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british question

Discussion in 'Electronic Basics' started by L. Gardiner, Sep 9, 2003.

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  1. L. Gardiner

    L. Gardiner Guest

    I wanted am considering buying a 20 band stereo equalizer (Pyramid
    PR9700). But every website that has it's specs says that it has a
    switchable 110/220 voltage. British mains has a voltage of 240, could
    i get away with this?

    any help on the matter would be great

    thanks in advance
  2. Probably. Most specs like this are actually wrong. In the US the
    standard voltage is 120V +/-5%. It is not 110, 115 or 117.

    The British mains voltage used to be speced at 240 +5/-10%. It got
    changed due to the EU and is now specked at 230 +/- what ever makes it
    consistent with the old spec. Of course, nothing happened to the
    generator with this new spec.

    Its a fair bet that all US/UK transformers are 2:1 ratios. You wire the
    coils in series or parallel.

    The can be an issue using US in the UK in addition to this because of
    the frequency. The magnetizing current is increased at the lower
    frequency, possible giving a saturation problem What direction are you
    going US->UK or UK->US

    Kevin Aylward
    SuperSpice, a very affordable Mixed-Mode
    Windows Simulator with Schematic Capture,
    Waveform Display, FFT's and Filter Design.
  3. coulyo

    coulyo Guest

    The can be an issue using US in the UK in addition to this because of
    Just an observation:
    If there is a 110/220 switch, the product is compatible with all countries.
    Because 220,230,240 are all the same category, likewise 110/120
    and because these are the only two categories used by any country
    of the world.
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