4x SOVIET SVETLANA 6P45S EL509 / 6KG6 tubes LOT of 4ps.

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LOT OF 4 SOVIET SVETLANA 6P45S High Perfomance Beam Power Tetrode Analog EL509/6KG6. Description I offer to you original tested 6P45S vacuum tube LOT of 4ps. 6P45S/ EL509/6KG6 is a beam power tetrode intended for use in class A, AB or B audio amplifiers and for class B or C RF amplification. Close manufacturing specification tolerances and improved high voltage processing provides improved reliability and superior performance. The Svetlana EL509/6KG6 features: Increased peak cathode emission from new cathode materials; Stable operation from extended processing and aging; Gold-plated grid; Precise grid/screen alignment; Extraheavy glass envelope for ruggedness; Improved vacuum processing; Comprehensive testing before and after aging. The Svetlana EL509/6KG6 is manufactured in Russia at the Svetlana factory and is designed to be a direct replacement for any 6KG6 or EL509. The strict manufacturing and quality controls at the Svetlana plant assure functionality and long life. Electrical Heater: min nom max Voltage (AC or DC) 5.7 6.3 6.9 V Current @6.3 volts 2.5 A Transconductance (nominal) 18,000 m S Plate resistance (nominal) 8000 ohms Interelectrode capacitances (typical): Grid to plate 2.5 pF Grid to cathode 25 pF Mechanical Cooling Radiation and convection Base Nine pin magnoval , glass button Basing diagram JEDEC 9RJ Socket Svetlana SK509 or equivalent Anode connector 1/4" plate clip, standard sweep tube type Operation position Axis vertical, base down or horizontal Nominal dimensions: Diameter 45.6mm (1.75 in) Base to top of envelope 96.6 mm (3.81 in) Overall height (not including plate cap) 105.3 mm (4.145 in) Overall height (including plate cap) 117.9 mm (4.641 in) Net weight 110 gm Maximum Ratings DC plate voltage 900 V DC plate voltage, pulsed 8000 V DC cathode current 500 mA DC screen grid voltage 300 V Screen dissipation 7 W Plate dissipation 35 W Typical Operation, Class A1, Audio Amplifier (single tube) Plate voltage 500 V Screen voltage 280 V Grid no.1 voltage -82 V Peak grid drive 50 Vp -p Plate current, no signal 70 mA Plate current, max signal 100 mA Effective load resistance 1650 ohms Distortion at 1 watt into 8 ohms 0.9 % Power output at 5% distortion 14 W If You have any questions of my item, please contact to me. Good Luck! Shipping & Payment Terms ATTENTION! You must read this before bidding ! If you don't agree with or don't like these terms, please don't bid . Payment must be sent within 7 business days after end of auction & receiving notice. I ask to inform me about exact date of Your payment. If payment is not received in 14 business days this item will be relisted , I shall file a non-paying bidder report and leave negative feedback ! Winner prepays fixed $20.50 for the fast Registered AIR-mail UKRPOSTA (worldwide) Delivering worldwide about 14-18 days All countries are friendly. I send by air all items within 1-2 business days after receiving of payment and inform buyer about date of shipping. All items will be carefully packed in strong box. PAYMENT INSTRUCTION. I accept the following payment methods via in the USA: 1) Pay Pal If You want fast PAYMENT FOR YOUR ITEM, PLEASE USE THE SELLER-ONLINE CHECKOUT BY CLICKING ON THE CHECKOUT banner or : You can pay me securely through PayPal website: IF YOU DON’T USE THIS CHECK OUT SYS... read more

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