10x 6N8S / 6SN7 / 6H8C FOTON double triode 1960's tubes NOS

Description

Made in USSR
6N8S (6Н8С)
double triode
100% New Item
Old stock. The tubes are new and never used
"FOTON" factory
Different dates from 1960's
Very careful packing
Lot of 10
General characteristics
Type
6N8S
Filament voltage, Volt
6.3
Anode voltage, Volt
250
Grid voltage, Volt
-8
Resistance in cathode circuit, Ohm
--
Type
6N8S
Filament (heater) current, mA
600
Anode current, mA
9
Reverse grid current, mkA
£
3
Dissipate cathode-heater current, mkA
£
50
Mutual conductance, mA/V
3±1
Gain coefficient
21.5
Inter electrode capacitance, pF:
input
3
output
1.2
transfer
4
Operation time, h
³
2000
Limited operating values
Type
6N8S
Filament voltage, V
5,7-6.9
Anode voltage, V
330
Cathode - heater voltage, V
100
Cathode current, mA
20
Anode dissipation, W
2.75
Resistance in grid circuit, MOhm
0.5
Operating environmental conditions
Type
6N8S
Acceleration of vibration loads, g
1.5
by frequencies, Hz
50
Ambient temperature, °С
-60 to +70
Relative humidity at up to 40°C, %
98
Shipping:
This item will be shipped via
Express Mail Service (EMS)
to the following countries:
Canada,
Italy,
Spain,
Portugal,
China,
Australia,
New Zealand,
Taiwan.
U
sually delivery time is 7 - 12 business days.
To other European countries the order will be sent by regular economy shipping with a track number.
I will combine the shipping cost and send you an invoice with a total (
less expensive)
shipping cost.