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Unique vintage tech 257 total items

Showing 109-120 of 257
2x 6N8S Ribbed Anode / FOTON 50s / 1578 / 6SN7 Double Triode NOS / Matched PairOnly 1 left

2x 6N8S Ribbed Anode / FOTON 50s / 1578 / 6SN7 Double Triode NOS / Matched Pair

Very rare 1950s ribbed anode construction, tested on L3-3 with parameters documented. Premium matched pair from FOTON factory.

$80.00
2x 6N9S ( 6Н9С ) = 6SL7 = 1579 MELZ Metal Base Matched Pair Tested Rare TriodesOnly 2 left

2x 6N9S ( 6Н9С ) = 6SL7 = 1579 MELZ Metal Base Matched Pair Tested Rare Triodes

MELZ rare metal base construction, matched pair tested on L3-3, equiv. to 6SL7/1579

$74.00
2x 6P15P-EV Tested Matched Pair NOS Output Pentode Reflector ~EL83 SV-83

2x 6P15P-EV Tested Matched Pair NOS Output Pentode Reflector ~EL83 SV-83

Reflector matched pair tested on L3-3, 5000hr durability, similar to EL83/SV-83

$11.90
2x 6P15P-EV Tested Matched Pair Same Date Original Box Reflector ~EL83 SV-83Only 1 left

2x 6P15P-EV Tested Matched Pair Same Date Original Box Reflector ~EL83 SV-83

Reflector matched pair in original boxes, same date, 5000hr durability, tested on L3-3, similar to EL83/SV-83

$17.00
2x 6P30B 6П30Б Miniature Output Pentode New / Same Date / NOS / OTK / 2pcs

2x 6P30B 6П30Б Miniature Output Pentode New / Same Date / NOS / OTK / 2pcs

Matched date miniature pentodes, NOS with OTK quality stamp, audio output tubes

$4.25
2x 6P3S / 6L6 / EL39 / 6CN5 / 5881 NOS / Matched Pair / Reflector / Same DateOnly 3 left

2x 6P3S / 6L6 / EL39 / 6CN5 / 5881 NOS / Matched Pair / Reflector / Same Date

Reflector factory, matched pair with test data, equivalent to 6L6/5881/EL39

$20.40
2x 6P3S-E 6П3С-Е, 5881, 6L6GC Tetrode NOS Matched Pair / Same Date / ReflectorOnly 2 left

2x 6P3S-E 6П3С-Е, 5881, 6L6GC Tetrode NOS Matched Pair / Same Date / Reflector

Enhanced version, Reflector factory, matched on L3-3 tester, equivalent to 6L6GC/5881

$28.00
2x 6P6S Rare 50's output tetrodes / Matched pair / Butterfly Getter / SvetlanaOnly 1 left

2x 6P6S Rare 50's output tetrodes / Matched pair / Butterfly Getter / Svetlana

Svetlana 1950s production with butterfly getter, matched pair tested on L3-3

$15.00
2x 6S4S / 6B4G / 6C4C Triodes Black Anode Matched Pair Original Box 1963 NIB NOSOnly 3 left

2x 6S4S / 6B4G / 6C4C Triodes Black Anode Matched Pair Original Box 1963 NIB NOS

Matched pair of Svetlana output triodes from 1963 with black anodes. Tested on L3-3, 2.8W output power, 500hr service life.

$114.00
2x 6S53N-V ~EC1010 Nuvistor Triode Tubes NOS 2pcs in one lot

2x 6S53N-V ~EC1010 Nuvistor Triode Tubes NOS 2pcs in one lot

Military-grade metal-ceramic construction for UHF/VHF amplification and oscillation circuits. High reliability and vibration resistance.

$7.00
2x 6S5S 6С5С 6C5 / 6C5GT / 6C5P Matched Pair Triodes Reflector TestedOnly 3 left

2x 6S5S 6С5С 6C5 / 6C5GT / 6C5P Matched Pair Triodes Reflector Tested

Reflector matched pair tested on L3-3, equivalent to 6C5/6C5GT/6C5P audio triodes

$38.25
2x 6S7B-V / 5744 USSR 6С7Б-В Hi-Mu Triode Tubes / Matched Pair / New / 2pcs

2x 6S7B-V / 5744 USSR 6С7Б-В Hi-Mu Triode Tubes / Matched Pair / New / 2pcs

Military-grade high-mu triodes, fully tested and matched for balanced performance. Excellent for low-frequency voltage amplification in audio circuits.

$8.00