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| Long life, top-quality construction, and great tone make it one of the finest 300B tube makes available today. Like the original Western Electric 300B tube, it has the 8 course directly heated filament, 40 watt plate dissipation, classic large shoulder tube glass, and are precision matched. The EH 300B tube's plate curves and static DC characteristics (plate resistance, transconductance, mu) also exactly match the originals so you can drop them into any vintage or modern 300B tube amp. For the money the 300B EH tube is a fantastic tube! Availability: Usually ships within 24 hours. |
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| These JJ 300B tubes are dual point matched for the best musical accuracy possible. Every pair is inspected
at the factory and comes with test certificates for each tube. They are labelled as "JJ", and have an attractive
white ceramic base. Availability: Usually ships within 24 hours. |
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| This is the 300B tube against which all other 300B's are compared. Stereophile magazine placed this tube at the top of the 300B category, and this new production version is much easier to obtain than a vintage pair of bottles. Every triode is individually numbered, with its own test results included as well. The packaging is also exquisite: a cherry box engraved with the Western Electric name contains both sealed tube boxes. Each sealed tube box has a serial number sticker and a velvet lining where they can "lie in state" while awaiting the call to take center stage in your amplifier. Availability: Out of stock. More arriving soon. |
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| 300B Tube LinksFor more information on 300B tubes including pinout, ratings, application and possible substitutions visit 300B in Duncan Amps, and 300B in The Tube Directory. |
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