Tube 8FQ7 or Röhre 8FQ7 ID5170, Double Triode, Noval, 9 pin miniature (USA pico-9) B9A and shown. Radio tubes are valves.
The thin glass tube envelope is 20 mm in diameter, and excluding the B9A base pins is 57 mm tall. Reference: Data-sheet. Type 8FQ7 was first introduced in 1965.
IN A 525-LINE, 30-FRAME SYSTEM, 15 PER CENT OF ONE VERTICAL. SCANNING CYCLE IS 2.5 MILLISECONDS. SIMILAR TYPE REFERENCE: Except for heater ratings, the 8FQ7 is ...
8FQ7. Medium-Mu Twin Triode. The 8FQ7 is the same as the 6FQ7 except for the following items;. Heater Characteristics and Ratings. Current. Voltage (AC or DC) ...