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Audio Transformer Specs

  1. Apr 12, 2009 #1
    I need to replace an Audio transformer, EI-19 Output Transformer. What should I replace it with? I cant find the primary to secondary ratio, or the voltage ratings. Is there something special about audio transformers compared to step up/down transformers used in AC to DC converters? If so, what do I need to know to replace it?
  2. jcsd
  3. Apr 12, 2009 #2


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    Science Advisor
    Gold Member

    What type of equipment is this in? An audio output transformer just about always is driving a speaker. An amplifier? If so, how many watts?
  4. Apr 12, 2009 #3


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    Staff: Mentor

    Any chance you can rebuild it?
  5. Apr 13, 2009 #4
    From Google it looks like a EI-19 audio transformer just specifies the bobbin or coil size. What else do you know about it, or the circuit in which it is being used?
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