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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Electro Harmonix 300B- Vintage Tube

The soundstaging was quite open and resolved. Electr this valve very much resembles the Cetron, with a bright tone, forward and overall a slightly tipped up balance is combined with a good bass punch, but the sound is rather lean. The sound was bright, brash and dry. Amazon Second Chance Pass it on, trade it in, give it a second life. All in all this Valve stands a good deal above much of the competition at the budget end and offers superb sound.

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

Microphonics are about average, perhaps slightly better. One positive side, the bass was quite strong and well defined but the overall tonal balance was subjectively objectionable and faintly unpleasant.

Highly recommended 30b0 import directly from Russia is possible or dealers offer similarly competitive pricing. In terms of build quality these Valves are easily the best in the whole group, with thick glass, substantial internal structures and a superb consistency.


All in all a Valve that did not find much favor with either listening panel or myself. The price of the valve is on the high side, make that very high side.

This valve is tremendous value for money and offers evenly balanced sound slightly on the warm and dark side, thus suited best to overly bright systems. They claim for the TJ valves added selection and burn in and curve rather point matching.

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. This Valve is certainly well worth considering, in fact if it was not for the TJ Mesh Anode this would be my recommendation.

Tonally the Svetlana B is evenly balanced with a beautifully delineated midrange and gorgeous sound staging. Sound is good all-round and the valve will give a good account of itself in most systems, especially those that are perhaps a electr on the bright side tonally.

The tonal balance is very even-handed, the soundstage is ridiculously extended and opened up. The history of poor reliability however makes good backup from a reliable and reputable dealer a must, so a recommendation with some question marks is on order. My own informal audition stretched over many month and included the following: Electro-Harmonix B power triode harmonxi with gold pinsMade in RussiaPremium version of the B EH with gold grid wire for increased bias stability as well as top of the line sonics and performance.

Even the legendary Western Electric B has been put back into production. Both valves where identical so I do not think this was an isolated fault.

Electro-Harmonix 300B

Thorsten dude, the original “Bothan” B shootout is available by clicking here. My test pair was actually the replacement pair supplied for the Billie Kit Amplifier where it comes as standard. While great in the midrange the bass and Treble are only very good.


Some of the valves where evaluated further in a friends system. Compared to the ceramic base version this Valve sounded more subdues in the treble range, also having a slightly more constricted soundstage. Turn on 1-Click ordering for this hzrmonix. Otherwise go for the Mesh.

F rom the days when Enjoy the Music.

: B – Electro-Harmonix, Gold Pin: Musical Instruments

Various other Amplifiers for the Cone Woofers and electronic crossovers complete the Speakers. Amazon Drive Cloud storage from Amazon. As with the Cetron and standard Valve Art this Valve is unlikely to work well in evenly balanced or slightly bright systems.

If you do look up their advice or consider mine make sure you know the System and musical harmoniix of harmonixx commenting. As a result of considerations such as that I have tried very much to bring out each valves individual sonic character relative to the others in the test, in addition to assigning “absolute” scores based on relative performance in hharmonix system. Music and sound is a very subjective thing. Well, I started to retype everything. Internal structures resemble the Sovtek valves, but the anodes are a shiny black finish.

The test samples where purchased directly from Russia. Evenly balanced tonally with strong bass this Valve makes easy listening. Box Atlanta, GA Voice: In terms of three dimensionality it did not match the best yet this Valve was quite likeable and even-handed sounding giving much of the bloom and warmth of the B.

Internally, well it’s hadmonix WE B.

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