World Tube Company

NOS and Used
Vacuum Tube Products and Price List.
Love is Resonance
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TUBE SUBSTITUTION LIST
6K7 - 6KX8


* These are parallel filament circuits.
# In series circuits, this tube doesn't need any form of regulated warm up time.
TO
REPLACE
USE
6K7 6K7G, 6K7GT, EF39
6K7G 6K7, 6K7GT, EF39
6K7GT 6K7, 6K7G, EF39
6K11 6Q11
6KG66KG6A, 6N45C, 6P45C, 6P45S EL505
6KG6A 6N45C, 6N45S, 6P45C, 6P45S EL505, EL519 ( You can use 6P42C and 6P42S tubes but you must rewire the pin out. {rewire socket}
6KX8 ECC808
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TUBE SUBSTITUTION LIST