The AF-28 – an introduction The AF-28 is a high performance core component for a magnetic volume control. It is a multi tapped autoformer designed to be used with a 28 position switch or with relays in order to create a piece of equipment. It is not a complete product ready for use in an audio system. The primary application is in […]
Classification- Dome-type or Aubergine-type bulb of glass, a white ceramic base with four-prong bayonet golden pins, oxide coated filamentary, solid plate or mesh or carbon plate triode. Application -Audio frequency amplifier where power outputs of approximately 8.5watts or less is required at relatively low plate voltages. Dimensions -Dimensions, outline diagrams of the tube and bases, and the arrangement […]
Classification- Aubergine-type bulb of glass, a white ceramic base with four-prong bayonet golden pins, oxide coated filamentary, mesh plate or carbon plate triode. Application -Audio frequency amplifier where power outputs of approximately 4.5watts or less is required at relatively low plate voltages. Dimensions -Dimensions, outline diagrams of the tube and bases, and the arrangement of electrode connections to the base […]
Classification- Dome-type bulb of glass, a white ceramic base with four-prong bayonet golden pins, oxide coated filamentary, mesh plate or carbon plate triode. Application -Audio frequency amplifier where power outputs of approximately 10 watts or less is required at relatively low plate voltages. Dimensions -Dimensions, outline diagrams of the tube and bases, and the arrangement of electrode connections […]
Classification- Dome-type bulb of glass, filametary of carbennation Th-w a Copper ceramic base with four-prong bayonet golden pins, carbon plate triode. Application -Audio power amplifier Class A1 or Class AB1.Dimensions -Dimensions, outline diagrams of the tube and bases, and the arrangement of electrode connections to the base terminals are shown in Figures 1 and 2. Fig. 1 […]
Classification- It is a Twin triode. Dome-type bulb of glass, copper ceramic base with eight golden pins.Application -It intended for use a voltage amplifier or Phase inuerter. Dimensions -Dimensions, outline diagrams of the tube and bases, and the arrangement of electrode connections to the base terminals are shown in the below drawings. Nominal operating conditions and parameters Heater voltage ……………………………………………………………… 6.3V […]
Classification- Dome-type or Aubergine-type bulb of glass, a white ceramic base with four-prong bayonet golden pins, oxide coated filamentary, mesh plate or carbon plate triode. Application -Audio frequency amplifier where power outputs of approximately 1.6 watts. Dimensions -Dimensions, outline diagrams of the tube and bases, and the arrangement of electrode connections to the base terminals are shown in […]
Classification- Dome-type bulb of glass, a white ceramic base with four-prong bayonet golden pins, oxide coated filamentary, carbon plate triode. Application -Audio frequency amplifier where power outputs of approximately 22.5watts or less is required at relatively low plate voltages. Dimensions -Dimensions, outline diagrams of the tube and bases, and the arrangement of electrode connections to the base terminals are shown […]
Classification- Dome-type or Aubergine-type bulb of glass, a white ceramic base with four-prong bayonet golden pins, oxide coated filamentary, mesh plate or carbon plate triode. Application -Audio frequency amplifier where power outputs of approximately 3.5 watts or less is required at relatively low plate voltages. Dimensions -Dimensions, outline diagrams of the tube and bases, and the arrangement of electrode connections […]