The classic 807 beam tetrode: this exhibit was made in Canada by RVC.The parameters given are for single ended use. When used in a class AB1 as a push pull pair with 600 Volts on the anode an output power of 65 Watts was normal.![](../pics/aaq0583a.jpg)
The base cap carries the Marconi name as well as the RVC logo. The insulators are ceramic and the anode is blackened for efficient heat radiation.![](../pics/aaq0583b.jpg)
The elliptical lower screen is an 807 characteristic.The classic envelope is 51 mm in diameter, and excluding the UX5 base pins is 129 mm tall.References: Data-sheet & 1040. Type 807 was first introduced in 1938. See also 1938 adverts. |