NEW GS 23b tube. One last tube. It is NOS tube. There is a light oxydation couse the tube has been stored without original package but it is still NOS tube in working condition. The GS-23B power tetrode generates and amplifies power at up to 1,000 MHz in RF equipment. The GS-23b is generally considered to be similar to the 4CX1600U.
Type: tetrode;
Application field: power amplification up to 1,5kW and 1000MHz in special equipment;
Brief application: Amplification, RF heating;
Cathode: indirectly heated, oxide-coated;
Envelope: metal-ceramic;
Cooling method: forced air;
Height: at most 120 mm (4,7"); diameter: at most 90 mm(3,5"); mass: at most 1.1 kg (2,51 Lbs).