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6P3S = 6L6 = 6L6GT = 6L6GC = 5881 tube. Output beam tetrode

Manufacturers: Reflector, Saratov, Russia
In Stock: 57
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This high quality beam tetrode tubes used in output stages of low frequency amplifiers.

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.

All tubes new, military equipment and have "OTK" mark. Near equivalent: 6L6, 6L6GT, 6L6GC and 5881.
The tube is manufactured by the Reflektor, Saratov, Russia.

General characteristics:
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
Cathode current, mA: -
Anode dissipation, W: 20
2nd grid dissipation, W: 2.75
Resistance in 1st grid circuit, kΩ: 500

Operating environmental conditions :
Acceleration of vibration loads, g: 1.5
by frequencies, Hz: 50
Acceleration of multiple impacts, g: -
Acceleration of single impact, g: -
Continuos acceleration, g: -
Ambient temperature, °С: -60 to +70
Relative humidity at up to 40°C, %: 98

All datasheets here.



Manufacturers: Reflector plant, Saratov, Russia
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