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Post subject: Jazz Bass 60s output jack impedance...
Posted: Mon Sep 23, 2013 8:44 am
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hi, i have a question to measure the impedance output level at the jack of my Jazz bass. My 2 pickups 60s present 6,4 and 6,8K of impedance. But i would like to know how much impedance i must find after the last tone pot.
when I test with multimeter the side of the jack that is to say after the 3rd knobs, I have odd levels depending on the level of volume two potentiometers, so I would like to know what the correct level must find the output jack, many thanks for help.
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Post subject: Re: Jazz Bass 60s output jack impedance...
Posted: Mon Sep 23, 2013 12:08 pm
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Measure with the volumes turned all of the way up, full output.

Why do you need to know anyway?

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Post subject: Re: Jazz Bass 60s output jack impedance...
Posted: Mon Sep 23, 2013 7:42 pm
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shimmilou wrote:
Why do you need to know anyway?


Curious myself.

If the bass is working properly, knowing the output impedance (actually, only resistance is being measured) is strictly academic. The input impedance of the amp (or pedal) is much much higher.

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