GM-70 tube output triode. Anode - graphite. Equivalent 845 tube
GM-70 39,00 $
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Electron tube GU-29 - generator double beam tetrode, equivalent to the FU29, 829B. NOS
GU-29 (original box) Original price was: 12,00 $.Current price is: 9,60 $.

GM-70 (copper)

249,00 $

Russian GM-70 audiophile tube, output triode. Anode – copper (very rare). Excellent sound quality, high power! Near equivalent to the 845 tube

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4 in stock

Description

Description

The electron tube GM-70 modulator triode is designed to work as an amplifier of low-frequency oscillations in modulator circuits. The location is vertical. Cathode tungsten thoriated carbide direct heating. Anode – copper (very rare).

Near equivalent to the 845 tube

Technical specifications:

  • glow voltage 20V
  • filament current 3A
  • plate voltage 1.5kV
  • cathode emission current 800mA (plate voltage and grid potential = 180V)
  • long-dissipated anode power 125W
  • differential transconductance 6mA/V (plate voltage = 600V and plate currents = 160mA, 260mA)
  • gain 6.7 (plate voltages = 1200V, 1000V and plate current = 125mA)
  • dielectric resistance 20 MOhm
  • reverse grid current 40μA
  • max glow voltage 20V
  • min glow voltage 19V
  • max plate voltage 1.5kV
  • max long-dissipated anode power 125W
  • max minute-dissipated anode power 150W
Additional information

Additional information

Weight 0,34 kg
Dimensions 18,5 × 6,8 × 6,8 cm
Brand

ULYANOVSK

Packaging

Product from factory group packaging

Socket type

4 – Pin PLK GM-70

Condition

New product

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About brand
"ULYANOVSK" Ulyanovsk city MADE IN RUSSIA
SKU: 07072025 Categories: , ,