6N8S
12,00 $
Soviet double triode tube 6N8S (6H8C rus.) manufacturer FOTON. Designed for low-frequency voltage amplification in preamp stages and phase inverters. Features octal base, separate cathodes, 6.3V/600mA heater, gain (µ) ~20.5. Equivalent to tubes: 6SN7, 1578, 6SN7GT, 6SN7GTA. NOS
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71 in stock
Russian double triode tube 6N8S (6H8C rus.) is designed for amplification of low-frequency voltage. The tube features a glass envelope and is equipped with an octal base (standard 8-pin octal type, similar to the 6SN7). It has an indirectly heated oxide cathode.
Equivalent tubes: 6SN7, 6SN7GT, 6SN7GTA, 6SN7GTB, 1578, ECC32, 6CC10, CV1988, VT-231, 5692, 6N8P (China). Double triode 6N8S is equal to two triodes 6S2S.
- Military acceptance stamp ” B☆П “
- Stamp of technical control department of the manufacturer ” ОТК “
Technical specifications:
- Filament voltage: 6.3 ± 0.6V
- Filament current: 600 ± 50mA
- Anode voltage nominal: 250V
- Anode voltage limit: 330V
- Grid voltage nominal: -8V
- Anode current: 9 ± 3.5mA
- The highest power dissipated on the anode of the triode: 2.75W
- The highest constant voltage between the cathode and the heater: 100V
- Maximum leakage current between cathode and heater: 20μA
- Slope: 2.6 ± 0.53mA/V
- Internal resistance: 7.7kOhm
- Gain: 20.5 ± 2.5
- The highest cathode current: 20mA
- The highest resistance in the circuit of the first grid: 500kOhm
Operation time over 2000 hours.
6N8S (FOTON) vs. 6SN7GT
| Parameter | 6N8S (FOTON) | 6SN7GT (Sylvania) |
|---|---|---|
| Max plate voltage | 330 V | 300 V |
| Max plate dissipation | 2.75 W | 3.5 W |
| Transconductance | 2.6 ± 0.53 mA/V | 2.6 mA/V |
| Amplification factor | 20.5 ± 2.5 | 20 |
| Plate resistance | 7,700 Ω | 7,700 Ω |
| Weight | 0,051 kg |
|---|---|
| Dimensions | 8,5 × 3,3 × 3,3 cm |
| Brand | FOTON |
| Packaging | Product from factory group packaging |
| Socket type | 8 – Pin RSH5-1, PL8-1P, PL8-2P, PL8-3P. |
| Condition | New product |

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