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transformer polarity question US v AU

Discussion in 'Hobby Electronics' started by [email protected], Oct 24, 2005.

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  1. Guest

    I've just purchased a new piece of recording equipment from the US, and
    prior to hooking it up i wanted check whether i'm gonna frazzle my new
    The unit's input is DC in, polarity (-)--(0--(+), the AC adaptor it
    arrived with is 100-240V (50-60hz) output 12V 2.5A (+)--0)--(-).
    Any advice is greatly appreciated.
  2. Phil Allison

    Phil Allison Guest


    ** You a member of the famous Aussie 70s rock band ??

    Got a copy of "Evolution " in my LP stack.

    ** Sorree - your posted info is just not clear enough.

    Is the DC plug the common hollow tip sort ??

    More details please.

    ........... Phil
  3. Guest

    Hi Phil, sorry if my info was unclear...
    Here's a pic of it, i hope that helps clarify -

    btw. no, not a member of shud (a fan though, obviously ;).
    yep...evolution is mighty fine album, keep that one stashed!
  4. rowan194

    rowan194 Guest

    Does it have a "figure 8" mains plug? If so then you can probably
    substitute an Australian cord. Your posted specs say it can handle
    100-240V at 50-60Hz which means it handles both US and AU mains.
  5. Guest

    Hi, yes...thanks for the advice, it does have a figure 8 mains. So it
    should be good to go?
  6. Phil Allison

    Phil Allison Guest


    ** Looks like the plug is the wrong DC polarity for the device.

    You could cut the DC lead and reverse the wires with a staggered join.

    ** What that also the name of the surfing movie the "shud" performed live
    for ( Evolution ) ??

    Saw it and them ( only just, hiding down in the orchestra pit) at the Sydney
    Uni Union theatre in 1970.

    Had " Lady Sunshine " going on in my head for weeks after ......

    All Lenard amps and vocal PA system - IIRC.

    .......... Phil
  7. Hmmm... so the truth is starting to surface about your Uni days hey Phil?
    Perhaps something questionable happened that led to you leaving Sydney Uni,
    never to be seen there again?????

    gobble, gobble,........ gobble, gobble..........
  8. Phil Allison

    Phil Allison Guest

    ** This is not ever going to stop:

    The Rutmaniac Arse Bandit has **NEVER** told us how much money
    the Thai pal he "imported" into Perth ripped off from his credit card and
    bank accounts.

    He has refused, over and over, to say why he never reported the crime his
    Thai boy lover committed to his Bank or to the WA police.

    ** This post of his on " asia " from 1997 explains the event:


    " WARNING - Tourism dangers for Gay Tourists in Thailand

    In my case I was coerced into sponsoring a Thai into Australia. I was
    lead down the garden path into a false sense of security about my
    relationship with this person. His aim was clearly to get me to purswade
    the Australian Embassy to grant him a visa. Once here I didn't exist after
    he drained my bank account and ran my credit card into overdraft.

    Alan Rutlidge (Perth Western Australia) "

    ----------------------------- ------------------------------------

    ** The 1997 date pretty much co-incidences with the enactment of
    Section 50 BA of the Commonwealth Crimes Act.

    This is the law that finally made engaging in or promoting under age
    sex tourism a criminal offence - max penalty 17 years in jail.


    The age of consent for gay males in WA in 1997 was 21 years old.

    Come on - Arse Bandit - we all need to know if you were being

    ** I do not care how many of your vile, criminal colleagues you organise
    to intimidate me.

    It only makes you look so much WORSE !!!

    ......... Phil
  9. That's quite okay Phil. Just keep posting. You're the one that's going to
    look stupid. :)
  10. I don't think it is?

    From original post:
    "The unit's input is DC in, polarity (-)--(0--(+), the AC adaptor it
    arrived with is 100-240V (50-60hz) output 12V 2.5A (+)--0)--(-)."

    +ve is drawn in both cases to the centre pin. No need to reverse the lead.
    Of course checking the voltage with a multimeter would be a good thing to
    confirm this.

  11. Phil Allison

    Phil Allison Guest

    "Ross Marchant"

    ** Your point may well be valid - but the OP would have to be mentally
    retarded to not realise the two diagrams were the same.

    ............ Phil
  12. Guest

    Thanks for all your advice, i finally plucked up the courage to give it
    a go and it appears to work fine :), just gotta actually record
    something now ;)

    Yeah, it may have been "Evolution" or "Morning Of The Earth", both
    where Surf movies. I'm pretty sure they recorded an entire album's
    worth for "MOTE" and at some stage tracks where drafted in by G Wayne
    Thomas, Brian Cadd etc.. (to give it a more "POP" feel), which
    obviously worked at some level, as that LP sold bucketloads! They also
    recorded "Bali Waters" EP, and a rare "concept" LP "Goolutionites & The
    Real People" (give me a bell if you drag one of those out of the vaults

  13. Geoff

    Geoff Guest

    I have a suspicion it was hiding down in the orchestra pit that did it,
    or more likely jumping out at the cute little violinist whilst wearing
    nothing but a ribbon :)
  14. Phil Allison

    Phil Allison Guest

    ** Reading is not one of Geoff's skills is it?


    I was not a uni student in 1970.

    ........... Phil
  15. PA shadow

    PA shadow Guest

    and there was this little gem from the predator Phillis

    4. Phil Allison Dec 3 2004, 9:05 am show options

    Newsgroups: aus.electronics
    From: "Phil Allison" <> - Find messages by this
    Date: Fri, 3 Dec 2004 10:05:40 +1100
    Local: Fri, Dec 3 2004 9:05 am
    Subject: Where is Arpit ??
    Reply to Author | Forward | Print | Individual Message | Show original
    | Report Abuse

    Hi to all,

    Former regular poster, 16 year old "Arpit " has not been heard from on
    this or other NGs since late May this year - according to the Google
    Groups Archive.

    Back then he was planning a dangerous project involving high current and
    high voltages - he was enquiring about getting a high capacity AC power
    outlet fitted to do this.

    Maybe his parents "pulled the plug" ??

    Hope he is OK.

    ............... Phil
  16. Adam F

    Adam F Guest

    Nah they were encouraged to do that sort of thing in the 60s and 70s at fact the govt paid them to do it ;)

    //Adam F
  17. Ken Taylor

    Ken Taylor Guest

    Phil was right to be concerned - no telling what happened to the kid. He was
    really tossing up some dangerous ideas.

  18. Phil Allison

    Phil Allison Guest

    "Ken Taylor"

    ** Thank-you Ken.

    Now please explain why you tell other folk to killfile me.

    ........... Phil
  19. Jadzax

    Jadzax Guest

    How about you explain why you were ejected from University
    what dreadful indiscretion did you commit that your future was ruined
    the only conclusion to be drawn from your current predicament
  20. Ken Taylor

    Ken Taylor Guest

    Thanks 'Jadzax' for the irrelevance or I wouldn't have seen.

    Phil, you bollocked a newb with your usual vitriolic bile and he was wasting
    his time wondering what the hell was up. I kill-filed you myself because I
    can't be bothered wading through all your rubbish postings in the search of
    a gem - there just aren't enough free minutes in a day to waste on the crap.
    That said, I don't think the others in question are proving themselves to be
    other than tossers with their crap, and I don't see any reason to doubt your
    motives wrt Armpit (sic. :).


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