Question about Boston Acoustics (BA7800) Computer Speakers

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Adapting Boston Acoustics BA7800 for use with TV

I want to use my Boston Acoustics BA7800 system with a new TV. I got the system for use with my Gateway PC, and it works well.

I started to hook the BA7800 system to my new TV, but cable that connects the woofer base to the output source (previously the computer) has three 3.5 mm (1/8") stereo (TRS) connectors, but for the TV I need RCA male connectors.

Do you have any advice?

Thanks!

John

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  • jrd77 Jan 09, 2008

    My email address is delfsj@verizon.net



    Thanks

  • jrd77 Jan 09, 2008

    Thanks. Now I see how to adapt to the RCA plug. However, there are three male 3.5mm stereo (TRS) plugs (pink, green, and black) coming from the speaker system - and on the TV there are only two RCA female inputs (L-white and R-red). How do I deal with that?

    Thanks,

    JD77

  • jrd77 Jan 09, 2008

    Thanks. With regard to the three stereo male connectors coming from the speaker system, I think one of them (the pink one) is probably for the microphone going into the computer. That leaves 2 that I need to use - the green and the black - each of them will split into two RCA male plugs. I'm assuming one is for the stereo in the front - and the other for the back speakers. Will it be OK to plug the both of the "L" plugs into the "L" TV plug and both of the "R" plugs into the TV "R" plug (via the female RCA splitters)?

  • jrd77 Jan 09, 2008

    I want to thank you both - BLACKLORD1 and Dyllan - for solving my problem. You both were very helpful - and I'm delighted with the Fixya service. Saved me a lot of time as well as meant that I have a solution that means I can now use the system in the way that I had hoped. Thanks!

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Here's what you need:

http://www.vpi.us/cable-audio.html

Scroll down to the 3.5mm Stereo Jack / RCA Plug x 2 Y-Cable

Converts your TRS connectors to dual RCA plugs. You said you have 3 TRS connectors. Does the TV have 3 sets of RCA plugs you can use with this? If not, you may not be able to get full surround sound, just stereo sound, from your TV - and you'll need some RCA splitters to plug two (or three) cables into one port. I know you can get those at Radio Shack.

-Dyllan

Posted on Jan 09, 2008

  • John Goodman Jan 09, 2008

    Yes, that should work fine. Whatever's plugged into the R plug will play whatever sound is intended for the right speaker, and the same goes for the L and the L speaker.

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Yes,, you local electronics shop will sell a 3.5mm to double RCA y converter or adapter :)
just buy it and use it thats all :)

Posted on Jan 09, 2008

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  • Rishi Roshan Ali Jan 09, 2008

    Here is one that what it looks like, but insted of a male 3.5mm you can get a female 3.5mm http://www.hardwarecooling.com/product_i...

    hole let me see if i can find a pic with a female one

  • Rishi Roshan Ali Jan 09, 2008

    Here is a single RCA

    http://www.cablesforless.com/browseprodu...

    You can get a y adapter and use it with that, the Y adapter has 1 female rca to 2 male rca


  • Rishi Roshan Ali Jan 09, 2008

    Ok HERE IS A PIC OF WHAT MINE LOOKS LIKE

  • Rishi Roshan Ali Jan 09, 2008

    2x RCA Male to 1x 3.5mm Stereo Female Y-Adapter Cable

    THATS THE NAME OF IT AND YOU CAN GET IT HERE

    http://www.networkscable.com/specs/30s1-...

  • Rishi Roshan Ali Jan 09, 2008

    or your locol electronics shop

  • Rishi Roshan Ali Jan 09, 2008

    Ok that easy there are 2 ways

    1.) there is a conversion box that converts 3 3.5mm to 2 RCA used to convert Computer speaker system to adapt to the tv

    Its called A STERO RCA 3.5mm adapter you can get it at your locol electronics shop but it is a bit expensive



    2.) you can convert the 3 3.5mm to 1 3.5 mm using an 3.5mm adapter

  • Rishi Roshan Ali Jan 09, 2008

    THE ADAPTER IS CALLED A



    Mini Stereo to duel rca adapter it made by logitech

  • Rishi Roshan Ali Jan 09, 2008

    The adapter looks like a black box with 3 3.5 mm on one end and 2 rca on the other



    Its cheaper and easier to convert tyhe 3 3.5mm to one and then use the y adapter i specified above...



    ANOTHER CHEAP WAY WHIC I RECOMEND IS



    1.) connect the green 3.5 mm into the y adapter i specified above

    2.) hook it up to your dvd player and set the system or dvd player to play doble digital 2.0 where the entire system and all speakers will play so you dont need to hook up the orange and black ones

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