NOTES: Price = one pair (2pcs)
Hi-Fi Series: classic style, exquisite craft, comprehensive and balanced sound performance, largest sales volume over the world, best choice for you .
300B is directly-heated type cathode triode, used as class A1. In audio amplifier it suits for the condition that the output power is 10W.
Heater
Uf(DC)………………5V
If(DC) …………… 1.2A
Maximum Rating
Ua……………480V
Pa………40W
Ik
with cathode bias………………100 mA
with fixed bias……………70 mA
Direct Interelectrode Capacitances
input……………9PF
output……………4.3PF
grid to plate……………15PF
Static parameter
Ua……………………300V
-Ug………………… 60V
Ia……………………60mA
Gm……………………5.5mA/V
ri……………………0.7 KΩ
u ……………………3.85
Pout…………………6.6W
For delivery time:
Generally, we will dispatch the items within 7 days upon order confirmation; some items may need 15~21 days to get ready for delivery, then we will try our best to dispatch as soon as possible, or we will contact you and offer advice.
For Bulk order:
If you would like to place a bulk order, please contact us for better price and better delivery cost.
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