Paleo-Electronics

Clueless Idiots and High Voltage Vacuum Tubes Really Do Mix!

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Entries from December 18th, 2008

Introducing The Amp Computer!

December 18th, 2008 · No Comments · Amp Computer, Gear, Songbird

As I alluded to earlier, there are a thousand options that I want to try with the Songbird.   I only got through a third or so of them before I stopped writing and this is nearly the smallest simplest amp you can make (although I have a plan there too!) Now many of the options […]

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We're Back!

December 15th, 2008 · No Comments · Uncategorized

I got the cutline theme to work again. Now I just gotta find out where the images ran off too. It’s nice to be back.

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Ever Hear of Analog Computers?

December 13th, 2008 · 2 Comments · Amp Computer

Analog computers are way way old school.   Essentially you would wire up circuits to do math functions and when you put a signal in, the voltage out was the answer.   It could do multiplication, addition, integration, differentiation and other functions.     The answer was visible on an oscilloscope screen (often included). This is a Polish Model […]

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Songbird : Requirements III – 2nd Preamp Stage

December 13th, 2008 · No Comments · Design, Songbird

2nd Stage Not sure here.   In fact, I have to admit to a bit of confusion.   See the output of a guitar pickup is roughly 0.5V peak to peak.    Maybe as much as a volt on a high output pickup.   The gain of the first stage is roughly 40 or more.    Now […]

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Songbird : Requirements II – Pre Amp Bias

December 13th, 2008 · 2 Comments · Amp mods, Gear, Songbird

Ok, so clean power and rectified heaters and some other stuff were covered in the previous requirements post. Tube Biasing – 1st Stage As I understand it from my readings, the standard way of biasing, self biasing, is a complex reaction.   Essentially as the power drawn from a tube increases, the bias goes more […]

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Gonna look funky for a while

December 13th, 2008 · No Comments · Uncategorized

WordPress is up to 2.7 but my favorite theme is not ready.    Bear with me, it shouldn’t be long.

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