Description

GU50 ГУ50 LS50 RUSSIAN TUBE AUDIOPHILE PENTODE MATCHED PAIR with PARAMETERS Tested in triode mode with L1-3 tube tester. Testing parameters/values : Uf 12,6V , Ua = 300V,Rk = 400R Judging by the appearance and measurement results - it seems that it has not been used Measurement results - PICTURE #2 .The pairs are formed based on the value of the anode current. The date of manufacture may vary. 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. Weight - 102 gr. * Shipping: We ship worldwide by Registered and priority Lithuania Post Delivery service. Tracking number will be provided. Tracking information : http://www.post.lt/en/help/parcel-search " RNxxxxxxxxxLT " Estimate delivery time is 10-40 working days.