Subwoofer with high level inputs. Not the RCA ones but speaker inputs.
      There is one in the states called a Polk PSW10 that the guys on pinside suggest but you can't get it in oz.
      So I found this one instead.
      https://djcity.com.au/product/shfs10...oundsubwoofer/
      Only $150.

      2. Alligator clips, or you can just solder to the pinball speaker terminals

      3. Speaker Wire, you don't need high end stuff. We are not running HD audio here.

      Process.

      First connect the speaker wire to the sub in the pin cabinet.
      For this test I just wrapped the wires around the terminals. But you could solder them later or use alligator clips.


      Then feed the wire down the side and out the back of the pin.
      You may need to pop one of the staples up to get under the grill.


      Then on the back of your sub connect the wire to the high level inputs. This allows you to "piggy back" of the speakers in the pin without causing any damage or increasing the Ohms.
      Now this is the best bit. Because Pins are mono you can hook one pin up to left in and one to right in and BOOM two for one.


      I used a spare Super Cube sub I had but I will be testing cheap $150 one in the next week.

      I currently have this set up on two pins that are next to each other and the difference is amazing. I was going to go buy Speaker Upgrades but now I am not going to bother.
      Bang for buck I think this is one of the easiest and best upgrades you can make to your pinball machine. If you get the $150 sub that is only $75 per pin..... BEAT THAT... lol

      Happy Thumping.




      Sent from my iPad using Tapatalk

    2. #2
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      Nice! I go right past one of their stores every day.

    3. #3
      ItsUrFeminitzNYImNietYoma's Avatar
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      but this reminds me of a trip from Melbourne to Sydney (and back) me and friend who used to install car stereos, made one year.

      We hired a car from Melbourne Airport, he brought a bazooka tube he had lying around (should've seen the lady's face when we walked in) and we hooked it up to the rear speakers the same way you did and we had doof doof all the way up and back .

    4. #4
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      Pardon my ignorance but would connecting 2 pins to one subwoofer have any adverse effects when both pins are played at the same time??
      Last edited by Snjspiteri; 1st September 2016 at 09:07 AM.

    5. #5
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      Quote Originally Posted by Snjspiteri View Post
      Pardon my ignorance but would connecting to pins to one subwoofer have any adverse effects when both pins are played at the same time??
      I assume you mean "two"pins" and if so DO NOT CONNECT THEM TOGETHER as you will blow up boards.

      Buy TWO subwoofers.

    6. #6
      ItsUrFeminitzNYImNietYoma's Avatar
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      Quote Originally Posted by Homepin View Post
      I assume you mean "two"pins"
      Mike I think @Snjspiteri was referring to the OP's comments of:

      ...Parts needed (this will do 2 pins)...
      Later down the page:

      Now this is the best bit. Because Pins are mono you can hook one pin up to left in and one to right in and BOOM two for one.
      Then

      I currently have this set up on two pins that are next to each other and the difference is amazing....<snip>....If you get the $150 sub that is only $75 per pin..... BEAT THAT... lol
      So @Snjspiteri is asking is this safe??

    7. #7
      Homepin's Avatar
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      Quote Originally Posted by The Brownish Bomber View Post
      Mike I think @Snjspiteri was referring to the OP's comments of:



      Later down the page:



      Then



      So @Snjspiteri is asking is this safe??
      I'm unsure - this is the confusion that reigns supreme when people take shortcuts with English or just use wrong words. I read the following OP - as translated below it:

      "Pardon my ignorance but would connecting to pins to one subwoofer have any adverse effects when both pins are played at the same time??"

      This sentence is saying that they have TWO pins ("to") side by side and wish to connect ONE sub to BOTH PINS.

      I keep saying that grammar and spelling are important - in this case the lack of clarity in the post could lead to serious electronic damage to TWO machines, or so it seams (sorry, SEEMS) LOL.

    8. #8
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      Hmmm… Seeing that the subwoofer has two high-level inputs, it'll definitely keep the inputs separated, otherwise the sub would destroy any stereo amp that is connected to it.

      But, as far as I can see, this still doesn't mean that it would be totally safe to connect two separate pins to it (one to each channel). At the very least, you'd run the risk of setting up a ground loop. Depending on how much the ground planes of the two machines differ, that could potentially destroy the audio output stage of one of the two pins.

      To be safe, I would probably have only one pin connected to the subwoofer at a time and, when changing connections, disconnect one pin before connecting the other. Or find a simple two-way speaker switch, so you can change which pin plays without having to muck around with wiring (and risking a short for the pin that's currently disconnected).

      Michi.

    9. #9
      Snjspiteri's Avatar
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      Sorry for the typo all yes I meant 2 Pinballs and have edited post. Thanks also for the feedback regarding what might happen when connecting 2 pinballs to the same subwoofer.

      However according to Saber007 initial post isn't that what he is saying he has done? Not very good advise if that is the case??

    10. #10
      ItsUrFeminitzNYImNietYoma's Avatar
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      Adding External Subwoofer - the easy way

      @Homepin, for clarification, please ignore every post in this thread and read post 1 (again) and please comment on what he has done.

      It seems that he has connected 1 powered subwoofer to two (2) machines, but it's not clear that the machines are being played at the same time (or at least both on at the same time). Is either scenario safe?

      I mean no disrespect, but your posts (to me) read like you read post 4 without fully reading post 1.

      It seems @Michi in post 8 has answered it, but I'd like your clarification also as I know your experience but not michis (no offence Michi).
      My mission (if I choose to accept it ) is to find every TZ on the planet and get them corrected if their caps are in the wrong order. Hardest part will be getting the flyer corrected

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