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Item Tag: G-807

G-807 Г-807 a-g 6P7S 1625 5933 vacuum beam tetrode tube soviet lamp NOS NEW 2pcs

G-807 Г-807 a-g 6P7S 1625 5933 vacuum beam tetrode tube soviet lamp NOS 2pcs The beam tetrode G-807 is designed to amplify and generate high-frequency oscillations. It is used in transmitting devices, as well as in cascades of horizontal scanning of television receivers. Power can be used in the end cascades of low-frequency power. Oxide indirect oxide cathode. Works in any position. Produced in a glass design. Service life is not less than 500 hours. Special plinth. Pins 5. Interelectrode capacitances, pF Input 12. Output 7. Pass 0.2. Rated electrical data Glow voltage, V 6.3 Voltage at the anode, V 600 Voltage on the second grid, V 300 The bias voltage on the first grid, V -20 Current of heating, mA 900 + -90 The current in the anode circuit at the bias voltage on the first grid is -20 V, mA 100 Current in the anode circuit at the bias voltage on the first grid -29 V, mA 36 The current in the circuit of the second grid at the bias voltage on the first grid is -20 V, mA 20 Current in the circuit of the second grid at the bias voltage on the first grid -29 V, mA 4 Steepness of the characteristic, mA / V 10 The steepness of the characteristic at the anode voltage and the second 250 V grid and the bias voltage on the first grid is -14 V, mA / V 5.9 Output power in the mode of generation at the frequency of 120 MHz, W 40 The output power at a frequency of 15 MHz at anode current is not more than 100 mA, the current of the first grid is about 6 mA, the voltage on the second grid is 200 V and the resistance in the circuit of the first grid is 10 kΩ, W 33 Insulation resistance between cathode and heater at voltage between cathode and heater 200 V, MΩ 2 Maximum permissible electrical quantities Maximum heating voltage, V 7.0 The least heated voltage, V 5.7 The highest voltage at the anode, V 600 The greatest stress on the second grid, B 300 The greatest voltage at the anode in the pulse, V 6000 The greatest negative voltage on the first grid in the pulse, B 400 The greatest voltage between the cathode and the heater, B 135 The largest power dissipated at the anode, W 25 The greatest power dissipated on the second grid, W 3.5 The greatest resistance in the circuit of the first grid, MOhm The beam tetrode G-807 is designed to amplify and generate high-frequency oscillations. It is used in transmitting devices, as well as in cascades of horizontal scanning of television receivers. Power can be used in the end cascades of low-frequency power. Oxide indirect oxide cathode. Works in any position. Produced in a glass design. Service life is not less than 500 hours. Special plinth. Pins 5. Interelectrode capacitances, pF Input 12. Output 7. Pass 0.2. Rated electrical data Glow voltage, V 6.3 Voltage at the anode, V 600 Voltage on the second grid, V 300 The bias voltage on the first grid, V -20 Current of heating, mA 900 + -90 The current in the anode circuit at the bias voltage on the first grid is -20 V, mA 100 Current in the anode circuit at the bias voltage on the first grid -29 V, mA 36 The current in the circuit of the second grid at the bias voltage on the first grid is -20 V, mA 20 Current in the circuit of the second grid at the bias voltage on the first grid -29 V, mA 4 Steepness of the characteristic, mA / V 10 The steepness of the characteristic at the anode voltage and the second 250 V grid and the bias voltage on the first grid is -14 V, mA / V 5.9 Output power in the mode of generation at the frequency of 120 MHz, W 40 The output power at a frequency of 15 MHz at anode current is not more than 100 mA, the current of the first grid is about 6 mA, the voltage on the second grid is 200 V and the resistance in the circuit of the first grid is 10 kΩ, W 33 Insulation resistance between cathode and heater at voltage between cathode and heater 200 V, MΩ 2 Maximum permissible electrical quantities Maximum heating voltage, V 7.0 The least heated voltage, V 5.7 The highest voltage at the anode, V 600 The greatest stress on the second grid, B 300 The greatest voltage at the anode in the pulse, V 6000 The greatest negative voltage on the first grid in the pulse, B 400 The greatest voltage between the cathode and the heater, B 135 The largest power dissipated at the anode, W 25 The greatest power dissipated on the second grid, W 3.5 The greatest resistance in the circuit of the first grid, MOhm Lot for 2 pcs Payment1. We accept PayPal only.2. All major credit cards are accepted through secure payment processor PayPal.3. Payment must be received within 7 business days of auction closing.4. If you have bought multiple items from me, you can send me one payment for all the items instead of paying for them individually. When you click the Pay Now button, eBay will automatically determine if there are other items you have won or purchased from me and will combine them for your review. NOTE:Import duties, taxes and chargers are not included in the item price or shipping charges. These charges are the buyer’s responsibility.Please check with your country’s customs office to determine what these additional costs will be prior to bidding buying. Shipping1. We ship Worldwide.2. Items will be usually shipped within 2 business days on payment received.3. We use UkrPoshta (Ukranian Post) for all our International deliveries. Once your package passes through customs it will be delivered by your local post office.4. The usual time for a parcel to arrive at its address is 24 business days, but usually it arrives much earlier. Sometimes it can take longer up to 8 weeks. Delivery time lasts approx.1) United States & Canada up to 20 business days.2) Europe: up to 21-24 (except Germany and Italy, delivery time can take up to 1 month)3) Other countries: not more than 30 business days.Asia & Australia: the delivery can take up to 2 months, but usually it arrives much earlier. We appreciate your patience if you haven’t received items in 30 days may need more patience by reason of the local delivery system and/or customs. If you are concerned in any way, please feel free to contact us via ebay message instead of leaving negative/neutral feedback or opening a dispute. We will make every effort to fix any problem. ReturnsWe guarantee you complete satisfaction with all our high quality products.If you receive an item you did not order, or if an item you ordered is received damaged or defective, we will refund you the price you paid for it or replace it with identical one.The item should come to the above address within 30 days after you received it. After 30 days we will no longer be responsible and the item won’t be taken back.Item for returning must have the original tags and packing, otherwise it won’t be accepted.

