LINLAI 300B-L Tube à vide haut de gamme valeur de tube électronique paire assortie en usine
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LINLAITUBE 300B-L Vacuum Tube Hi-end Electronic tube value Factory Matched Pair 100% brand new
Description
We promise to deliver the goods within two days (except holidays) . Quality Assurance 15 months, during this time problems of non-human factors , can be returned for a new
This product is our factory launched the most cost-effective products, but also our main promotion of a product. Perfect matched according your requirements. 15 months warranty from the date of your purchase.
Gold-plated tube base, non-oxidizing for 10 years, stable and long-lasting, highlighting the atmosphere. Originated from the United Kingdom, UK British sound, medium and high frequency delicate, transparent and full. 300B-L electron tube series direct heating cathode medium power triode, used for A1 class amplification. It is suitable for use in audio amplifiers where the output power is required to be 10W. Limit rating
Anode voltage………………480V
Anode dissipation power…………40W
Cathode current
Self-bias…………………100 mA
Fixed bias………………70 mA
Interelectrode capacitance
Input capacitance……………………9PF
Output capacitance……………………4.3PF
Trans-circuit capacitance……………………15PF
Static parameters
Ua…………………………300V
-Ug……………………60 V
Ia……………………60mA
Gm…………………… 5.5mA/V
Ri……………………0.7
K …………………………3.85
