When A Speaker Blows/Fails.....

Discussion in 'Amp Tech Center' started by Wyzsard, Aug 4, 2013.

  1. Wyzsard

    Wyzsard Friend of Leo's

    Posts:
    4,229
    Joined:
    Jun 22, 2009
    Location:
    Falls City
    When a speaker bites the dust, is it the same as running the amp with no load ?

    I've never had a speaker fail, but I was just wondering.
     
  2. dsutton24

    dsutton24 Doctor of Teleocity Ad Free Member

    Posts:
    10,200
    Joined:
    Dec 29, 2010
    Location:
    Illinois
    If the voice coil opens, yes. If one speaker in a multi speaker cab fails, then it's probably not going to do any damage.
     
  3. rbro

    rbro TDPRI Member

    Age:
    72
    Posts:
    88
    Joined:
    Dec 24, 2009
    Location:
    Holley, New York
    Sometimes. Depends on how the speaker fails. If it is catastrophically over driven the voice coil can create a dead short and/or catch fire. Usually accompanied by a burnt smell. Lots of times the voice coil will break creating an open circuit - typically where the leads go thru the cone into the voice coil structure.

    rbro
     
  4. Wyzsard

    Wyzsard Friend of Leo's

    Posts:
    4,229
    Joined:
    Jun 22, 2009
    Location:
    Falls City
    Ok, fair enough.

    Thanks
     
  5. Bongocaster

    Bongocaster Friend of Leo's

    Posts:
    2,521
    Joined:
    Mar 19, 2011
    Location:
    From the home of King Records
    Tube or solid state? I believe that SS will handle that easier. They handle non-spec loads better. Is that right?
     
  6. printer2

    printer2 Poster Extraordinaire

    Posts:
    6,824
    Joined:
    May 24, 2010
    Location:
    Canada
    Tubes do not like opens, SS amps do not like shorts. Many SS amps have protection circuits to keep them relatively safe. With tubes, I like to wire my output jacks with a resistor across the output, something in the line of 50-100 ohm. I also use shorting jacks so that if the speaker gets unplugged the output transformer runs into a short which is a lot better than an open.
     
  7. Wyzsard

    Wyzsard Friend of Leo's

    Posts:
    4,229
    Joined:
    Jun 22, 2009
    Location:
    Falls City
    thanks printer
     
IMPORTANT: Treat everyone here with respect, no matter how difficult!
No sex, drug, political, religion or hate discussion permitted here.