Вакуумная трубка LINLAI 300B-L, обновленный звуковой клапан, электронный трубчатый усилитель 300B, Hi-Fi усилитель звука, комплект «сделай сам», подходит для Quad

Thank you for visiting JUEQIZHE
Vacuum tube brand export store.

Brand New LINLAI 300B-L Vacuum Tube Audio Valve Upgrade 300B for Electronic Tube Amplifier HIFI Audio Amplifier Factory Precision Match Quad

characteristic:

The improved 300B-L, WE three mica pillar jacking process, carbon black screen, natural and stable, sound mellow, natural charm, gold grid silk gift box packaging.

300B-L electronic tube is a direct heated cathode medium power triode used for Class A1 amplification. It is suitable for 10W output power in audio amplifier.

Simulated WE moldy screen anode with classical style, gold-plated tube base, non oxidizing for 10 years. Noble and elegant, medium and high frequency, delicate, and English voice.

Limit rating

Anode voltage............ 480V

Dissipated power of anode............ 40W

Cathode current

Self bias voltage..................... 100 mA

Fixed bias voltage............ 70 mA

Interelectrode capacitance

Input capacitance................................. 9PF

Output capacitance................................. 4.3PF

Cross circuit capacitance.................................... 15PF

Static parameter Ua.................................... 300V

-Ug........................... 60 V

Ia..............................60mA

Gm..............................5.5mA/V

Ri..............................0.7

K ..............................3.85

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. It is a professional shockproof and firm package. It is absolutely safe.

Note: If you only buy 1 pcs, there will be no original gift box. It will be shipped after strict inspection again (please do not think it is a fake and shoddy product after receiving the tube).