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  Home >> Vacuum tube >> Nature Sound >> K&D >> NA-300B-L 300B Brass Base HIFI Nature Sound Tube

NA-300B-L 300B Brass Base HIFI Nature Sound Tube [Comments(0)|Leave your Comment]
Brand:K&D
Item#:13062706300964
Score:1  (Score change Discount Voucher)
Weight:0.4 kg.
List Price:$110.00
Price:$93.00
You Save:$17.00
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HIFI Nature Sound 300B Audio Vacuum Tube Brass Base

One piece 300B

 

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……………300V 
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 

 

ROHS Compliant

Good quality tubes

 

Test and selected by factory
3months quality warranty from date of receipt.


 

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