What does a "High to low impedence converter do? I play guitar and I just bought a used Marshall stack with two different kind of cabinets. One is the 1960 Expensive cabinet and the other is the cheaper mg412 cabinet. Along with all the cords and wires and the effects processor and tuner and wah pedal etc…..A whole big bag full of stuff came with the amp…There is a "high to low impedence converter in there the previous owner didnt know what it was for either. It is not made by Marshall and it looks like it has a few places for in and out 1/4" plugs.
What is it for what does it do??? Please help!!!
Thank you and God bless,
Perry in Jax Fla
Is impedence the same thing as "OHMS"? I know one of my speaker cabs is 4 ohms and the other is selectable between 8ohms and 14 ohms. I dont understand ohms and wonder if this converter is to even out the ohms?
CORRECTION; The top cab is 8 ohms and the bottom cab is selectable between 4 ohms mono or 16 ohms stereo at 8ohms per channel. Is this what the converter is for, because the two cabinets the amp head connects to are not the same ohms??
Thank you

It allows maximum transfer of power of the audio signal between Hi-Z and Lo-Z devices.

"sounds better"

If you have an impedance mis-match it introduces distortion [unwanted usually] and usually cuts out the high frequencies.

It *can* also cause equipment damage in extreme cases

I don’t really know the specifics of guitar amps, but have worked in electronics for a long time

FIND OUT what the input and oputput impedances are for all your equipment and try to match them …

where you can’t connect Hi-Hi or LO-LO, use the converter and see what difference it makes in re the sound you want


One Comment

  1. athiestforthebirthofjesus
    Posted October 28, 2009 at 2:00 pm | Permalink

    It allows maximum transfer of power of the audio signal between Hi-Z and Lo-Z devices.

    "sounds better"

    If you have an impedance mis-match it introduces distortion [unwanted usually] and usually cuts out the high frequencies.

    It *can* also cause equipment damage in extreme cases

    I don’t really know the specifics of guitar amps, but have worked in electronics for a long time

    FIND OUT what the input and oputput impedances are for all your equipment and try to match them …

    where you can’t connect Hi-Hi or LO-LO, use the converter and see what difference it makes in re the sound you wantReferences :

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