Comments on: A cornucopia of crazy for the holidays http://www.deviantsynth.com/2009/11/30/a-cornucopia-of-crazy-for-the-holidays/ Analogue Heaven is poison. We are the antidote. XD Wed, 21 Jul 2010 09:49:57 +0000 http://wordpress.org/?v=2.9.2 hourly 1 By: Lorin Edwin Parker http://www.deviantsynth.com/2009/11/30/a-cornucopia-of-crazy-for-the-holidays/comment-page-1/#comment-751 Lorin Edwin Parker Mon, 18 Jan 2010 03:30:16 +0000 http://www.deviantsynth.com/?p=425#comment-751 Regarding the 5734 -- the tangential history is pretty interesting, and leads all the way back to the Deforest Audion. DeForest realized that his gaslights flickered to the tap of his telegraph. He later realized, that this was not the result of radio wave energies, but acoustical energy... These experiments led to him encapsulating a flame (later a burning cathode) in a bulb and manipulating it with a vibrating Grid. Then there was the Kathodophone, a microphone of sorts that was essentially a triode -- opened up to the air on one side. Vibrations hitting the grid, coupled to the device by a small horn would change the flow of electrons and ions in gas (air). And yes, the REVERSE is doable too. The plate structure of a triode can be coupled to a horn and make a speaker. Electrical energy into vibration = speaker. I've been meaning to use the 5734 for a while. However, it's of note that it was most used for seismic instruments and other scientific uses. It is rather easy to damage the diaphragm that seals the probe from the plate by rotating it more than 0.5 degrees! Careful there... Lorin Regarding the 5734 — the tangential history is pretty interesting, and leads all the way back to the Deforest Audion.

DeForest realized that his gaslights flickered to the tap of his telegraph. He later realized, that this was not the result of radio wave energies, but acoustical energy… These experiments led to him encapsulating a flame (later a burning cathode) in a bulb and manipulating it with a vibrating Grid.

Then there was the Kathodophone, a microphone of sorts that was essentially a triode — opened up to the air on one side. Vibrations hitting the grid, coupled to the device by a small horn would change the flow of electrons and ions in gas (air).

And yes, the REVERSE is doable too. The plate structure of a triode can be coupled to a horn and make a speaker. Electrical energy into vibration = speaker.

I’ve been meaning to use the 5734 for a while. However, it’s of note that it was most used for seismic instruments and other scientific uses. It is rather easy to damage the diaphragm that seals the probe from the plate by rotating it more than 0.5 degrees! Careful there…

Lorin

]]> By: geezer in Chicago http://www.deviantsynth.com/2009/11/30/a-cornucopia-of-crazy-for-the-holidays/comment-page-1/#comment-739 geezer in Chicago Sun, 06 Dec 2009 00:07:18 +0000 http://www.deviantsynth.com/?p=425#comment-739 gosh I didn't know that a double wide toaster was created in the past decade with off the shelf parts, had full documentation, theory of operation and schematics available. now you can make top brown garlic bread ardently. Insatiably. Deliriously. Garlic bread you will love for decades. toast that is exceptional and superlative in every way. gosh I didn’t know that a double wide toaster was created in the past decade with off the shelf parts, had full documentation, theory of operation and schematics available.

now you can make top brown garlic bread ardently. Insatiably. Deliriously. Garlic bread you will love for decades. toast that is exceptional and superlative in every way.

]]> By: just b http://www.deviantsynth.com/2009/11/30/a-cornucopia-of-crazy-for-the-holidays/comment-page-1/#comment-734 just b Tue, 01 Dec 2009 16:07:46 +0000 http://www.deviantsynth.com/?p=425#comment-734 yes: it's very creative and difficult to make a copy of something that was created in the past decade with off the shelf parts, has full documentation, theory of operation and schematics available. yes: it’s very creative and difficult to make a copy of something that was created in the past decade with off the shelf parts, has full documentation, theory of operation and schematics available.

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