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This valve from Mullard has the identification LF. We believe that it is in fact a DE06LF from about 1925.
It is painted with the single green ring and is a triode. The type DE06HF had a red band.
The filament voltage was rated at 3.5 V and the anode supply was 30 - 90 Volts.
The balloon envelope is 34 mm in diameter and, excluding B4 base pins, is 85 mm tall.
This exhibit was last updated on 02 December 2007
It is painted with the single green ring and is a triode. The type DE06HF had a red band.
The filament voltage was rated at 3.5 V and the anode supply was 30 - 90 Volts.
The balloon envelope is 34 mm in diameter and, excluding B4 base pins, is 85 mm tall.
This exhibit was last updated on 02 December 2007
The balloon envelope is 34 mm in diameter and, excluding B4 base pins, is 85 mm tall.
This exhibit was last updated on 02 December 2007
This exhibit was last updated on 02 December 2007 |