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G8LSD Valve Collection
The YD1050 is a planar triode with attached aluminium cooling fins for forced air cooling.
The side view. The valve would be operated in a co-axial cavity. The ceramic insulation suggests high voltage and temperature.
The heater is connected to the two inner rings.
The envelope is 32 mm in diameter, and overall is 67 mm tall. The ceramic section is 19 mm diameter.

This exhibit was last updated on 31 August 2008