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ID = 78058
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Double Beam Power Tube   beam power   VHF 
Identical to QQV07-40 = 829B = QV07-40 = CV2666

Base Septar (1+6 pins) 2 Top contacts.
Was used by Transmittertube (Radio)
Filament Vf 12.6 Volts / If 1.25 Ampere / Indirect / Parallel, (AC/DC)

Dual tetrode for use up to 250 MHz.

Pa <20W per anode.

Centre-tapped heater for use at 6.3V

Information source - - Manufacturers Literature   
QQV07-40: BGT
Bruce Taylor

QQV07-40: Mullard data sheet
Bruce Taylor


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