Shuguang Vacuum Tube 300B

 

  

Two tubes for a matched pair

Four tubes for a matched quad

White Ceramic Base 

 

Triode: 300B-98 (300B)

DESCRIPTION

300B-98 is compatible with 300B

Vacuum tube 300B-98 is new and improved version of 300B. Direct heating cathode, medium power consumption triode is used for class A amplification. It is dedicated to be used in audio frequency range which requires the output power 100W.

300B-C long-life design, use pure graphite anode and its plate power dissipation can reach up to 60W. If the design parameters are adjusted properly, single tube can used as class A amplification, and can delivery the output power higher than 20W.

FEATURES

·Gold-plated grid and tube socket pins 

 

 

 

 

SPECIFICATION Filament Heating Uf(DC)…………………5V If(DC) ……………… 1.2A     Maximum Ratings Plate voltage……………………480V Plate dissipation power…………40W Cathode current Self-biasing voltage………………100mA Fixed-biasing voltage………………70mA     Capacitances Input capacitance……………………….9pF Output capacitance……………………4.3pF Muller capacitance………………….…15pF   DC Parameters Ua……………… ………300V -Ug………………………. 60V Ia…………………………60mA Gm……………………5.5mA/V Ri…………………………700 u……………………….…3.85 Pout………………………6.6W