$20.95, 6146A Vacuum Tube ~ NOS ~ 60 Day Guarantee ~ Ham ~ Shortwave ~ Yaesu ~ Kenwood in Anchorage, Alaska For Sale
Beam Power Pentode
The xxxxA Vacuum Tube is a Small, sturdy, glass-octal heater cathode type used as an AF power amplifier and modulator and as an AF power amplifer and oscillator. It may be used with full input up to 60 MHz and with reduced input up to 175 MHz. Class C telegraphy maximum plate dissipation, CCS 20 Wattts, ICAS 25 Watts.
There is a slight difference between xxxx tubes and xxxxA tubes. That difference is the type of filament that is used. The xxxxA was manufactured by RCA and is called a "dark heater". They are interchangeable and can be used in the same circuit. The xxxx Vacuum Tube is the same as the xxxx and xxxxA tubes. The 12 volt equivalent of the xxxx is the xxxx. The 12 volt equivalent of the xxxxA is the xxxxA/xxxx.
xxxx / xxxxA Tubes Cannot be interchanged with xxxxB tubes because they have different bias requirements, inter electrode capacitances and etc.
xxxxA Vacuum tubes are used in Yaesu radios.
Model numbers:
FT-101
FT-101D
FT-101Z
FT-901
FT-902
Also Kenwood radios.
Electrical Data:
Heater Voltage ................................ 6.3 V
Heater Current ............................... 1.25 A
Maximum Heater-Cathode Voltage ................ 135 V