Siemens EZ90

NOS Germany made EZ90 or 6X4. Scarse and in demand.

Siemens EZ90 6X4

€ 28,00

  • 0,04 kg
  • Sold Out

Tung Sol 6X4WA

Made in USA NOS milspec 6X4WA Tung Sol. Rare and in demand as one of the very best sounding 6X4 or EZ90. Limited availability. 3 or 4 or 5/59 so real vintage almost 60 years old. Known to be recommended by famous tube tuners for upgrading any 6X4. Only the GEC 6X4 seems to better the Tung Sol - at a price! Please be aware the print on the tube is fading so not 100%. Tested on the Amplitrex AT1000 with NOS test results. Black plates D getter.

Tung Sol EZ90 6X4WA

€ 35,00

  • 0,04 kg
  • Limited Availability
  • Delivery: 1 day1

General Electric (GE) 6X4WA

Made in USA NOS JG-6X4 General Electric  1956 week 48. Low stock. Probably black plates made for Bendix.

GE EZ90 6X4

€ 27,00

  • 0,04 kg
  • Limited Availability
  • Delivery: 1 day1

5U4C

NOS Russian tube rectifier 5U4C. Equivalents 5Z4GT. This vintage Russian 5U4C (5Ц4С in Cyrillic script) rectifier is a 5Z4 equivalent. This slow-rise, indirectly-heated rectifier should be considered an upgrade for a 5Y3 tube in most circuits, and will drop slightly less voltage. It has gray plates and a bottom dish getter. The silver print on the base has the OTK inspection stamp. Made XI-75.

5U4C 5Z4GT

€ 11,00

  • 0,04 kg
  • Available
  • Delivery: 1 day1

Raytheon 6X5GT

NOS USA made Raytheon 6X5GT rectifier equivalent of European EZ35. Lovely small rectifier. 

Raytheon 6X5GT EZ35

€ 52,00

  • 0,04 kg
  • Limited Availability
  • Delivery: 1 day1

5C4M

NOS Russia XI-79 near equivalent of 5Z4, 5Z4G, CV1863 tube rectifier.

Russian tube rectifier 5C4M 5Z4

€ 11,00

  • 0,02 kg
  • Limited Availability
  • Delivery: 1 day1

6Z4

Russian NOS 72's Reflector 6Z4 equivalent of a 6X4 EZ90 but different pinout. Cost effective upgrade rewiring one wire from pin 6 to 7. Black plates. Chinese 6Z4 is direct replacement. 5000 hours longlife molybdeen pins cleaned with Deoxit.

6Z4 EZ90 Russian rectifier

€ 10,00

  • 0,02 kg
  • Limited Availability
  • Delivery: 1 day1

GE JAN 5726

GE JAN 5726 6AL5W EAA91 double diode silver plates 80's NOS. Measuring 120%+ of NOS values. Excellent rectifier. Miniatur 7BG 7 pin base. Tested on the Amplitrex AT1000.

Double diode GE JAN 5726 GE 6AL5W EAA91

€ 9,00

  • 0,02 kg
  • Available
  • Delivery: 1 day1