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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: Hard wiring with tag boards. posted by guyser on March 11, 2006 at 09:52:28:
in several widths and you can order any number of different types of terminals. The ones I've investigated were in Stancil Hoffman mo pic 35mm recorders and Tektronix oscilliscopes made in the late 50s and early 60s. And also in Military equipment. GRASS ekg and eeg equipment also used it. I could send you some pics. Ground buss are generally seperate and use heavy 12awg buss bar wire. It's a good idea to keep cathode resistors away from plate resistors i.e not side by side (they will emi/rf talk to one another and certainly not two side by side diff amp plate resistors (like this --, not like this=). Seperate them! I've used this approach for years and it seems to work well. You need to first decide what needs to have very short leads (capacitive compensation-lead or lag) and they need to be on the tube socket pins preferably, with the sockets turned to allow the shortest lead. The rest can be put on the fibreglass boards. I've seen different approaches; resistors on one side and capacitors on the reverse side. Laying out can be a real exercise in 3D manipulation. Good luck! Ray Hughes P.S. Keystone's web site: www.keyelco.com
"I take you as you are
And make of you what I will,
Skunk-bear, carcajou, bloodthirsty
Non-survivor.
Lord, let me die but not die out." THE LAST WOLVERINE by James Dickey
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Follow Ups
- Keystone still makes the fibreglass board..... - grhughes 05:04:18 03/12/06 (0)
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