BRAND NEW TJ FULLMUSIC TUBE
Item No.: 300B/C/+
The Price is for 1 Matched Pair (2PCS in a gift box, Factory test and Match)
Dome Type
Nominal operating conditions and parameters
Filament voltage* ………………………………………………………… 5V
Nominal filament current …………………………………………… …… 2.4A
Plate voltage ………………………………………………………………… 400V
Grid voltage** ……………………………………………………………… -70V
Plate current ………………………………………………………………… 120mA
Amplification factor …………………………………………………………… 3.85
Grid to plate transconductance …………………………………………… 8.5mA / V
Grid current ………………………………………………………………… 0.05 μ A
Plate resistance ………………………………………………………… …450 ohms
Load resistance …………………………………………………………… 2.0 kohms
*Alternating-current filament supply or Direct-current filament supply.
**Alternating-current filament supply is used. The grid and plate returns should be connected to a center tap on the secondary of the filament transformer.Direct-current filament supply is used. The grid and platter returns are connected to the negative end of the filament.