2x NOS 4P1L 4П1Л / 4L1S / 4LS1 / RL2 / 4P6 Matched Pair Svetlana Pentode Tested
Svetlana matched pair tested on L3-3, 50s-80s production, equiv. to 4L1S/4LS1/RL2/4P6
$15.99
| Brand: | Svetlana |
| Model/SKU: | 4P1L |
| Type: | Pentode |
| Condition: | New (Open Box) |
| Availability: | In Stock (10 available) |
Product Details
NOS Soviet 4P1L pentodes.
Matched pair (2 tubes) in each lot.
Some pairs may have same date of production (50s, 60s, 70s and 80s).
Tested and matched using L3-3 tester.
Produced at Svetlana factory.
We ship via International Airmail from Kyiv.
Tracking number is provided.
4P1L – Pentode radio tube designed for frequency amplification and generation.
Technical characteristics of 4п1л
Voltage (series connection) – 3.9.4.7V
Anode voltage – 250V
Second grid voltage – 250V
Maximum power on the anode – 7.5W
Maximum power on the second grid – 1.5W
Resistance in the first grid circuit – 500kΩ
Resistance in the third grid circuit – 100kΩ
Cathode current – 50mA
Operating frequency – 100MHz