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From €34.90 *

*Prices incl. VAT plus shipping costs

This item is no longer available

Premium Matching:

€39.80 *

In Stock, delivery time approx.1-4 working days (Within Germany)
     The delivery times for shipping abroad can be found here.

Part Number: RT121
  • RT161
  • 5x5x12 cm
  • 4251594900320
The Most Versatile EL34   Sensational new high-gain EL34 tube with a very dynamic... more
Product information "EL34 B-STR TAD PREMIUM Tube/Valve"
The Most Versatile EL34
Sensational new high-gain EL34 tube with a very dynamic tone. An authentic remake of the British Mullard EL34. The clear and harmonic open top end allows for great clean tone and at the same time the TAD EL34B-STR offers incredibly powerful mids and equally powerful bass. The golden control grid and especially large cooling grids guarantee maximum stability and reliability. Consequently, this EL34 provides a maximum of gain and dynamic response.
This tube is the best choice for all Marshall®, Hiwatt®, Orange® etc.
Can replace any 6CA7 or KT77.
Tube Type: EL34/6CA7/E34L
Selection: Premium
Reviews 10
Read, write and discuss reviews... more
Customer evaluation for "EL34 B-STR TAD PREMIUM Tube/Valve"
27 Apr 2020

best EL34 for JTM45

THE tube you must have for a JTM45.

3 Jan 2019

Update after having these for a while now in my Blackstar HT Stage 100 mk2 my amp sounds great these Valve a work horse and tone full and rich just fun to play the guitar threw this amp and getting the very best El34 tone money can buy od1 gain stay at 10 o clock setting sometimes at 9 o clock and the voice is not on. od2 has a deeper tone is very nice and od 1 with voice on this very nice high gain od2 is even more gain on tap! So now can see I have great amp! Get the these valve's you not go wrong!

6 Sep 2018

I got my new set of Valves today and i was very happy to see them. So i took the cover off the back of my Blackstar HT Stage 100 MKII. I was thinking about going with JJE34Ls But said know I'm going with these tubes. After I got the tubes Bias and burn in for 30 min or so it was test time these sound so sweet I feeling was this WOW this amp kick butt. Thanks tube amp doctor you all rock

31 Jan 2018

Highly recomended.

They look and feel really well built and sturdy, with what appears to be a thicker glass and thicker plates. They are 'fatter' than the regular EL34 and some people even mistake them for KT88 when they are mounted on the amp.

They seem to have more output than the regular ones and also more bite/attack and dynamics.

17 Apr 2013

Outstanding Power Tube

It is most probably the best sounding production EL34 tube for Marshall Amplifiers your money can buy.

The matched pair fitted as a glove in my JCM800 2205

8 Dec 2012

Majd elfelejtettem,hogy Jadis Orchestrába került be és Magyarországon . Köszönöm TAD.

I almost forgot that Jadis Orchestra and it was made in Hungary. Thank you TAD.

8 Dec 2012

Szuper gyors szálítás. Nem kell megijedni az első hangok után minimum 2 óra kell neki azután kezd beindulni. Nem beszélve arról, amikor már ment egy napot. Egyre jobb, mindenhol.Szuper jó cső jó áron.

Super fast deliverys. Do not be afraid of the sound after the first must be a minimum of 2 hours after starting to get to him. Not to mention that when I went for a day. It's getting better, good mindenhol.Super tube at a good price.

20 Sep 2012

So I'm trying out a bunch of different pre and power amp tubes for my Laney GH50L. (Nothing wrong with it, I just love toying around with different tones.) These TAD EL43B-STR's came stock in my Laney head.

So after all the raving and praise I'd read online about SED Winged C EL34's, the 'Holy Grail' of EL34's, I just had to have some. Apparently they were going to make my amp blast off into the outer rings of Saturn and beam back transmissions, proving life on other planets, tone-wise.

No. Such. Luck. The SED's sound like dog farts compared to these large bottle/plate TAD's.

When I installed the SED's there was a very noticeable drop in bass and low mids, and the upper mids and highs were pushed. But not in a good way, sorta 'noisy'. And when I turned the master volume up the top end gain became 'fizzy'. They were just plain crappy in comparison to these TAD EL34's.

If you ever get the chance, hold an SED Winged-C EL34 and one of these TAD's side by side and you'll see how much bigger everything on these TAD's are. Bottles, plates, getter, etc...all bigger. And then install them in your amp and you'll hear an immediate increase in volume, and just an overall bolder tone. Still crisp and clear on the top end, nice smooth mids, but no fizz, and a bunch more bottom. I'm a believer in these EL34B-STR's! Even if they are MIC! (Are they?

17 Sep 2010

Thanks so much to the team at Tube Amp Doctor for sorting me out a matched pair of these tubes. One of the old ones was leaking and over-heating. The new set matched perfectly - and the sound, if anything is even tighter and a little more mellow - just that great valve amp sound.

What was as impressive was the great comms from the team, the fast despatch, accurate tracking information and very reasonable pricing. I have already mentioned Tube Amp Doctor to many colleagues as I think you guys are superb!

Mark Thatcher

28 Jun 2010

I Just put four of these tubes in my -95 Bogner Ecstasy. The amp now sound very well, indeed. The tubes needed a bias adjustment, but when that was done everything sound as it should in my amp. Crisp and clear top end, British midrange and super tight bottom end. A very musical sounding tube!!!

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Here you will find the most important information about the matching of our tubes more
Information about TAD Matching

Here you will find the most important information about the matching of our tubes

When does a tube become a Premium Selected tube?

Power tubes
All power tubes labeled Premium Selected have passed the following tests:
-      Plate Current (PC) and Amplification (TC)
-      Low Noise Test
-      Microphonic Test
-      Sonic Tests
-      Shock Tests
-      Listening Tests
-      Shorts & Leakage Tests
Premium RT-Matching of Power Tubes
Our Premium Matching is an exact matching of power tubes with identical Plate Current (PC) and Transconductance (TC).
TAD Premium Selected tubes are guaranteed for a period of 6 months (according to terms of warranties)
for the quality criteria mentioned above.
Preamp tubes
All preamp tubes labeled Premium Selected have passed the following tests:
-      Low Noise Test
-      Microphonic Test
-      Gain Test
-      Sonic Tests
-      Shock Tests
-      Listening Tests
-      Balanced Output Test
Premium Selected
We call the tubes SELECTED which have passed above tests and thus qualify as reliable all-round tubes of their type.Typically this is around 30-60% from a batch that receives the SELECTED label from TAD.
For applications in particularly sensitive functions such as V1 or input stage with combo amps, V1 in high-gain amps, tube microphones and phono preamps, we recommend using the respective HIGHGRADE selection
But only those tubes which pass these tests best are labeled Highgrades.Typically this is approx. 3-10% from a production batch that qualifies for the HIGHGRADE rating from TAD.
Due to the very high selection requirements, this article is temporarily only available to a limited extent! Please note our shop-information on availability.
Matching and Selecting Options for Preamp Tubes
Matching in Pairs for preamp tubes means that two tubes show identical gain, hence, four characteristically identical systems.
This matching method includes our Balance-Selection. We highly recommend this matching method for hi-fi systems.
TAD Premium Selected/Highgrade tubes are guaranteed for a period of 6 months (according to terms of warranties)
for the quality criteria mentioned above.
Tube Amp Doctor GmbH
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