Same as a 6922/6DJ8. Designed to be used in cascade circuits as a low noise RF amplifier tube, mixer, phase inverter, or as a RF amplifier. New Old Stock * New In Box * No Longer available for export MFR: Amperex SKU: 8416
Designed for use in class C amplifiers as a oscillator, amplifier, or frequency multiplier up to 200MC. New old stock * No longer available for export. MFR: Amperex SKU: 8458
Designed for use as wide band amplifier Base: Noval. 9 pins. Heater current: 300mA Anode current: 13mA New Old Stock * No longer available for export MFR: Amperex SKU: 6688-AMP
Designed for use as wide band amplifier Base: Noval. 9 pins. Heater current: 300mA Anode current: 13mA New Old Stock * No longer available for export MFR: Amperex SKU: 6688-JEP-AMP