Banana jacks and impedance

[Magnus Danielson]

From: "Grant Richter" <grichter at execpc.com>
Subject: Re: Banana jacks and impedance
Date: Tue, 28 Dec 1999 23:57:51 -0600

> One of the problems of banana cord systems is to get the 
> signals from muted patches to go away. If you have
> a very loud TB-303ish bass screaming in one channel and a
> high-hat with mostly silence in another, even with the bass
> muted you can hear it in the high hats. Just a matter of
> capacitive coupling of crossing wires.

Good point.

> In "theory" the low output impedance of the op-amp should
> absorb the signal - but the low output impedance is a function
> of the op-amp servo mechanism, which becomes less
> effective as frequency increases.

Idealy we should all be using shielded cables, diff-signals and have floating
input and outputs, that will be the day... only Crappotronic does that.

Cheers,
Magnus (woundering how many recalls what Crappotronic was)