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Electron tube jan 5670w - electron,

Electron tube jan 5670w - electron,

$12.00
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Thermo scientific orion ross - scientific,

Thermo scientific orion ross - scientific,

$800.00
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Orion single junction - orion™,

Orion single junction - orion™,

$240.00
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E180cc 7062 philips nos - philips,

E180cc 7062 philips nos - philips,

$99.00
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One nos jan - one, triode

One nos jan - one, triode

$14.99
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345 cunningham engraved - cx-345,

345 cunningham engraved - cx-345,

$159.99
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Decware ufo zen - ufo, triode

Decware ufo zen - ufo, triode

$3000.00
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Zenith philco 6j5g vacuum tube - philco,

Zenith philco 6j5g vacuum tube - philco,

$49.99
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1320 tube socket nos - sk-1320,

1320 tube socket nos - sk-1320,

$790.00
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Near mint 110 testing - testing, rca

Near mint 110 testing - testing, rca

$500.00
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Eimac varian 826 - /,

Eimac varian 826 - /,

$99.00
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Matched pair raytheon 203a - matched,

Matched pair raytheon 203a - matched,

$550.00
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3cx10000h3 national - 3cx10000h3,

3cx10000h3 national - 3cx10000h3,

$1999.99
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500z electron tube 500 - 3-500z,

500z electron tube 500 - 3-500z,

$259.99
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Rca victor output - victor, vacuum

Rca victor output - victor, vacuum

$45.00
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Raytheon type triode - type,

Raytheon type triode - type,

$12.00
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Stock 4pcs 6n1p 6n1 - 4pcs,

Stock 4pcs 6n1p 6n1 - 4pcs,

$29.00
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35b tube with cooler - (2),

35b tube with cooler - (2),

$400.00
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Nos zenith type - nos, 76

Nos zenith type - nos, 76

$18.00
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Unused genuine original - unused,

Unused genuine original - unused,

$199.99
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Eimac 158 8877 - eimac, yu-158

Eimac 158 8877 - eimac, yu-158

$550.00
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Zenith type triode mesh - type,

Zenith type triode mesh - type,

$14.00
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Nos hytron 841 tube - nos,

Nos hytron 841 tube - nos,

$100.00
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Nos testing rca 211 - rca,

Nos testing rca 211 - rca,

$350.00
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Manufactured western - u.s.,

Manufactured western - u.s.,

$350.00
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Transmitting triode vacuum - triode,

Transmitting triode vacuum - triode,

$19.99
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Pedersen u4e8 rare black - u4e8,

Pedersen u4e8 rare black - u4e8,

$495.00
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Thermo scientific 8302bnurca - thermo,

Thermo scientific 8302bnurca - thermo,

$450.00
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Pcs new 6s4s 6с4с - 6s4s, /6С4С

Pcs new 6s4s 6с4с - 6s4s, /6С4С

$85.00
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Philips e182cc 7119 heerlen - sq,

Philips e182cc 7119 heerlen - sq,

$169.50
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Matched pair 811 g811 - g-811, Г-811

Matched pair 811 g811 - g-811, Г-811

$65.00
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Sonatron 201a triode - x,

Sonatron 201a triode - x,

$14.00
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Rca 245 engraved base - base, 45

Rca 245 engraved base - base, 45

$111.45
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Triode ruby vacuum - triode, tube

Triode ruby vacuum - triode, tube

$719.86
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Nos nib 100 testing - (4),

Nos nib 100 testing - (4),

$300.00
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Keeley electronics tube - electronics,

Keeley electronics tube - electronics,

$340.00
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Miniwatt 2a3 vacuum - vacuum, pair

Miniwatt 2a3 vacuum - vacuum, pair

$449.70
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Varian triode ion - varian,

Varian triode ion - varian,

$350.00
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E180cc 7062 philips - sq, nos

E180cc 7062 philips - sq, nos

$89.00
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Lightly used 45 - used,

Lightly used 45 - used,

$69.99
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Pair vintage heinz kaufman - vintage,

Pair vintage heinz kaufman - vintage,

$45.00
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35b tube without - gs-35b,

35b tube without - gs-35b,

$150.00
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Lot v70d united - 2,

Lot v70d united - 2,

$60.00
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811 beam watt - beam, triode

811 beam watt - beam, triode

$28.95
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Lot triode 6j5gt vacuum - of,

Lot triode 6j5gt vacuum - of,

$39.99
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Fnirsi lcr transistor - lcr-p1,

Fnirsi lcr transistor - lcr-p1,

$31.99
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Federal telephone 212 e - f-212,

Federal telephone 212 e - f-212,

$995.00
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Lot weltronic detroit - of, 2:

Lot weltronic detroit - of, 2:

$25.00
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Raytheon type triode - type, 40

Raytheon type triode - type, 40

$21.00
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Matching quad jan - jan, 1201

