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Tube Amp Doctor GmbH
RT512-MASTER TAD 5U4G REDBASE PREMIUM SELECTED
TAD 5U4G REDBASE PREMIUM SELECTED
The Big Bulb Big bulb vintage rectifier tube, used in high-end audio amplifiers but also in modern recto-type amps, such as the Mesa Boogie Double/Triple Recitifer and many classic Fender Silverface amps. It can replace the 5U4GB. Its...

From €42.80 *
Remember Part Number: RT512
Hint!
Tube Amp Doctor GmbH
RT501-MASTER GZ34-STR TAD REDBASE PREMIUM SELECTED
GZ34-STR TAD REDBASE PREMIUM SELECTED
The Pure and Typical Sag! A faithfull reproduction of the Mullard/VALVO GZ34 (aka 5AR4) combined with the perfection known to our REDBASE™ series. Pure power and the typical sag have been the distinguishing characteristics of the most...

From €36.50 *
Remember Part Number: RT501
Tube Amp Doctor GmbH
RT515 TAD Solid State Rectifier
TAD Solid State Rectifier
TAD Solid State Rectifier Solid State Rectifier, replaces 5U4G/GB, GZ34, 5AR4 and 5Y3 Tube Rectifiers. Perfect for getting more headroom and stability out of the amp! It is advisable to adjust the quiescent current of the power tubes....

€16.80 *
Remember Part Number: RT515
Tube Amp Doctor GmbH
RT503-MASTER 5Y3GT / 6087 TAD PREMIUM SELECTED Rectifier Tube
5Y3GT / 6087 TAD PREMIUM SELECTED Rectifier Tube
The rectifier tube for smaller vintage amps like the 5F1 Fender Tweed Champ or the Tweed Deluxe 5E3 if more headroom is required. Higher output voltage than the 5Y3WGTB (RT513). Not suitable for the Mesa Boogie Lonestar Special due to...

From €28.90 *
Remember Part Number: RT503
Tube Amp Doctor GmbH
RT504-MASTER 5U4GB TAD PREMIUM SELECTED mit geradem Glaskolben
5U4GB TAD PREMIUM SELECTED straight bottle
The Straight One! The 5U4GB has a straight glass envelope. This type has been widely used in U.S-made guitar amps from the 1950s to the 70s. The 5U4GB has a slow start feature, which protects output tubes from high voltage peaks when you...

From €36.50 *
Remember Part Number: RT504
Tube Amp Doctor GmbH
RT521-MASTER GZ34/5AR4-JJ TAD PREMIUM SELECTED
GZ34/5AR4-JJ TAD PREMIUM SELECTED
GZ34/5AR4-JJ TAD PREMIUM SELECTED

From €36.95 *
Remember Part Number: RT521
Tube Amp Doctor GmbH
RT513-MASTER 5Y3WGTB TAD BLACKPLATE Selected
5Y3WGTB TAD BLACKPLATE Selected
5Y3WGTB TAD BLACKPLATE™ Selected THE rectifier tube for smaller vintage amps like the 5F1 Fender Tweed Champ, the Fender 57 Custom Champ or the Tweed Deluxe 5E3. Does replace any 5Y3GT. Has that typical "sag" like NOS 5Y3 by its voltage...

From €43.80 *
Remember Part Number: RT513
Tube Amp Doctor GmbH
RT506-MASTER EZ81/6CA4 TAD PREMIUM SELECTED Rectifier Tube
EZ81/6CA4 TAD PREMIUM SELECTED Rectifier Tube
The Small Rectifier! The TAD EZ81 / 6CA4 is a small rectifier tube for 6.3V filaments. It is used in smaller amps, such as the Marshall 1974X or the TAD 18W Plexi Kit, Silverstone amps and in various Hammond organ amplifiers. It is a...

From €28.80 *
Remember Part Number: RT506
Tube Amp Doctor GmbH
RT502-MASTER 5U4G-SV TAD PREMIUM SELECTED
5U4G-SV TAD PREMIUM SELECTED
Tested and selected from the NOS Svetlana factory in St. Petersburg. Classic design with large glass bulbs, perfect for use in high-end audio equipment, harmonious, mild reproduction with stringent bass. Substitute for the 5Z3P / 5Z3PAT...

From €42.80 *
Remember Part Number: RT502
JJ - Electronic s.r.o.
NN521 JJ GZ34 / 5AR4 JJ Electronic
JJ GZ34 / 5AR4 JJ Electronic
.

