Description

GU-29 /Г У -29 RUSSIAN DOUBLE BEAM POWER TETRODE TUBE NOS GOLD GRID RHOMBUS SAME DATA CODES 1983 FROM 1983 QTY-2 NEW IN BOX!!! High-Quality Russian audiophile GU-29 (Г У- 29 in Russian) tubes. Military equipment. Military quality check passed ( rhombus ) Condition: All tubes are NEW in individual factory boxes. Beam Power Double Tetrode. Glass generator beam-power double tetrode. It is intended for generation of oscillations and power amplification in a meter wave band. Durability - not less than 500 hours. THE MAIN TECHNICAL PARAMETERS OF ГУ-29 : at Uh = 6.3 V, Ua = 400 V, Uc2 = 225 V, Ia = 50 mA Heating current with parallel connection of heaters : ( 2.25 ± 0.25 ) A Current heating with the sequential inclusion of heaters : 1 . 125 A Anode current : ( 60 ± 22 ) mA Current of the 2nd grid : <10 μA Current 1st grid reverse : <4 μA The blocking voltage is negative (at Ia = 0.2 mA) : <55 V The oscillating power (at Ic2 = 35 mA, Ia + Ia = 200 mA, f = 200 MHz) : > 45 W The decrease in the vibrational power (at UH = 5.7V) : <15 % Interelectrode capacitance, pF: - Entrance : 15 ± 2 ; - Weekend : 7 ± 2; - Checkpoint: <0.1. Durability medium: > 500 h Durability criterion: - oscillatory power: > 37 W; - decrease in the vibrational power (at UH = 11.3 V): <20 %. THE ULTIMATE PERFORMANCE CHARACTERISTICS OF ГУ-29 : The greatest heating voltage with parallel connection of heaters, V: 7th The lowest heating voltage for parallel connection of heaters, V: 5.7 The greatest voltage of heating at a consecutive connection of heaters, V: 14 The lowest heating voltage with a series connection of heaters, V: 11.4 The highest voltage at the anode, V: 750 The greatest stress on the second grid, V: 225 The greatest power, long-dissipated at the anodes, W: 40 The largest power dissipated for a long time on the second grid, W: 7th The greatest constant voltage between the cathode and the heater, V: 100 The highest operating frequency, MHz: 200 The highest working temperature of the cylinder, o C: 100 The highest leakage current between the cathode and the heater, μA: 175 D – ~61 mm. H - ~110 mm. Weight - 140 g.