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Help me decipher these testing figures on NOS tubes?
Old 13th July 2005
  #1
Gear Addict
 
celebritymusic's Avatar
 
🎧 15 years
Help me decipher these testing figures on NOS tubes?

Hi

Just wondering what the figures for tests on tubes represent, and what are good figures?

Below I have two examples of testing figures for matched pair tubes. Which are the better performing tubes, and why?

1. Tested : 13.5/11.8-12.4/11.2 7LC delta 0C1

13.1/11.4-12.5/11.4 7LG delta OC1

2. Tested : 9.8/9.8-9.5/9.5 7xx delta9A2

9.2/8.8-9.8/9.3 7xx deltaF2

THANKS!

Shaun Thomson
Old 14th July 2005
  #2
Lives for gear
 
brianroth's Avatar
 
🎧 15 years
I'd say they meant something to whoever was running the testing setup, but unless they explain their methods, it's just gibberish to the rest of us.

Bri
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