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Thread: Tore myself another asshole

  1. #1
    Join Date: Jun 2016

    Location: Saint Projet - France

    Posts: 14
    I'm Eelco.

    Default Tore myself another asshole

    Quite the opposite of a stroke of genius.
    For the last 14 years i have been listening to my NS-1000 via a NAD C740 receiver.
    Long story shortened.
    Bought the Yamahas about 35 years ago with a NAD class A amp. Superb sound.
    Twenry years ago a glas of red wine sipped into the amp instead of the wine in me.
    Having not much financial headroom and a wife wanting a radio I bought the NAD C740. Superb.
    For the money.
    So finally last week I was able to buy the two Quad 504-2 monoblocks, advertised on this forum by John.
    Wonderfull person to deal with, by the way. Sorry John, the rest of this story might be a bit of a shock.
    Shipping went fine, connected them to the Yamahas. Revelation.
    So much space, low end tight, seperation. Happy person.
    But then I wanted to try the other speakercables.
    Now i should confess I never changed the speakerterminals on the Yamahas.
    I SHORTEND THE LEADS ON ONE OF TE SPEAKERS.
    So. One quad 405-2 demolished.
    Man do I feel sick, stupid, gutted.....
    Luckily I have been able to contact Duncan(Tubehunter), who has kindly agreed to try bringing the defective powerboard back to live.
    So there may still be a happy ending.
    I had to get this of my chest, tell about some nice people on this forum and I have to kill the time waiting for the board to return.

  2. #2
    Join Date: Sep 2014

    Location: Northern Ireland

    Posts: 678
    I'm John.

    Default

    D'oh. Oh well, not the end of the world, highly annoying, yes but sortable.

    Hang in there bro! and thanks for the kind words

    Was talking to a nurse today who used to work in the local children's hospital. Spent a year there one week when my daughter was born. 5 minutes there will put a power amp problem into perspective.

    Still really annoying though

  3. #3
    Join Date: Jun 2016

    Location: Saint Projet - France

    Posts: 14
    I'm Eelco.

    Default

    Wise words, John.

  4. #4
    Join Date: Aug 2009

    Location: Staffordshire, England

    Posts: 18,137
    I'm Martin.

    Default

    Well at least the amp can be fixed or replaced. Not so easy to do that with those speakers so it could have been worse.

    have to confess I am so prone to doing this sort of thing that I never swap anything around without powering down absolutely everything.

    I see people swapping speakers in and out with the amps still on and it makes me wince every time. But they always seem vey confident doing it.
    Martin



    Current Lash Up:

    Sony X505ES CD Player * NVA P90SA passive pre / NVA A30 Power amp * JM Lab Electra 926 loudspeakers *



    "I hate to advocate drugs, alcohol, violence, or insanity to anyone, but they've always worked for me." - Hunter S Thompson

  5. #5
    Join Date: Dec 2008

    Location: Lincolnshire, Home by the Sea

    Posts: 3,702
    I'm Shaun.

    Default

    Quote Originally Posted by Macca View Post
    I see people swapping speakers in and out with the amps still on and it makes me wince every time.
    You and me both. I always power down the power amp.
    Marantz CD6005 into Audiolab MDAC
    Nottingham Analogue Interspace turntable with Origin Live Onyx tonearm/Denon DL103/Dynavector P75 MkIII phono stage

    Prima Luna Prologue preamp
    Prima Luna Dialogue Premium power amp/EL34

    B&W CM8 S2 loudspeakers

    Atlas Hyper interconnects
    Van Den Hul Teatrack biwired cables

    "Without this gift of rock and roll we'd all be wasting time"

  6. #6
    Join Date: Jun 2016

    Location: Saint Projet - France

    Posts: 14
    I'm Eelco.

    Default

    I had them switched off. But on listening with the new cables, i wanted to turn the speaker a little bit outwards. Being a ns-1000 it's up close against the wall.And that's when the cable shorted.

  7. #7
    Join Date: Apr 2009

    Location: Melbourne

    Posts: 130
    I'm Alex.

    Default

    Yamaha NS-1000 has really flimsy speaker connectors. I have seen some rewired with WBT speaker connectors for a good speaker wire connection

  8. #8
    Join Date: Oct 2015

    Location: KL, Malaysia

    Posts: 191
    I'm shahrin.

    Default

    U arent the only one to f....k up and wont be that last Eelco
    dont feel so bad
    I once connected the two +ve spkr terminals on the amp to the one spkr.
    shld have had the back of amp well lit and put the glasses on
    Blew one OTR on a sansui au111. Ouch... that was difficult to put right,
    anyway easier to fix the Quad than if u somehow damaged the NS1000
    Thorens td124 mk2 / Graham 1.5 / V15 III, Thorens td124 mk2 / 3012 S2 / SL15Q
    Marantz CD63, Squeezebox Touch, EDO applet, Gieseler Klein DAC
    Sanyo Plus Series C55, Nakamichi PA 7, NS1000M

  9. #9
    Join Date: Mar 2017

    Location: London N2

    Posts: 378
    I'm Edward.

    Default

    Ouch - I would have been very furious with myself if that had happened to me. You seem to be taking it well.

    I try to use electrical insulation tape to separate inputs or outputs whenever I think there may be a risk of connections touching each other through movement etc.

    Just to think, as JohnJo knows, I seriously considered getting those 405s from him. Blame me for not getting them as you would not have had this problem if I had.

    Good to hear the problem can be sorted.
    Source: Win10 server, Win10 Mini-ITX Renderer running JRiver
    DAC / Preamp: Perreaux DP32
    Amp: Radford Revival STA25, TubeHunter Class D IRS2092
    Speakers:, Kudos Cardea C2, Acoustic Research 8BX (modded)
    Power Conditioner: ISOtek Qube 1kw
    Currently resting: Chevron Paradox NDF16 DAC, Radford Revival Prototype preamp, Paul Baldwin 405C amp, Arcam 290P, Sony TA-VA8ES, PMC LB1 Signature, Micromega MyDac

  10. #10
    Join Date: Sep 2014

    Location: Northern Ireland

    Posts: 678
    I'm John.

    Default

    Good of Duncan to offer to sort it out for you Eelco, he's the man!

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