World Tube Company

NOS and Used
Vacuum Tube Products and Price List.
Love is Resonance
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TUBE SUBSTITUTION LIST
551 - 955


* These are parallel filament circuits.
# In series circuits, this tube doesn't need any form of regulated warm up time.
TO
REPLACE
USE
551 35, 51 ER551, ER-551
572B T160L
760 6858, NL-760
760L 7023, NL-760L
760P 6859, NL-760P
717A 717A, CV3594, VT269
955 5731
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TUBE SUBSTITUTION LIST