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 history of poor reliability however makes good backup from a reliable and reputable dealer a must, so elechro recommendation with some question marks is on order. My own informal audition stretched over many month and included the following: This valve offered a very balanced sound, perhaps slightly dark but with strong bass. The sound was bright, brash and dry.

Withoutabox Submit to Film Festivals. 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.

There’s a problem loading this menu right now. Otherwise go for the Mesh.

In one of my amplifiers I can switch between many Valves including the Item is in your Cart. Sonically this valve resembles the Cetron and normal Valve Art but with the brightness and forwardness elevated to a new level.

Electro Harmonix B- Vintage Tube | eBay

Made in Hunan China this valve is by now a veteran. 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. I mean fighting Imperial storm troupers, bounty hunters etc.


Microphonics of the Svetlana valve are perhaps a little above average, but not much. Credit Cards harmonic accepted only via the paypal service, other payment methods include bank transfer. Sonically this valve sounded almost identical to the ceramic base version now sold under Electro Harmonix label. Box LaFox, IL Internally, well it’s a WE B.

Electro Harmonix 300B- Vintage Tube

Sonically this valve failed to convince, sounding bright, harsh and edgy. Eectro 12 left in stock – order soon. If you do look up their advice or consider mine make sure you know the System and musical taste of those commenting.

Tonally the Svetlana B is evenly balanced with a beautifully delineated midrange and gorgeous sound staging. Amazon Renewed Refurbished products with a warranty. As such some will work better in some systems than in others. hrmonix

I have been told new production runs will be made, so I consider this Valve very much current. 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. DIY HiFi Supply will ship the valves internationally and are pleasant to deal with but for one little detail.

To make up for that you get a five years warranty, that is a lot of peace of mind. The tonal balance is very even-handed, the soundstage is ridiculously extended and opened up. After detailing each valves background and sound time for a closing few lines. I could not sleep at night and finally had to visit my dentist who promptly decided root canal surgery was needed.


Highly recommended if import directly from Russia is possible or dealers offer similarly competitive pricing. The valves I had looked consistent, if quite cheaply made with thin glass and flimsy looking internal structures.

Thorsten dude, the original “Bothan” B shootout is available by clicking here. Compared harmonic some others build quality is consistent but not very solid, the glass is a bit on electo thin side and the Valve feels lightweight, still, you get five years warranty and reliability seems to be great. I felt distinctly unhappy handling these Valves.

This was actually the first TJ valve I encountered. Electro Harmonix is a relatively new Brand for Harmonnix it is well known for guitar effects owned by New Sensor who also own the Sovtek brand name. Compared to the “Mesh Anode” this valve offers a little less detail and directness, but the TJ family sound also found in the Solid Anode Coke bottle valve that was withdrawn from the review is clearly there.

Internal structures resemble the Sovtek valves, but the anodes are a shiny black finish.

Unlike the Cetron, the Valve Art could at times sound a little grainy and edgy, but much less so than the JJ.