Sylvania
1T4 DF91 Sylvania NOS Platinum matched pair (rare square getter JAN WWII 1944)
1T4 DF91 Sylvania NOS Platinum matched pair (rare square getter JAN WWII 1944)
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€11,99
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€11,99
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Brand: Sylvania
Type: NOS Tube
Country of Manufacture: United States
Auction is for two (platinum matched pair) of rare Sylvania 1T4 DF91 old type battery type pentodes used in many tube amplifiers, preamplifiers and radio sets.
They are in original JAN boxes and they are made in 1944, all same contract numbers and construction. It's rare square getter construction, 1st type.
