-12%
7J12S
Original price was: 90,00 $.79,00 $Current price is: 79,00 $.
Russian 7J12S tube pentode is equivalent of Western Electric 310A (WE310A) was designed for high-frequency voltage amplification. Excellent sound!
Place an order to find out the cost of delivery to your country
To receive an invoice - Online payment by Bank card or PayPal, provide email
14 in stock
Description
The 7J12S pentodes are enclosed in glass bulb and are provided with an octal base and an indirectly heated oxide-coated cathode. 7J12S was designed for high-frequency voltage amplification in long-distance wire service systems, you can used in some Hi-Fi applications. Perfectly sounding.
- Stamp of technical control department of the manufacturerΒ ”Β ΠΠ’ΠΒ “
Near equivalent: WE310A.Β Premium quality vacuum tube!
Technical specifications:
- Filament voltage: 7.35 Β± 0.5V
- Filament current:Β 425mA
- Anode voltage nominal (constant): 250V
- Anode voltage limit (constant): 250V
- Anode current: 5.5 Β± 1.5mA
- Grid voltage of the first nominal (constant): -3V
- Reverse grid current of the first: 0.5ΞΌA
- Grid voltage second nominal (constant): 135V
- Grid voltage second limit (constant): 180V
- Grid current second: 1.05 Β± 0.55mA
- Grid voltage of the third nominal (constant): 0V
- Limit voltage between cathode and heater: 150V
- Leakage current between cathode and heater: 20ΞΌA
- Anode insulation resistance: 20MOhm
- Grid insulation resistance of the first: 20MOhm
- Slope: 1.85 Β± 0.25mA/V
- Slope at 380 mA filament current: 1.45mA/V
- Maximum power dissipated at the anode: 1.9W
- The highest power dissipated on the second grid: 0.4W
- Output power (approx. 1): 0.4W
- Nonlinear distortion coefficient: no more than 14%
- Internal resistance 500kOhm
- Input capacitance: 5.8 Β± 1.2pF
- Output capacitance: 12.5 Β± 3.5pF
- Capacitance through: 0.03pF
- Characteristic steepness: not less than 1.3mA/V
- Reverse current of the grid of the first: no more than 1.5ΞΌA
The minimum operating time is not less than 6000 hours.
Additional information
| Weight | 0,084 kg |
|---|---|
| Dimensions | 12,5 × 4,0 × 4,0 cm |
| Brand | SVETLANA |
| Packaging | Product from factory group packaging |
| Socket type | 6 – Pin PLK 10J12S |
| Condition | New product |
Reviews (0)
About brand
"SVETLANA" Saint Petersburg city
MADE IN RUSSIA
You may also like…
GM-70 (copper)
A very rare Russian audiophile GM-70 triode output tube with a copper anode. Manufacturer: ULYANOVSK. Excellent sound quality, high power! Almost equivalent to an 845 tube. NOS.
GM-70 Datasheet.pdf
Recomended products
5C3S (black plate)
Kenotron 5C3S (BLACK PLATE) High-Quality Russian audiophile tube, direct-filament two-anode. Great sound! Designed for rectification of alternating voltage. Equivalent: 5U4G, 5U4GB, GZ31, U52, 5AS4(A), 5Z10, 5931
5C3S / 5U4G Datasheet.pdf
6S45P-E (original box)
High-Quality 6S45P-E tube high-frequency triode. Analog WE437. Used as a wideband power amplifier. NOS
6S45P-E Datasheet.pdf
5C3S (in paper)
Kenotron 5C3S High-Quality Russian tube, direct-filament two-anode. Rectifier 5V. Equivalent: 5U4G, 5U4GB, GZ31, U52, 5AS4(A), 5Z10, 5931
5C3S / 5U4G Datasheet.pdf
Reviews
There are no reviews yet.