Matching quad jan - jan, 1201

$20.00
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New nos russian power - gs-34-1,

New nos russian power - gs-34-1,

$75.00
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Nos delco 7n7 - 1, tube

Nos delco 7n7 - 1, tube

$25.00
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6sl7gt dual triode - g.e.,

6sl7gt dual triode - g.e.,

$15.00
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Rca 203a radiotron - 203a,

Rca 203a radiotron - 203a,

$79.99
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Vintage rca radiotron 211 - rca,

Vintage rca radiotron 211 - rca,

$689.99
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Sylvania vacuum tubes - sylvania, 26

Sylvania vacuum tubes - sylvania, 26

$75.00
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500zg penta laboratories - 3-500zg,

500zg penta laboratories - 3-500zg,

$330.00
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Vacuum tube vintage sylvania - tube,

Vacuum tube vintage sylvania - tube,

$596.85
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Rca globe triode vacuum - 50,

Rca globe triode vacuum - 50,

$381.10
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Varian eimac electron - electron, tube

Varian eimac electron - electron, tube

$309.02
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Tungsol 6336 6336a - 6336, 6528

Tungsol 6336 6336a - 6336, 6528

$49.00
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Sylvania 10y power - sylvania,

Sylvania 10y power - sylvania,

$58.00
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Good used tube marconi - used, 45

Good used tube marconi - used, 45

$59.99
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Nos national union - nos, 7n7

Nos national union - nos, 7n7

$25.00
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Western electric 216a vacuum - 216a,

Western electric 216a vacuum - 216a,

$149.95
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Siemens rs1026 tb3 750 - siemens, 02

Siemens rs1026 tb3 750 - siemens, 02

$96.94
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Nos sylvania type 6c5gt triode - sylvania,

Nos sylvania type 6c5gt triode - sylvania,

$15.00
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Matched pair raytheon - matched, jan-crp

Matched pair raytheon - matched, jan-crp

$200.00
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Daystrom ecc82 12au7 tubes - daystrom,

Daystrom ecc82 12au7 tubes - daystrom,

$59.95
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Eimac 500z triode - eimac,

Eimac 500z triode - eimac,

$37.50
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Triode vacuum tube - no.,

Triode vacuum tube - no.,

$74.99
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Appears lightly used - **, g.e

Appears lightly used - **, g.e

$129.99
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Black plate matched pair nos - matched,

Black plate matched pair nos - matched,

$85.00
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Matched sylvania 5751 gold - (2),

Matched sylvania 5751 gold - (2),

$159.99
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Eimac 500z triode - eimac, 3-500z

Eimac 500z triode - eimac, 3-500z

$339.99
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Rca type battery - type,

Rca type battery - type,

$18.00
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Amplifier transformer cover - transformer,

Amplifier transformer cover - transformer,

$31.35
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Nos russian 1 power - russian,

Nos russian 1 power - russian,

$39.95
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Vintage 1971 amperex - amperex, 7062

Vintage 1971 amperex - amperex, 7062

$99.95
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Nos nib matched - nib, pair

Nos nib matched - nib, pair

$299.99
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гп svetlana beam - gp-5,

гп svetlana beam - gp-5,

$59.97
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500zg penta laboratories - penta,

500zg penta laboratories - penta,

$660.00
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Ad1 power tube - ad1,

Ad1 power tube - ad1,

$459.00
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Nos strong national - nos,

Nos strong national - nos,

$175.00
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6n3p 2c51 6385 ecc42 - 2x,

6n3p 2c51 6385 ecc42 - 2x,

$24.90
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Rca wurlitzer 12fq8 - 4,

Rca wurlitzer 12fq8 - 4,

$13.00
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Nos cbs hytron - cbs,

Nos cbs hytron - cbs,

$25.00
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Rca crc 852 transmitting - crc-852,

Rca crc 852 transmitting - crc-852,

$250.00
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6544 machlett shielded - ml-6544,

6544 machlett shielded - ml-6544,

$269.00
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Triode uhf soviet - 5, gs-13

Triode uhf soviet - 5, gs-13

$5.60
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Nos vacuum tube - vacuum,

Nos vacuum tube - vacuum,

$46.74
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Tb5 2500 606 electron - fu-606,

Tb5 2500 606 electron - fu-606,

$349.25
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Thermo scientific 9107apmd - scientific,

Thermo scientific 9107apmd - scientific,

$90.00
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📊93 listings · from $5.6 · avg $245.41

Browse 93 triode listings currently in our index. Prices range from $5.6 to $3000, with an average of $245.41. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about triode →

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Everything you need to know about triode

Whether you are looking for a brand-new or second-hand triode, eBay offers one of the largest selections available online. With 93 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at $5.6, while premium listings can reach $3000 — giving you a wide budget spread to work with. The average price of $245.41 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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