Tube Amp Doctor (TAD)

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Vacuum Tube - EL84, Tube Amp Doctor

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Customer image:<br/>"TAD EL84STR"
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Customer Images:
Customer image: "TAD EL84STR"
Item ID: 004858
Starting at: $18.45
In stock
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Tube Amp Doctor opted for the thickest glass possible and the heaviest construction available, just like the Russian EL84M, and combined these features with the sonically most promising cathode plate options, in order to meet and exceed the tonal quality of the EL84-Cz. Finally, Tube Amp Doctor added the gold grid wire in order to improve overall reliability. The sound can be described as very harmonic in the middle and treble frequencies, without adding too much power to the bass. The result is the best EL84 in current production.

No Compromise!

Q: When does a power tube become a Premium Selected power tube?
A: 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

Part Numbers
Single or MatchedOur Part NumberUPC/EANTube Amp Doctor Part Number
Matched PairT-EL84-TAD-MP609722123457
Matched QuadT-EL84-TAD-MQ609722123464
SingleT-EL84-TAD609722123440 RT871
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Specifications, Files, and Documents

Product Reviews

4.77 out of 5 based on 13 reviews


5 out of 5

Great vendor of quality tubes and parts for vintage amps. EL84's sound excellent.

- May 9th, 2015
5 out of 5

I have become a big fan of TAD tubes! I mostly play p&w music and I have these el84's installed in both amps I use. (vox ac15c1, and fender concert pro tube series 112) They're dead quiet in the fender, and just a little noise in the vox. Smooth breakup,very warm, and a bit darker sounding than most other el84's. (which I love about these tubes) They (along with the 12ax7's) turned the ac15 from a good little amp to a stellar sounding amp and warmed up the sound of the concert considerably! I am mostly a rythm player and play a gretsch falcon or a strat w/cs texas specials. I would highly recommend these tubes!!

- November 22nd, 2014
5 out of 5

Amazing tone and clarity. Had el84 groove tubes in prior to changing. I really get that SRV glassy highs and chimes with great clarity and bite. Total 60's sounding and really deep powerful lows. I couldn't be more pleased. My blues junior (modified) BillM mods is killer.

- September 18th, 2014


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