TAD RT274 Tubes EL84 Cz Quartet

Tube Quartet

  • The power pack and roughneck beyond the EL84 series
  • Deliberately used it provides a significant wider basis of bass compared to most russian ex-factory tubes
  • Ultra high power
  • Makes every amp sound more powerful and voluminous (bulb diameter: 22 mm, not suitable for some Marshall amplifiers). Someone looking for powerful bass a mid range, is perfectly right choosing the TAD EL84Cz

Further information

Number Of Tubes 4
Matched Yes
35 customer ratings:
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New Tubes for H&K Grandmeister 36

Blue Dragon, 14.07.2018
The Grandmeister needed new tubes and Thomann advised these ones. Changing tubes is very easy with this amp. 4 screws and you can work. After fitting the tubes and testing the amp the difference was very noticeable, more power no hiss or other unwanted noises. Maybe a little more raw sound then the original ones. Without a doubt the H&K Grandmeister 36 is the most versatile amp for home and band use. it simply can do anything, and the 4 channels are all you need to get every sound you may need. I play rock and blues with Gibson guitars for me the perfect combination. And with he new tubes there eis only one thing to do= let's Rock!!
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Total
quality

Upgrade to AC30

Brian M., 20.05.2013
I got my early 60's AC30 chassis up and running again recently but needed to replace the power valve.... the original EL84 were quite old and I had decided to 'create' an AC15 by removing one of the parallel sets of output valves. This was a bridge too far for the aged valves and one of them died.
I wanted a matched set of valves and the TAD Cz quartet fitted the bill perfectly.
They were easy to replace and the sound of my AC30 is as good as I remember.
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