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Brand new PSVANE 300B Tube Replaces 300B Vacuum for Tube Amplifier

Directly heated cathode medium power triode for class A1 amplification. In the audio amplifier, it is suitable for the occasion where the output power is required to be 10W.

limit rating

Anode voltage………………480V

Anode Dissipated Power…………40W

cathode current

Self-biased………………100 mA

Fixed Bias………………70 mA

Interpole capacitance

Input Capacity ……………… 9PF

Output capacitance……………………4.3PF

Cross-circuit capacitance………………15PF

static parameters

Ua…………………………300V

-Ug…………………… 60 V

Ia…………………………60mA

Gm…………………………5.5mA/V

Ri…………………………0.7 KΩ

μ………………………… 3.85

Pout……………………6.6W

Recommended parameters

Ug

Ua Uf(AC) Uf(DC) I a

V --~V----V---- mA

200--33--29.5 --77

200--45--41.5 --20

250--46--42.6 --74

250--57--53.6 --22

300--60--56.5 --68

300--70--66.5 --23

400--86--82.5 --68

400--98--94.5 --19

Limit parameters

450--100--96.5--60

The shop promises:

The electronic tubes operated by our store are guaranteed to be brand new and high-quality genuine products from the original factory, and we will provide free replacements for any quality problems within one year. All tubes are rigorously tested to match .Buy 2pcs = Precision matched pair. Buy 4pcs = Precision Matched Quad. We have the conditions and advantages to match multiple tubes (four tubes, eight tubes) according to customer needs. the same parameters.

Note: It will be shipped after strict inspection again (please do not think it is a fake and shoddy product after receiving the tube).