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1 From 6
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Sovtek Tubes
NN111
5881 / 6L6WGC / 6P3S-E - Russia / Sov.
The russian 5881 was born as 6P3S-E in the Saratov plant and was designed for the use in military vehicles and aircrafts. Outstanding mechanical sturdyness and reliability is its key feature. Today this tube is mostly known as Sovtek /...

From €17.40 *
Part Number: NN111
Tube Amp Doctor GmbH
RT31
5881WXT-R TAD PREMIUM Matched
Hard Rock! The popular TAD 5881WXT is a very dependable 6L6GC type tube with a more modern and aggressive character. It has slightly less power than a 6L6GC but has a special bite in the upper mid range, which allows your sound to cut...

From €38.01 *
Part Number: RT311
General Electric
S6550A-GE
6550A GE NOS (USA)
THE LEGEND: : 6550A General Electric NOS / NIB (USA) aka CV5220, KT88 extremely rare in unused condition from military surplus stocks

From €184.23 *
Part Number: S6550A-GE
Tube Amp Doctor GmbH
RT88
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...

From €58.00 *
Part Number: RT881
Sylvania Electric Products
S6CA7
6CA7 Sylvania / Philips ''Fat Boy''
THE LEGEND: 6CA7 Sylvania / Philips ''Fat Boy'' (USA) NOS / NIB

€164.74 *
Part Number: S6CA7
NOS Tubes
S6CZ5
6CZ5 NOS Tube ( ~ 6973)
6CZ5 NOS Tube ( can replace 6973*) General Electric NOS / NIB * check datasheet for details

€27.20 *
Part Number: S6CZ5
Sovtek Tubes
NN411
6L6GA / 6P3S -clear top- NOS Russia (aka 6L6GC)
Sov/Russia the cheapest 6L6

From €9.56 *
Part Number: NN411
JJ - Electronic s.r.o.
NN401
6L6GC JJ Electronic
JJ 6L6GC Pentode. The 6L6GC is the typcial output tube use by most US amercian amplifier models with output power exceeding 30W. manufacturer: JJ Electronic

From €18.91 *
Part Number: NN401
Tube Amp Doctor GmbH
RT21
6L6GC-STR BLACKPLATE RCA-Style TAD PREMIUM...
The Classic 6L6 Sound - Excellent Tone and Maximum Lifetime! TAD has the remakes of the all time favorite 6L6 classics by RCA and GE. The TAD 6L6GC-STR is your perfect choice if you are up for the sound of the rock legends. It provides...

From €28.76 *
Part Number: RT211
Siemens NOS
S6L6WGB-SIE
6L6WGB Philips, marekd & boxed Siemens (NOS/USA)
6L6WGB Philips, marekd & boxed Siemens (NOS/USA) this is the same tube sold as 6L6WGB JAN-Philips, just branded & boxed by Siemens for the German market

From €72.63 *
Part Number: S6L6WGB-SIE
General Electric
GE212
6L6WGB-Philips/USA, Matched Pair NOS / NIB
Matched PAIR (= 2 tubes with same Ia / Gm) Found a little treasure in our warehouse: a small box full of 6L6WGB-Philips/USA, NOS / NIB In the 1990s we matched and labeled these for the RUBY brand.

€152.26 *
Part Number: GE212
Tube Amp Doctor GmbH
NN811
6L6WGC-STR TAD
6L6WGC-STR (aka 5881) tube, long-life version

From €14.81 *
Part Number: NN811
Hint!
Tube Amp Doctor GmbH
RT81
6L6WGC-STR BLACKPLATE GE-Style TAD PREMIUM Matched
The Classic Sound of the 1950s and 60s - Excellent Tone, Maximum Lifetime! The perfect choice for vintage tweed and blackface amps such as the 1960 Bassman, Twin, Showman or Super Reverb. The complex midrange and sweet heights are a...

From €28.76 *
Part Number: RT811
Soviet NOS
NN371-K
6P14P-K (EL84M)
this 6P14P-K is a special shock and vibration resistant version of the russian EL84 (6P14P) made for the sowjet aircraft and spaceship use. cause of the mechanical quality this tube is a recommendation for use in guitar amplifiers. small...

€17.35 *
Part Number: NN371-K
Soviet NOS
S6P15P-EB
6p15-EV / 6П15П-EB pentode
Pentode 6p15-EV / 6П15П-EB, baugleich zur SV83 Svetlana NOS russian made ruggedized long-life version "EB", rated 5,000 operating hours

€9.56 *
Part Number: S6P15P-EB
Soviet NOS
S6P18P
6P18P = EL82 Pentode
6P18P = EL82, 6DY5 Pentode made in Russia

€9.56 *
Part Number: S6P18P
SED Tubes
SEL519-R
6P45S -C- Svetlana (aka. EL509 / EL519 )
6P45S -C- Svetlana (aka. EL509 / EL519 ) original pin-out for Magnovalfassungen super rugged russian version of the EL519 made by Svetlana in St. Petersburg in 1970s to 1990s.

€43.37 *
Part Number: SEL519-R
Mullard Tubes
S6V6G
6V6G NOS, IEC Mullard (CV509)
NOS 6V6G IEC, Mullard (made in Canada, dated 1954) Great choice for these single ended amps like THD Univalve amps and a beautiful appearance on HiFi audio amplifiers. NOTE: limted supply! >>> NOS like tone & reliability at affordable...

From €47.77 *
Part Number: S6V6G
Tube Amp Doctor GmbH
RT84
6V6GT "Summer-Of-69 Special" TAD PREMIUM Matched
metalbase 6V6GT-S (aka. 6P6P) "Summer-Of-69 Special" TAD PREMIUM Matched NOS-Tube made in the year 1969 NOTE: these tubes are selected NOS, means new (unused) old stock. They are typically 30-80 years old sleepers. Signs of age, such as...

From €23.88 *
Part Number: RT841
Sovtek Tubes
NN131
6V6GT (6P6S) NOS Russia
Sov/Russia blackened glass

€6.77 *
Part Number: NN131
NOS Tubes
S6V6GT
6V6GT NOS (mixed US brands)
The american made NOS 6V6GT are legendary. Great choice for these single ended amps like Fender 5F1 Champ or the THD Univalve amps. NOTE: limted supply, mixed brands, pictures might show different makes >>> NOS like tone & reliability at...

From €47.77 *
Part Number: S6V6GT
Tube Amp Doctor GmbH
RT43
6V6GT-CZ TAD PREMIUM Matched
BRAND NEW New for 2020 in the TAD range is the TAD™ 6V6GT-CZ. It is a glass envelope beam pentode having a plate dissipation rating of 14 Watts with convection cooling. It is intended for audio frequency power amplification service in...

From €31.68 *
Part Number: RT431
Tube Amp Doctor GmbH
RT83
6V6GT-STR TAD PREMIUM Matched
TAD 6V6GT-STR (aka. 7408 / 6V6GTY) PREMIUM tube Finally in production after 3 years of intensive research. This all new TAD 6V6GT-STR combines the exceptionally sweet characteristics of the NOS 6V6GT by RCA or of the GE 6V6GTY. It is a...

From €27.29 *
Part Number: RT831
Tube Amp Doctor GmbH
RT23
6V6GTB-STR TAD PREMIUM Selected
Welcome back! The 6V6GTB-STR is a homage to the vintage 6V6GT made in the 1950s and 60s by Tung-Soll, RCA, GE, Raytheon and Sylvania using the characteristic black/grey coating known as "smoked glass". If you 'd remove the glas then...

From €24.37 *
Part Number: RT231
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