Electro Harmonix – B Power Vacuum Tube The B Power Vacuum Tube is a directly heated power triode for use in Hi-Fi amplifiers. Plate curves and static. Buy Electro-Harmonix B EH Vacuum Tube Duet Platinum Matched: Tubes – ✓ FREE DELIVERY possible on eligible purchases. Electro-Harmonix B power triode tube with gold pins. Made in Russia. Premium version of the B EH with gold grid wire for increased.

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Amazon Second Chance Pass it on, trade it in, give it a second life. Be the first to review this item 0. It seems to be a highly reliable valve, which might have attraction for some. The tonal balance is very even-handed, the soundstage is ridiculously extended and opened up. The valves I had looked consistent, if quite cheaply made with thin glass and flimsy looking internal structures.

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Made in Hunan China this valve is by now a veteran. Please try your search again later. Internal structures are a little different from normal. Amazon Renewed Refurbished products with a warranty. The next blow came in the form of a friend who kindly donated a new Motherboard for my PC, while fitting it I managed to loose the Hard Drive content and I found that my backups had excluded my whole desktop, where I keep all current problems.

Otherwise go for the Mesh. My own scoring is based on the use of the valves in a system 8 that essentially offers an in-room response from near 20Hz to way beyond 20KHz thanks to the large, high sensitivity loudspeakers, digital equalization and super tweeters I generally employ. East Dane Designer Men’s Fashion. This valve offered a very balanced sound, perhaps slightly dark but with strong bass. Given the excellent balance, tone and soundscaping this valve would have been the king of this hill had it not been for the TJ Valves.


There was a problem completing your request. Item is in your Cart. English Choose a language for shopping. Still reliability is an issue with this valve.

Amazon Inspire Digital Educational Resources. Get to Know Us. More power dissipation and better sound are claimed. The soundstage depth is very good. As with the Cetron and standard Valve Art this Valve is unlikely to work well in evenly balanced or slightly bright systems. In my own system which is by far more evenly balanced and offer a very extended frequency response the same Valve turned very bright, almost unbearably so.

Electro Harmonix 300B- Vintage Tube

Manufacturing was reasonable and consistency good. Luckily enough tubes turned out and my test was better than that at the Ballot boxes, I guess every country gets the government they deserve. Evenly balanced tonally with strong bass this Valve makes easy listening.

Reissued a few years ago this has long been the B against which every other has been measured. As I mentioned, all valves have their own characteristic sound and tonality.

However the connection between Glass Bulb and base was worryingly loose and lacking in rigidity. Alexa Actionable Analytics for the Web. The slight graininess and edginess of the standard Valve Art however is gone, yet the tonal balance is even more tipped up. Customers also shopped for. Only 12 left in stock – order soon. Learn more about Amazon Prime.

It was exhausting but fun to appreciate all the different B Valves in various Amplifiers and contexts and I hope that this little article will help you a little to make your choices easier. Microphonics are about average. Hence this test, in order to relate how many of those different valves perform and sound. Finally a few words on the results and conditions of the test. Videos Enjoy the Music. A valve that sounds rather bright and brash in my system might help in a system that sounds somewhat dull in the high frequency range.


Internal structures match the WE style very closely, the glass is quite thick and heavy.

Soundstaging was lacking too. AmazonGlobal Ship Orders Internationally. While no valve with a separate base should be pulled out by its glass bulb this lack of solidity is worrying and possibly has an influence on the sound too. On the positive side, despite a tendency to brightness the midrange was clean and uncluttered with non of the edginess and graininess of some other valves. The valves where pretty new but run in for around Hours. wlectro

Electro-Harmonix B Power Tube | B EH | Electro-Harmonix

Even the legendary Western Electric B has been put back into production. Hence, just because a valve has received here a score overall of 90 out of it is not just the only one worth buying, it may not necessarily match your taste and system as 3000b as another person’s system and taste. Well, let me tell you those Bothan spies had a lark!

Amazon Drive Cloud storage from Amazon. Box 84 Moscow Russia. It introduces a new type anode made as a sandwich of copper, nickel and iron.

The examples tested where borrowed from a friend and well burned in. I could not sleep at night and finally had to visit my dentist who promptly decided root canal surgery was needed. View Cart Proceed to checkout.