29 Dec
2002
29 Dec
'02
12:38 a.m.
That is good information to know. I never had a plug to look at and check
the resister inside. I think I was told 880 ohms, but that doesn't appear
to be a standard resister value while 820 ohms is a standard value. Now
that I know the real value to use I will build a real plug instead of just
using some test clips and a trimpot for now.
-Glen
Here I sit looking at a little black square 3x3 plug,
HP p/n
12991-60002 (stamped in white ink on one side of the hood).
Inside the hood (visible through the hole in the back) there is only a
1/4W resistor connected to pins 4 and 6, which matches Glen's
description. Bands are gray, red, brown, gold. Hmm, 820 ohms?
Measures as 823 ohms on my cheap digital multimeter.
-Frank McConnell
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