Hello visitors and buyers,

Welcome to Queenway store!

    About the products details, there we carefully tell you: these specifics produced by AliExpress system, some of these are not correct or even wrong. So the correct products specifics is from the detailed description. Usually the description has some pictures and much words. And if you are in 110V rear. Please notice the items input voltage. As we can not mark it on few items.

    About the international shipping/transportation fee, if the shipping fee is expensive, please contact us. Sometimes we can find few cheaper shipping way and we will 100% reply to you! Please carefully check the packing/box/parcel when the sender delivery. 

Brand New TJ FULLMUSIC VACUUM TUBE

 

Item No.: 300B/SE (Special Edition)

 

Ceramic tube base, gold plated pins

 

Replace other 300B tubes directly

 

Quantity: 1 Matched Pair (2PCS, Factory Test and Match, in luxury Gift Box)

 

Filament voltage* ………………………………2.5V  (We stock 2.5V,  5V should be booked in advance)

 

Nominal filament current …………………………………………………… 1.2A or 2.4A

 

Plate voltage ………………………………………………………………… 300V

 

Grid voltage** ……………………………………………………………… -58V

 

Plate current ………………………………………………………………… 60mA

 

Amplification factor …………………………………………………………… 3.85

 

Grid to plate transconductance …………………………………………… 5.7mA / V

 

Grid current ………………………………………………………………… 0.05 μ A

 

Plate resistance …………………………………………………………… 700 ohms.