8pcs 6S2P (EC98, 6J4) Russian Fonon Brand, HF Triode Tubes, Valves, NOS

Description

8pcs 6S2P  (EC98, 6J4) Russian Fonon Brand, HF Triode Tubes, Valves, NOS
8 pcs (tubes) in one lot
NOS (New Old Stock) -
You buy what you see at the photo
Same Year (1963-64) - Fonon Brand
DESCRIPTION:
6S2P -
Triode 6S2P for creation and amplification in the VHF range in circuits with a grounded grid.
Can for setting the bass voltage gain.
Decoration - in a glass shell, miniature.
Cathode - indirectly heated oxide.
Works in any position.
Service life - not less than 500 hours.
Weight 15 g.
Technical characteristics and electrical parameters:
Filament voltage 6.3V
Anode voltage 150V
Filament current 400 ± 30mA
Anode current 14.5 ± 5.5mA
Grid reverse current <0.4μA
Slope 12 ± 3mA / V
Gain 48 ± 12
Resistance in the cathode circuit for automatic bias 100 ohm
Grid voltage (Ia <5μA) -20V
Cutoff voltage of the electronic grid current (Ic = 0.1μA) -0.7V
Equivalent resistance of intra-lamp noise 0.4Kohm
Input capacitance 5.5 ± 1.5pF
Output capacitance 4.15 ± 0.85pF
Throughput capacity <0.19pF Capacitance cathode-heater 4.8pF Service life> 3000h
Limit parameters of the 6C 2P lamp:
Filament voltage 5.7..7.0V
Anode voltage 165V
Maximum power at the anode 2.5W
The highest voltage between the cathode and the heater 100V
Maximum resistance in the grid circuit 250K
DELIVERY:
Dear customers, we ship via International Airmail.
Perfect and safely shipping. Tracking number is always provided.
We use standard mail service for shipping all tubes/valves.
We ship from Ukraine.
Important note - all international mail services are currently working, so purchased items will 100% be shipped to your location!
We combine lots to save you money on delivery.
Parcels are divided into categories depending on the weight ( product + package weight).
Delivery prices:
0-250 grams - 7.9-10 $
Package weight (50 grams)
250-500 grams - 14 - 16 $
Package weight (100 grams)
500-1000 grams - 24-28 $
Package weight (200 grams)
Every next kilogram + $ 10 and + 200 grams of weight.
You will be able to choose the most favorable ratio of price, product and cost.
The price of delivery has increased significantly, but we try to almost not change the cost of delivery.
If you accidentally overpaid for delivery, we will refund your money.
If you have any questions, we are always ready to communicate and help you.
However, some delays in both Standard and Express services may happen.
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