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banananana Pugs!

Discussion in 'Home Cinema Building DIY' started by shodan, Jul 23, 2002.

  1. shodan

    shodan
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    Hi fellow boarders!

    I made a couple of runs of speaker cable with the cat 5e (Pretty impressive) but I've not terminated them. My Amp is the Yamaha RXV595a and although it has binding post's, it will not except banana plugs. My speakers are (flipping great) Celestion 15i's (anyone else got these oldies but goldies) and they have binding post's.

    My question is, is it worth me terminating the speaker end of the cable with banana plugs? Will it really make a difference?

    Thanks
    John
     
  2. CodeThief

    CodeThief
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    It will make a difference to aesthetics and speed of changing connections, but I believe that the best connector is no connector at all (or so I hear). so it's up to you really, take a look at my DIY Interconnects thread which has some piccies of my banana plug terminted CAT5 at the end.

    Dave
     
  3. ReTrO

    ReTrO
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    The best connections that you can use are Airloc banana plugs. They are crimped on to the cable and are air tight to prevent tarnishing which causes signal degration(sp?).
     
  4. GaryG

    GaryG
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    John

    Just to expand on ReTro's post. Technically the best electrical connection is bare wire, however, if you are using copper wire (CAT 5) then over time the wire will oxidise, increasing the resistance of the connection to your speaker which will result in a degradation of the sound quality. Terminating the cable with bananna plugs which are usually gold plated stops the oxidation process. This is achieved by a mechanical weld in the plug, either by crimping or screw, followed by soldering to prevent air reaching the bare copper thus preventing oxidation.
     
  5. Guest

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    hi shodan,

    Are you sure that your amp won't accept banana plugs?

    Most have blanking plates over the ends of the binding posts that can be prised off with a stanley knife to allow banana plugs to be inserted. This is because the EU deem that banana plugs are unsafe, as in some EU countries they would fit into mains wall sockets...

    As would a million and one other un-banned things, but hey.

    Don't know your amp specifically, so apologies if I'm talking out of my ass.

    Owain
     
  6. SeaneyC

    SeaneyC
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    Hey everyone, my first post!

    Just a quick clarification, to Owain_thomas (i think that's your ID) good point, those eurocrats put covers over the amp outputs USUALLY as there have been reports of small (and probably curious larger) children putting the 4mm plugs into european style sockets with rather adverse affects to amps and/or speakers. Probably somethign to do with the 240vac going through them i would imagine!

    Fortunately we got away with putting the small plastic covers on that prise off, however it appears that some of the Japs (my yamaha amp included) put in binding posts with 2mm connections instead of 4mm. You can imagine my frustration when i eventually found the 2mm plugs but having wired my QED anniversary speaker cable into them, they snapped off after about a week. Fortunately i was just testing so i spent the rest of the money on a decent wire stripper.

    Sean

    (Now running all speaker cables bare...... why didn't i think of this before!)
     
  7. museumsteve

    museumsteve
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    can the Denon AVCA1SE accept banana plugs..:)
     
  8. perry ferrit

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    Hi steve, yes the AVC-A1se will take bannana plugs, well mine will but you have to get a little flat screwdriver to flick out the pluggs that plug the holes in the centre of the binding posts. Hope this helps.
     
  9. museumsteve

    museumsteve
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    thanks mate..:) know what I'll be doing this weekend..:D
     
  10. paiger

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    How are these Cat 5 cables? I have been reading www.tnt-audio.com with great interest. I currently have Cable Talk 3.1's which are huge (as was the trend 5 years ago). They sound little better than cheapo electrical shop cable and not as good as some QED silver I tried a while back. I'm looking to make some Cat 5 Bi-Wire cables.

    Anyone know if Sony use 4mm banana sockets? Could have a look I spose.

    Steve
     
  11. buns

    buns
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    so the airloc's are best, but where to get them?!

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  12. ReTrO

    ReTrO
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    The only place to get Airloc plugs is at an Airloc dealer. This should be most that sell QED cables. The Airloc guns and plugs are distributed by Veda who also distribute QED.

    Your local Hifi/AV dealer should have them.
     
  13. buns

    buns
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    I presume my local dealer will also remove most of my limbs before giving me them! What money would we be talking?

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  14. ReTrO

    ReTrO
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    Depends on if you are buying new cables or not. Typically can around £5 a plug, mainly for labour charges, as it can take a while to do them.
     
  15. buns

    buns
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    I was actually wanting to be able to do them myself!

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  16. ReTrO

    ReTrO
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    I ypu wanted to do them yourself you'd need to buy one of the crimp guns which are not cheap.
     
  17. buns

    buns
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    Ok.......so to start over again, what are the best terminations can use myself!?

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  18. MikeK

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    Screw fixing 4mm banana plugs with heat shrink sleeving.

    Decent plugs are about a quid each from CPC.
    Both CPC and Maplin do the sleeving (I think Maplin sell it by the foot - or at least they used to - it's not very expensive
     
  19. buns

    buns
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    Could you explain what you mean by that? I understand screw fixing, but the image i have is screw fixing onto the heatshrink, which isnt ideal!

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  20. MikeK

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    Slide a length of sleeving over the cable, then screw the plug on fairly tightly, then slide the sleeving back up the cable and over the plug.
    Then get the heat gun/hairdryer and shrink the sleeve, making the connection "airtight".
    (take care not to melt the cable insulation jacket - doubtful a hairdryer would get hot enough, but a heat gun would if you use it too close)

    You could probably do it just as well with insulation tape too, but it won't look as neat!
     
  21. buns

    buns
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    I understand now! Basically seal in the plug with the heatshrink! Easy peasey! Thakns

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