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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The valves are actually rebadged Reflector units, made in the Saratov Factory in Russia. Microphonics are about average, perhaps slightly better. Thus much time that I should have spend listening and writing reviews was taken up by other pursuits.

Electro Harmonix is a relatively new Brand for Valves electto is well known electfo guitar effects owned by New Sensor who also own the Sovtek brand name. Would you like to tell us about 300 lower price? While great in the midrange the bass and Treble are only very good. AmazonGlobal Ship Orders Internationally.

Internal structures look common and but the filaments are supported on coiled springs different from the Western Electric type valve.

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. Internal structures hharmonix the Sovtek valves, but the anodes are a shiny black finish. Be the first to review this item 0.

It was however much at home driving the Beauhorn B2 loudspeakers I reviewed a while backwhere it managed to compensate for their lack of treble extension. Amazon Renewed Refurbished products with a warranty. Their products are available electrro a number of sources under the Full Music and All Music label. All in all this Valve stands a good deal above much of the competition at the budget end and offers superb sound. The midrange had good detail and delineation with a slightly subdued high frequency content.


Alexa Actionable Analytics for the Web. Please make sure that you are posting in the form of a question. I have been told new production runs will be made, so I consider this Valve very much current. The sound was bright, brash and dry. After detailing each valves background and sound time for a closing few lines. Internal structures look common and without unusual features.

Various other Amplifiers for the Cone Woofers and electronic crossovers complete the Speakers. Still, Jean Hiraga declared the B to be “the tube of the century” and in my view rightly so. Otherwise make sure speakers have comparable efficiencies and tonality.

Videos Enjoy the Music. In both cases extra effort and expense is needed, this may dissuade some people from ordering. Made in Hunan China this valve is by now a veteran. The Valve has a substantial ceramic base and in general appears well made.

View Cart Proceed to checkout. I mean fighting Imperial storm troupers, bounty hunters etc. So if your amplifier runs the output valve very hard this may be a better bet for long term reliability. The use of digital room correction means that usual bass bloat of the room is suppressed, thus the system is comparably close to an open window with pretty low colorations.

This valve may have needed “burn in”, however my experience has so far been that few valves change their sound dramatically after burn in.

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Some of the valves slectro evaluated further in a friends system. Other Sellers on Amazon. 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 harminix your choices easier. No specific claims are being made for any of the features in the Valve and a question on performance elicits a dry “WE Spec” reply.

Electro-Harmonix 300B

In addition to the valves in my own possession and those submitted by manufacturers and distributors I leaned heavily on friends and acquaintances to obtain a loan of B valves they had at hand to make the test as comprehensive as possible. If you do look up their advice elecgro consider mine make sure you know the System and musical taste of those commenting.

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For warranty information about this product, please click here. Unlike the Cetron, the Valve Art could at times sound a little grainy and edgy, but much less so than the Hzrmonix.

The tonal balance is very even-handed, the soundstage is ridiculously extended and opened up.

Electro Harmonix 300B- Vintage Tube

On the contrary, the sonic characteristics of this valve may very well suit your system very well. While no valve with a separate base should be pulled out by harmonnix glass bulb this lack of solidity is worrying and possibly has an influence on the sound too. Otherwise go for the Mesh. Share Facebook Twitter Pinterest. While not cheap this Valve to my ears is the highest B game in town.

While in general my comments have been born out in my circle of friends many of whom also have Sovtek, Svetlana and TJ valves at hand you may find that in your system things pan out a little different. East Dane Designer Men’s Fashion. My test pair was actually the replacement pair supplied for the Billie Kit Amplifier where it comes as standard.

At current prices and in the current market I feel this Valve is overpriced. I felt harkonix unhappy handling these Valves. Looking in my Valve Cabinet upstairs and beholding the incredible riches of seven different types of B valves and in some cases several pairs compared to the state of affairs not so long ago makes me realize how lucky we Ultra Fidelity enthusiasts really are. I personally would, given the choice and I have the choice use nothing less.