Paleo-Electronics

Clueless Idiots and High Voltage Vacuum Tubes Really Do Mix!

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Entries Tagged as 'Schematics'

Sidebar : Graphing Resistances

May 22nd, 2011 · No Comments · Amp Repair, calculations, Datasheets, Schematics

I want to talk about the power section of my Medalist in detail (and some other things), but before I do that I’m going to give myself a refresher course on tube data sheets and graphing resistances. Recall, if you will, that V = I * R.  An equation in three variables.  If any one […]

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A Tale of Two Schematics

April 4th, 2011 · No Comments · Amp Repair, calculations, Medalist Debug, Schematics

In the course of working on two different 5T ‘Medalist’ Skylarks, we have come across two different schematics. One of them came from blogfriend Patrick and is found in the 1966 publication of the Gibson Master Service Manual. The other was attached to the amp I bought. Here is the one I got : Here […]

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Oh what a find! GA-5T Skylark ‘Medalist’ schematic!

March 22nd, 2011 · No Comments · Amp mods, Amp Repair, Schematics

Ok. I can guarantee that this is the schematic for a ’67 or later GA-5T. This is commonly called the ‘Medalist’ styling and an example with some info is found at John Kings site. How can I guarantee that? I’ll get to that later, but for now, trust me. Full size file is almost 3 […]

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New Find : A Totally Different Crestline GA-5 Schematic

August 7th, 2010 · 3 Comments · Amp Repair, Gear, Schematics, Skylark Rebuid

A ‘new’ schematic for GA-5 Crestline amps has been discovered.

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