• 2 x GU50 / LS50 SAME 1979's Audiophile Tubes NOS +2 Original (USED) Sockets RARE - Vintage Radio Parts Store
  • 2 x GU50 / LS50 SAME 1979's Audiophile Tubes NOS +2 Original (USED) Sockets RARE - Vintage Radio Parts Store
  • 2 x GU50 / LS50 SAME 1979's Audiophile Tubes NOS +2 Original (USED) Sockets RARE - Vintage Radio Parts Store
  • 2 x GU50 / LS50 SAME 1979's Audiophile Tubes NOS +2 Original (USED) Sockets RARE - Vintage Radio Parts Store
  • 2 x GU50 / LS50 SAME 1979's Audiophile Tubes NOS +2 Original (USED) Sockets RARE - Vintage Radio Parts Store
  • 2 x GU50 / LS50 SAME 1979's Audiophile Tubes NOS +2 Original (USED) Sockets RARE - Vintage Radio Parts Store
  • 2 x GU50 / LS50 SAME 1979's Audiophile Tubes NOS +2 Original (USED) Sockets RARE - Vintage Radio Parts Store
  • 2 x GU50 / LS50 SAME 1979's Audiophile Tubes NOS +2 Original (USED) Sockets RARE - Vintage Radio Parts Store
  • 2 x GU50 / LS50 SAME 1979's Audiophile Tubes NOS +2 Original (USED) Sockets RARE - Vintage Radio Parts Store
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2 x GU50 / LS50 SAME 1979's Audiophile Tubes NOS +2 Original (USED) Sockets RARE

2 x GU50 / LS50 SAME 1979's Audiophile Tubes NOS +2 Original (USED) Sockets RARE

€35,00 EUR
€0,00 EUR €35,00 EUR
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2 x GU50 / LS50 SAME date same batch 1979's Audiophile Tubes NOS +2 Original new Sockets

Approximate Analogue: ~LS50 ~LS-50
NEW NOS PENTODE VALVES For AMPlifier

GU-50 tube Datasheet:
  • Ambient temperature, °C -10 to +55.
  • Relative humidity at up to +25 °C, % 98.
Electrical Parameters:
  • Heater voltage, V 12,6;
  • Heater current, A 0,6-0,85;
  • Mutual conductance (at anode voltage 800 V, grid 2 voltage 250 V, grid 1 voltage increment 5 V, anode current 50 mA), mA/V 3-5,5;
  • Bias voltage at operating point, V 25-55;
  • Penetration factor of grid 1 relative to grid 2, % 16-26.
  • Interelectrode capacitance, pF:
  • input, at most 13-15;
  • output, at most 10,3;
  • transfer, at most 0,1.
Output power, W, max.:
  • at anode voltage 800 V,
  • grid 2 voltage 250 V,
  • grid 1 voltage -100 V,
  • anode current,
  • at - most 150 mA 55;
  • over 1,750 h of service 40.

Combine shipping is accepted.
If you need less or more items of this type, or if you need add some other items, contact us, and we will make special listing for you.
Give us the list of items you need, and we'll do the rest.

We have many other vacuum tubes for audio and other, ask us if you need any of them.

Items are shipped from EU- Lithuania Post via expedited International tracking.
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