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Powertubes: Pentodes

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Sylvania Electric Products
S5814-3MICA-MASTER
5814 SYLVANIA 3-Mica NOS-NIB / USA
5814A SYLVANIA 3-Mica NOS-NIB, made in USA, built 1959 triple-mica and D-Getter aka Square-Getter 5814 construction are considered to be best 12AU7 ever made aka E82CC, 12AU7A, 6189W double triode

From €49.00 *
Remember Part Number: S5814-3MICA
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 €22.40 *
Remember 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 €49.50 *
Remember 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 €189.00 *
Remember 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 €59.50 *
Remember Part Number: RT881
Tube Amp Doctor GmbH
RT28
6550C-SVT TAD Premium Matched ( SED 6550C winged -C-)
TAD 6550C-SVT : a very powerful and dependable choice with TAD Premium Matching . Stock tube of many hi-fi manufacturers and in the legendary Ampeg SVT bass amp. The TAD 6550C-SVT has a very linear and focused sound. Very consistent in...

From €120.00 *
Remember Part Number: RT281
RCA
S5654COM-RCA
6AK5 RCA COMMAND /USA (=5654W / EF95)
5456 RCA COMMAND NOS-NIB, Pentode, rare blackplate version the absolute top-notch version made by RCA, like the 5-Star from GE replaces any 5654W, EF95 / 6AK5 / CV850 / 6J1P used in the CAD 8000 Trion microphone, upgrade for 6J1 used in...

€39.50 *
Remember Part Number: S5654COM-RCA
Sylvania Electric Products
S6CA7
6CA7 Sylvania / Philips ''Fat Boy''
THE LEGEND: 6CA7 Sylvania / Philips ''Fat Boy'' (USA) NOS / NIB

€169.00 *
Remember Part Number: S6CA7
NOS Tubes
S6CZ5
6CZ5 NOS Tube ( ~ 6973)
6CZ5 NOS Tube ( can replace 6973*) General Electric NOS / NIB * check datasheet for details

€27.90 *
Remember Part Number: S6CZ5
Sovtek Tubes
NN411
6L6GA / 6P3S -clear top- NOS Russia (similar to 6L6GC)
6L6GA / 6P3S -clear top- NOS Russia (similar to 6L6GC) Sov/Russia the cheapest 6L6

From €9.95 *
Remember 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 €20.95 *
Remember Part Number: NN401
Tube Amp Doctor GmbH
RT211
6L6GC-STR BLACKPLATE RCA-Style TAD PREMIUM Selected
SOLD OUT - discontinued - no longer avilable, replaced by 6L6GCM-STR Redbase 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...

From €39.80 *
Remember Part Number: RT211
Hint!
Tube Amp Doctor GmbH
RT10
6L6GCM-STR REDBASE TAD PREMIUM Selected
Our answer to the challange to build the best 6L6 type tube ever manufactured! brandnew in 2021 The TAD 6L6GCM-STR REDBASE is our latest 6L6GC designed and built to claim to be the best 6L6 type tube ever manufactured. A damn high claim,...

From €34.90 *
Remember Part Number: RT101
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 €74.50 *
Remember 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.

€156.20 *
Remember Part Number: GE212
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 €39.80 *
Remember Part Number: RT811
Soviet NOS
NN371-EP-MASTER
6P14P-ER / 6P14P-EP aka E84L / 7320
Probably the most robust type EL84 tube ever built: the NOS Russian 6P14P-ER (kyr. 6П14П-ЕР). Absolutely comparable to the Western European E84L / 7320 from Siemens, Telefunken or Philips / Mullard, especially in terms of durability and...

From €20.40 *
Remember Part Number: NN371-EP
Hint!
Soviet NOS
S6P15P-EB
6p15p-EV / 6П15П-EB pentode
Pentode 6p15-EV / 6П15П-EB / 6p15p-EB (the various spelling results from cyrillic), equivalent with SV83 Svetlana NOS russian made ruggedized long-life version "EB", rated 5,000 operating hours Monoprice amplifier use these marked 6P15...

€7.85 * €9.80 *
Remember Part Number: S6P15P-EB
Soviet NOS
S6P18P
6P18P = EL82 Pentode
6P18P = EL82, 6DY5 Pentode made in Russia

€9.81 *
Remember 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.

€44.80 *
Remember 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 €49.00 *
Remember 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 €24.50 *
Remember Part Number: RT841
Soviet NOS
NN131
6V6GT (6P6S) NOS Russia
Sov/Russia blackened glass

From €8.95 *
Remember 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 €49.00 *
Remember Part Number: S6V6GT
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