€23.80 *
Remember Part Number: NN521
JJ - Electronic s.r.o.
NN506 JJ EZ81 / 6CA4 JJ Electronic
JJ EZ81 / 6CA4 JJ Electronic
.

€16.80 *
Remember Part Number: NN506
JJ - Electronic s.r.o.
NN514 JJ 5U4GB JJ Electronic
JJ 5U4GB JJ Electronic
.

€19.80 *
Remember Part Number: NN514
Shuguang
NN501 5AR4 /GZ34 Shuguang
5AR4 /GZ34 Shuguang
Shuguang 5AR4 / GZ34

€23.80 *
Remember Part Number: NN501
ELECTRO HARMONIX
NN504 EH 5U4GB Electro Harmonix / Russia
EH 5U4GB Electro Harmonix / Russia
EH 5U4GB Electro Harmonix / Russia

€21.80 *
Remember Part Number: NN504
Sovtek Tubes
NN511 Sovtek 5AR4 / GZ34 / Russia
Sovtek 5AR4 / GZ34 / Russia
rectifier tube

€26.80 *
Remember Part Number: NN511
SED Tubes
NN502 5U4G (=5Ц3C / 5Z3S) Svetlana / NOS
5U4G (=5Ц3C / 5Z3S) Svetlana / NOS
full wave rectifier tube, beautiful ST-shape bulb and black base 5U4G (=5Ц3C / 5Z3S) made at the Svetlana factory St. Petersburg. since Svetlana stopped producing glass tubes years ago these tube can be expected as NOS

€29.00 *
Remember Part Number: NN502
JJ - Electronic s.r.o.
NN523 5Y3 S JJ Electronic
5Y3 S JJ Electronic
5Y3 S Rectifier tube by JJ Electronics 5Y3 DOUBLE ANODE RECTIFYING TUBE

€22.80 *
Remember Part Number: NN523
TESLA Electron Tubes
SEZ80 EZ80 / 6V4 NOS Gleichrichterröhre
EZ80 / 6V4 NOS Rectifier Tube
rectifier, double-diode, aka 6V4, CV1535 B9A base for regular 9-pin sockets various brands: mostly Tesla, but also Ei, Tungsram, RFT etc. contains: 1 piece

€27.80 *
Remember Part Number: SEZ80
NOS Tubes
S5Y3 5Y3GT NOS USA
5Y3GT NOS USA
5Y3GT NOS USA various brands, mostly made by Sylvania and CBS

€54.00 *
Remember Part Number: S5Y3
NOS Tubes
S5U4GB 5U4GB SYLVANIA NOS-NIB, USA
5U4GB SYLVANIA NOS-NIB, rectifier tube
SYLVANIA / PHILIPS made 5U4GB all pieces we've ever seen made by Sylvania are beautiful blackplate constructions. Our stock contains various Sylvania packing and marking styles most in original boxes (NIB) picture might differ, various...

€64.00 *
Remember Part Number: S5U4GB
NOS Tubes
S0C3 0C3A / 0C3W  Stabilisatorröhre
0C3A / 0C3W Gas discharge tube
0C3A / 0C3W Gas discharge tube / 105 volt regulator, octal base, aka VR-105, WY-3P A Gas discharge tube / voltage regulator is used as a shunt regulator to hold a voltage constant at a pre-determined level

€19.00 *
Remember Part Number: S0C3
Soviet NOS
S6C5 6C5S  (=6X5GT / EZ35)  Gleichrichterröhre NOS / NIB
6C5S / 6X5GT / EZ35 rectifier tube, Russia NOS / NIB
6C5S / 6X5GT / EZ35 rectifier tube NOS / NIB Russian rectifier tube 6C5S (6Ц5С in Russian). Made by Reflector factory, USSR. Equivalent to the 6X5GT and EZ35

€11.90 *
Remember Part Number: S6C5
Tung-Sol Electron Tubes
NN-TS-5AR4 Tung-Sol 5AR4 / GZ34
Tung-Sol 5AR4 / GZ34
Tung-Sol 5AR4 / GZ34 full wave rectifier, duo diode

€45.80 *
Remember Part Number: NN-TS-5AR4
Psvane & Treasure Audio Tubes
PS-5U4G-HIFI 5U4G PSVANE HIFI-Series
5U4G PSVANE HIFI-Series
5U4G is glass- shell, 8-pin socket, directly heated full-wave rectifier tube,5U4G is very similar with 274B and 5Z3P, which can be replaced by each other. Heater Uf……………5V If…………… 3A Maximum Rating anode inverse peak voltage……1550V anode...

€39.00 *
Remember Part Number: PS-5U4G-HIFI
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