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NEW for 2010!
Carbon Plate version, for deeper bass extension,finer detail,and longer life!!
Gold pins, ceramic base.
A lower priced option of the "SE" version.
Supplied in boxed pairs, factory tested and matched!
Review from "Enjoy the Music.com"

Gold pins, ceramic base. These are the latest version out of the TJ factory in Tianjin in China, and are built to the highest standards, achieving astonishing results in 300B based amplifiers , ranging from basic push-pull types to single -ended monoblocks. if you are using 300B amps, you should seriously think about upgrading to these superior valves. Thorsten Loesch tested eight 300B brands in a shootout, which included the highly rated Western Electric, and came to the conclusion that the TJ's possessed a superior sound to any of the competing brands in the test , whilst they are not cheap, they represent fantastic value, compared with the £600 /pair WE's, and offer a far longer life span, [typically 10,000 hours]. They are supplied as matched pairs,[tested on a Sofia curve tracer], each with its own test certificate.
Link to review from Enjoy the music.com
Factory tour from "Enjoy the Music.com"


2.5v filament voltage version, same construction as the 300B version. We have used these to great effect in our "Cyber Signature 10" amplifiers, the results are not subtle, this amplifier is transformed with a set of these installed, improving on the already excellent transparency that these valves are renowned for, and adding a fuller sound overall from the sweet top end to an even deeper bass, fleshing out the mid band to reveal nuances that were prevoiusly not apparent. They are supplied as matched pairs,[tested on a Sofia curve tracer], each with its own test certificate.


Regarded by many as the best 2A3 ever made is the now out of production RCA mono-plate, Now Sovtek have produced a new version that posses a sound that compares favourably to much more costly alternatives currently available.
Link to 2A3 review
Copy of the original type 3 Tung-Sol 6550 made in the 1960's. Triple getter, carbonized screen, and gold plated grid. The current production benchmark of the classic 6550.

In 1957 Marconi-Osram Valve Co. (Genalex) introduced the "King of Power
Tubes", the legendary Gold Lion KT88. This tube became the heart and
soul of such classics as the Dynaco Mark III, McIntosh MC275, and
Marshall Major. Unfortunately, Genalex ceased tube production in the
early 1980s and the Genalex Gold Lion KT88 has become very expensive
and hard to find.
After extensive research and engineering,
New Sensor Corp. has reissued the famed Genalex Gold Lion KT88. This
tube has been recreated down to the finest detail with gold plated grid
wire, carbonized screen grids, and a tri-alloy clad plate structure for
exceptional performance and sound quality.
Genalex Gold Lion KT77 £65/Pair £125/Quad +VAT
NEW!! Gold Lion KT77,excellent replacement for amps using EL34's,more detailed presentation allied to excellent deep bass.
Highly Recommended!!
All valves are factory matched pairs/quads.

NEW!! reissue of the classic EL84.
Perfect for those cold Leak amps.
All valves are Factory Matched Pairs/Quads.

5R4WGB "Potato Mashers"
As used in many high end single ended
amplifiers, built to very high standards and the first choice for bass
response, supplied in original boxes, tested as new!!
£40 pairs.
Some branded as Cetron or Bendix.
See what the reviewers think about the TJ mesh-plate valves, Reprinted from "Enjoy the music.com"
This Valve is rather new, the units I tested where some of the first series units. They are being made in China in the Tianjin Province, the supplier (DIY HiFi Supply) being somewhat coy about more details. The Factory specializes in early WE Replicas and has build up quite a reputation in Japan. Their products are available from a number of sources under the Full Music and All Music label.
The "TJ" label is the "house label" of Opera Audio Hong Kong and DIY HiFi Supply. They claim for the TJ valves added selection and burn in and curve (rather point) matching. DIY HiFi Supply will ship the valves internationally and are pleasant to deal with but for one little detail. Credit Cards are accepted only via the paypal service, other payment methods include bank transfer. In both cases extra effort and expense is needed, this may dissuade some people from ordering.
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. These Valves have a number of features that set them aside form the usual, not at least the perforated anode, globe glass envelope and a very different structure for suspending the filaments. Also, the filament wires extend past the Anode structure, a feature claimed by another manufacturer that uses it to improve linearity. 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.
Sonically this valve was a revelation. In one of my amplifiers I can switch between many Valves including the 45. I always have liked the 45, but it’s limited power meant that often the 300B was preferred, despite it’s slightly thick, overly warm and slow sound. Well, this valve "out 45’s" the 45! It offers that clarity, directness and openness I know from my 45’s but adds power and even more resolution. I love it. The tonal balance is very even-handed, the soundstage is ridiculously extended and opened up. Detail, especially these little background things are exceptionally well resolved. Okay, hand me the drool towel. The fact that the valve glows very, very prettily in the dark is a distinct bonus (see "lit up" picture), but it’s the sound that counts.
While not cheap this Valve to my ears is the highest 300B game in town. I personally would, given the choice (and I have the choice) use nothing less. click here link to full review
Overall 90 Tonality 90 Bass 85 Midrange 90 High-frequencies 90 Resolution 90 Soundscape /Imaging 90 Fit and Finish 95
Link to TJ website
Link to the history of vacuum tubes.
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