Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Posting-Version: version B 2.10.1 6/24/83; site rabbit.UUCP
Path: utzoo!linus!decvax!harpo!eagle!allegra!alice!rabbit!ark
From: ark@rabbit.UUCP
Newsgroups: net.audio
Subject: Re: A Puzzle...
Message-ID: <1901@rabbit.UUCP>
Date: Mon, 5-Sep-83 12:32:44 EDT
Article-I.D.: rabbit.1901
Posted: Mon Sep  5 12:32:44 1983
Date-Received: Mon, 5-Sep-83 22:55:48 EDT
References: <628@drufl.UUCP>
Organization: Bell Labs, Murray Hill
Lines: 9

If you are feeding an amplifier stage with high input impedance,
putting a fraction of an ohm in series with the input cannot have
any significant effect.  Therefore, there must be something else going
on which you missed.  Perhaps the contact is intermittent?  Perhaps
there is something else there which you shorted out?  Perhaps there
is some kind of crud on the contact that is making it act as something other than
a simple resistance?  I have heard of dirty switch contacts acting
as diodes, for instance.  What happens when you try cleaning the
switch contact (there are silicone sprays readily available for this)?