Description

4 pcs in lot NEW vintage Tubes Made in USSR REFLEKTOR or PHOTON Plant available/ Years of producing valves can be different The 6P3S output beam tetrode are miniature devices enclosed in glass bulb and are provided with a octal (8-pin) base, rigit leads and an indirectly heated oxide-coated cathode. Best Quality, the Sound is nice - authentic vintage tone. Long-life no less than 5000 hrs. Technical DATA: Type: 6P3S Filament voltage, Volt: 6.3 Anode voltage, Volt: 250 1st grid voltage, Volt: -14 2nd grid voltage, Volt: 250 Filament (heater) current, mA: 900±90 Anode current, mA: 72±18 2nd grid current, mA: no more than 9 1st grid reverse current, mkA: 3 Cathode current, mA: no less than 275 Output power, W: no less than 5.4 Mutual conductance, mA/V: 5.2 to 6.8 Internal resistance, kΩ: 25 Inter electrode capacitance, pF: - input: 11±2 - output: 8.2±1.5 - transfer: no more than 1 Operation time over, h: 4000 Limited operating values: Filament voltage, V: 5,7-7 Anode voltage, V: 375 2nd grid voltage, V: 300 Cathode - heater voltage, V: 100 Anode dissipation, W: 20 2nd grid dissipation, W: 2.75 Resistance in 1st grid circuit, kΩ: 500 CARBOLITH base. Noise effect is minimized. Great sound! This valves never been used - from the old stock. Dear customer, you can combine shipping buying more than one lot. If You need more than one lot, or another quantity - please contact. Also please check other available items. Thanks in advance!