World Tube Company

NOS and Used
Vacuum Tube Products and Price List.
Love is Resonance
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TUBE SUBSTITUTION LIST
34 - 35


* These are parallel filament circuits.
# In series circuits, this tube doesn't need any form of regulated warm up time.
TO
REPLACE
USE
33 UY33, UY-33 (Japan), UZ133D (JAPAN)
34 UF134 (Japan), 34, UX-34 (Japan), UX34, VT-54
35 51, 551, ER551, ER-551
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TUBE SUBSTITUTION LIST