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LL553F

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ID = 85792
       
Country:
Poland
Brand: Dolam, Unitra-DOLAM; Wrocław (Breslau)
Tube type:  Numerals- and Symbols indicating tube   Indication 
Identical to LL553F
Similar Tubes
Normally replaceable-slightly different:
  LL553 ; Z581M

Filament --/--
Description

Red glass; 'W', '㎐', S', 'F', 'H', 'z' symbols

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
27 x 34 x mm / 1.06 x 1.34 x inch

 

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