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Old 09-28-2009, 05:43 AM
rollei35guy rollei35guy is offline
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Join Date: May 2008
Posts: 86
Quote:
Originally Posted by radio nut View Post
It is the first IF amp, not the one you mentioned but I still will fix that.
Ok that was just a guess. And not a good one.

Quote:
Originally Posted by radio nut View Post
What is special about the diagram having the solid circle and then the dashes inside of that on the 1LN5 tubes?
One side of the filament is connected to a shield (the inner dashed line on the schematic). Which I would guess is also attached to the metal band around the base and the pin?

Here is the tube data for that one:
http://www.bunkerofdoom.com/tubes/sy...949/1LN5_1.gif

Last edited by rollei35guy; 09-28-2009 at 06:09 AM.
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