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T-6L6WGC-TAD6L6WGC - Tube Amp Doctor
Multiple Options Available

TAD 6L6WGC-STR GE-Style small bottle black-plate"Our recommendation for single-ended Amps like Fender Champ 12, Ibanez Valbee, and others.



  • TAD has the remakes of the all time favorite 6L6 classics of RCA and GE. The TAD 6L6WGC-STR has warm lower mids and silky top end; exactly like the classic GE version of the 50s and 60s. The complex midrange and sweet heights are dedicated to excellence in a class of its own. The perfect choice for vintage amps like the Bassman, Twin or Super Reverb.

Starting at $24.75
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T-EL84-TADEL84 - Tube Amp Doctor
Multiple Options Available

What sets the TAD EL84 apart from other tubes is its heavy duty construction, featuring a thick glass envelope as well as premium cathode and plate materials and gold grid wire. This is a great replacement for any EL84 based amplifier.


Starting at $17.25
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T-EL34B-TADEL34B - Tube Amp Doctor
Multiple Options Available

Octal power tube (Max Plate Watts = 25W) Sensational new high-gain (Gm) EL34 tube with very dynamic tone. Extra strong military grade construction with gold plate grid. Perfect for High-End HiFi and best choice for all Marshall®, Hiwatt®, Orange® etc. to achieve that big tone they became famous for. Very close to the legendary UK made Mullard EL34. The TAD EL34B-STR can replace any 6CA7 or KT77.


Starting at $21.00
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T-6L6GC-TAD6L6GC - Tube Amp Doctor
Multiple Options Available

Octal power tube (Max Plate Watts = 30W) TAD 6L6GC-STR RCA-Style black-plate "TAD has the remakes of the all times favorite 6L6 classics of RCA and GE. The TAD 6L6GC-STR is the perfect choice for the tone of the rock legends with powerful deep bass and clear but pleasing airy top end.


Starting at $24.75
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T-6V6GT-TAD6V6GT-STR - Tube Amp Doctor
Multiple Options Available

This all new TAD 6V6GT-STR combines the exceptionally sweet voiced NOS 6V6GT like the RCA or GE 6V6GTY with up to date demand to withstand the higher operating voltages due to raised AC supply. Surprisingly tight bass which you would not expect except with the very best choice of real NOS 6V6GT treasures. TAD recommends the TAD 6V6GT-STR for all 6V6 applications where a powerful but sweet tone is desired; Works great in Single Ended Class A Amps like the Fender -Tweed- Champ, Vibro-Champ, Fender Champion 600 or the Univalve.


Starting at $21.00
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T-6550A-STR-TAD6550A-STR – Tube Amp Doctor
6550A-STR TAD Premium Matched
Remake of the Classical GE6550A - TAD 6550A-STR PREMIUM Selected
NEW VERSION: Since Sept. 2010, the TAD 6550A-STR has been manufactured with a stronger and exceptionally pure anode material combination. In conjunction with the extended TAD burn-in and formating process, the 6550A-STR reaches an outstanding consistency and stability and outperformes even the 6550C -C-. This makes the 6550A-STR withstand even the most critical application like e.g. the Ampeg SVT. (Fits only without the tube retainer!)
The TAD 6550A-STR is a true remake of the vintage GE 6550A with a heavy, straight glass envelope, polished metal base and the authentic triple getter construction. A balanced tube, known for its incredible bottom end and rich mids. Smooth, liquid bass, natural sounding tone and a wide open character make this tube extremely popular for bass guitar amps and High End Hi-Fi applications.
$37.95
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