The 300B vacuum tube was first mass produced by Western Electric in 1938. Since that time the 300B power tube has become possibly the most revered tube in high end hi-fi amplifiers. We have a large selection of 300B tubes in stock everyday. …

We have recommended the best 300b tubes available in the market, offering excellent sound, superior performance, and cost-effectiveness. Genalex Gold Lion PX300B is a fantastic high-power tube having all specifications like any expensive tube.

The 300B tube was introduced in 1938 by Western Electric to amplify telephone signals. It is a large directly heated triode tube, with a typical power of 8-9 watts for a single-ended design, and about double the power for a push-pull or paralleled design.

TubeDepot carries a selection of 2A3 / 6A3 / 300B Power Vacuum Tubes. New & NOS power tubes from Electro-Harmonix, Genalex, JJ & other US made tubes!

2016年1月26日 · Noam Bronstein from Wall Of Sound gives his perspective and provides a full review of 7 different 300B vacuum tubes from 4 different manufacturers.

Upgrade your amplifier setup with the finest electron tube ever made. Made by hand in the USA using original specifications. Guaranteed with 5-year extended warranty. The 300B is known for its sound quality and powerful performance in both single-ended & push-pull amplifiers. What makes the 300B so great?

Willsenton R800i 300B 805 Tube Single-Ended Class A Integrated Amp & Power Amplifier with Balanced XLR Input

If you are a lover of single ended triode amplifiers, no doubt you are familiar with the mighty 300B. The mightiest of them all are the vintage Western Electric 300Bs, and then if you can find them, the reissued WE 300Bs that came out around 2005 or so.

1999年11月27日 · In the last two years, the available choices in 300B output tubes for one's low-wattage single-ended power amplifier have become an embarrassment of riches. If we include the souped-up versions—which, in fact, deviate from the original 1930s Western Electric (WE) specifications—the number of 300Bs to choose from now includes about 15 ...

The Genalex - GOLD LION PX-300B vacuum power tube has exceptional sound characteristics and high quality. This vacuum tube is praised for delivering a warm and rich tone. The tube is recognized for producing smooth and detailed midrange frequencies that well contribute to its well-balanced performance.