6P7S/6BG6G/G-807) MATCHED PAIR TESTED WITH ROETEST V10 FOTON TUBES 1964!!!

6P7S/6BG6G/G-807) MATCHED PAIR TESTED WITH ROETEST V10 FOTON TUBES 1964!!! EXCELLENT for Audio Applications! NOS in Box!!!From 1964 The bind is for 2pcs FOTON PLANT The tubes passed all quality tests (vacuum, leaks, shorts etc.), measured with Roetest, the buyer will get all data, actual datasheet – test protocol, for each tube.In photos you can see example of data for each tube. Tested with Roetest V10, “the Rolls Royce of tube testers” [emissionlab quote], a wonderful german professional system for testing tubes, it shows everything about a tube. Those who use tubes are more familiar with terms like bias, gain (µ), plate current, slope/transconductance, and maybe someone is wondering what the term „D of plate” in the measured data means. Its value in itself is not so important but it is useful to calculate the other parameters taking into account Barkhausen’s tubular formula S x D x Ri = 1 (slope * penetration * internal resistance=1), where D is –dUg/dUa at Ia=const. Barkhausen vas a german physicist, he was “the guru” of tubes, his theory and formulas guided the entire period of electronic tubes. The output tetrode 6P7S is designed for power amplification in the output stages of horizontal scanning of television receivers, in transmitting devices and power amplifiers of low frequencies. Rated electrical data of 6P7S lamp Voltage of glow, V 6,3 Anode voltage, V 250 Voltage on the second grid, V 250 The bias voltage on the first grid, V – 14 Current of heating, mA 0,9 Current in the anode circuit, mA 72 Current in the circuit of the second grid, mA no more than 8 Steepness of the characteristic, mA / V 5.9 Internal resistance, kΩ 32.5 Gain in triode switching 8.5 Output power, W not less than 5,5 Please allow for the following shipping times: EU countries: 5-8 business days, on rare occasions a few days more USA: 10-15 business days, on rare occasions more South East Asia (Japan, Singapore, S. Korea, Hong Kong, Taiwan etc) 10 business days, on rare occasions more India, China, Russia, Kazakhstan, Pakistan, Indonesia, Malaysia, Thailand, Australia, South Africa etc: at least 15 business days, but frequently around 25 business days Please note that shipping cost is calculated at average. If you have any objections please contact me for a specific quotation.

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