Spotted those IC markings ..
Could they be a NC and used as a tie point ?
The RCA book and Tung-Sol pdf has IC:
http://tubedata.itchurch.org/sheets/127/6/6BQ5.pdf
While the GE has NC on the drawings, but IC in the description:
http://tubedata.itchurch.org/sheets/093/6/6BQ5.pdf
I guess I could ohm it out when I get home ! LOL !!!
el84 : Pin 1 and 6 .. are they really IC ?
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Re: el84 : Pin 1 and 6 .. are they really IC ?
General Electric's 7189 basing diagram shows 1 and 2 connected to grid, 6 and 9 connected to screen and 8 nc. So if you want some interchangability maybe treat 8 as nc only. I used 8 as my tie point for screen resistors in my recent 7189 build. It runs 6BQ5s fine.
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Seek immediate medical attention if you suddenly go either deaf or blind.
If you put the Federal Government in charge of the Sahara Desert, in five years time there would be a shortage of sand.