2pcs 6P41S MATCHED PAIR(7868) HI-END OUTPUT VALVES, USSR TUBES | NOS

Description

LOT OF 2X 6P41S (6П41С) MATCHED PAIR (7868) NEW OLD STOCK!
WE HAVE A BIG STOCK OF MILITARY 6P41S we have the opportunity to choose a pair that is very close in characteristics.
All such sets of output tubes are double tested
1. On a tester for testing tubes L3-3
2. In the output stage of a specially prepared NOVIK amplifier with real tube operating modes. The difference in parameters is not more than 1%
All 6P41S tubes from one batch 10'90 made in the USSR at the Novosibirsk factory!
Weight not more than 36 g.
The location of the pins of
RSh24-1.
The main technical characteristics of 6P41S:
Nominal electrical data:
• Heating voltage, V ...... 6.3 ± 0.6
• Heating current, А ...... 1,1 ± 0,1
• Voltage at the anode, V ...... 190
• Voltage on the second grid, V ...... 190
• Resistance in the cathode circuit, Ohm ...... 300
• Current in the anode circuit, mA ... 66 ± 10
• Current in the circuit of the second grid, mA ...... no more than 32
• Steepness of the characteristic, mA / V ...... 8,4
• Internal resistance, kΩ ..... 12
• The current of the first grid is reverse, μA ...... not more than 1
Maximum permissible electrical quantities:
• The highest voltage at the anode, V ....... 400
• The highest voltage on the second grid, V ....... 350
• The maximum power dissipated at the anode, W ... 14
• The maximum power dissipated on the second grid, W ...... 3
• The highest current in the anode circuit, mA ... 100
• The highest voltage at the anode when the lamp is locked, V ....... 2500
• The highest voltage on the second grid when the lamp is locked, V ....... 550
• The highest voltage cathode heater, V ..... 100
Shipping
Items will be shipped from St. Petersburg, Russia via international registered airmail (with tracking number) within 1-2 business days after payment is received . It takes about 8-34 days. Your parcel will be marked as a “gift” for customs and we will declare any value on your demand. We combine multiple items to save on shipping! Please e-mail us and check price. Returns accepted! If you receive an item you did not order or if an item you ordered is received damaged or defective, we will refund you the price you paid for it or replace it with identical one. Item for returning must have the original tags and packing, otherwise it won't be accepted.
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