Hello and welcome to my auction! 🎉

I'm pleased to offer Vintage Power Triode Tubes for sale: GM-70.

Quantity: 14 pieces in this lot. 🛍️
Condition: New.
Manufacturer: Ulyanovsk.
Manufacture date: 05/1978 ,1977(3pcs) years.

Technical details:

GM -70:
glow voltage 20V;
filament current 3A;
plate voltage 1.5kV;
height 185mm;
diameter 68mm;
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 megaohm;
reverse grid current 40 microamp;
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.

Payment: 💳

Accepted via Payoneer.

Shipping: 📦

Your order will be promptly dispatched within 3 working days, accompanied by a tracking number. International shipping via Ukraine air mail ensures a safe and timely delivery, with an estimated arrival time of 14-25 business days. Each item is meticulously packaged to guarantee its safe arrival. In the rare event of any damage during transit, rest assured that we offer a refund or replacement.