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Home / / Triode refurbished & used for sale | For Sale USA
1950s sylvania 2a3 power - 2a3,

1950s sylvania 2a3 power - 2a3,

$135.95
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Watt hybrid directly heated - hybrid,

Watt hybrid directly heated - hybrid,

$475.00
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Vintage heinz kaufman - 1,

Vintage heinz kaufman - 1,

$39.95
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Huge philips taw 12 - taw, 12-35g

Huge philips taw 12 - taw, 12-35g

$860.67
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Siemens rs1026 tb3 750 - 1x, tb3/750

Siemens rs1026 tb3 750 - 1x, tb3/750

$97.92
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Fnirsi lcr transistor - fnirsi,

Fnirsi lcr transistor - fnirsi,

$31.99
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Nos pair rca jan 5r4gy - pair, tubes

Nos pair rca jan 5r4gy - pair, tubes

$220.00
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Raytheon jan 6832 submini dual - raytheon,

Raytheon jan 6832 submini dual - raytheon,

$6.95
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Tungsol 6080 6080wa - tungsol, ecc230

Tungsol 6080 6080wa - tungsol, ecc230

$49.00
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Nos nib rca 5u4gb black - nos/nib,

Nos nib rca 5u4gb black - nos/nib,

$99.99
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Nos philips 6201 - x,

Nos philips 6201 - x,

$475.00
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Hytron nos vintage radio - nos,

Hytron nos vintage radio - nos,

$9.75
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Rca 6j5 vacuum - 6j5-g, rare

Rca 6j5 vacuum - 6j5-g, rare

$20.00
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Thermo scientific orion ross - thermo,

Thermo scientific orion ross - thermo,

$800.00
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3cx10000h3 national - 3cx10000h3,

3cx10000h3 national - 3cx10000h3,

$2550.00
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Amperex usa 5868 - amperex, ax9902

Amperex usa 5868 - amperex, ax9902

$249.95
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Korg nutube 6p1 low - 6p1, low-power

Korg nutube 6p1 low - 6p1, low-power

$50.00
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Croydon type 483 - croydon,

Croydon type 483 - croydon,

$28.00
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Nos mullard ec92 - 1,

Nos mullard ec92 - 1,

$12.99
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Matched pair jan - jan, /

Matched pair jan - jan, /

$16.95
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New original boxes - original,

New original boxes - original,

$20.00
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35b гс 35б tube - tube, power

35b гс 35б tube - tube, power

$155.00
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811a penta labs - labs, high

811a penta labs - labs, high

$175.00
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Lot pcs 6n23p - lot, 6n23p-ev

Lot pcs 6n23p - lot, 6n23p-ev

$248.00
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Keeley tube drive 12ax7 twin - drive,

Keeley tube drive 12ax7 twin - drive,

$399.99
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Triode wire labs - high, power

Triode wire labs - high, power

$397.00
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500z electron tube 500 - 3-500z,

500z electron tube 500 - 3-500z,

$264.99
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Used amperex 203a - ge,

Used amperex 203a - ge,

$114.99
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Orion single junction - single,

Orion single junction - single,

$230.00
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833a electron tube - 833a, fu-33

833a electron tube - 833a, fu-33

$289.00
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Nos philips mini - philips, watt

Nos philips mini - philips, watt

$495.00
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United transformer corp - united, type

United transformer corp - united, type

$64.99
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Tungsol 6336 6336a - tungsol,

Tungsol 6336 6336a - tungsol,

$49.00
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Psvane summit series 6sn7 - psvane,

Psvane summit series 6sn7 - psvane,

$254.95
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Nos nib matched pair - nos,

Nos nib matched pair - nos,

$299.99
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Electron tube jan - (1),

Electron tube jan - (1),

$12.00
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958 acorn triode vacuum tube - vacuum,

958 acorn triode vacuum tube - vacuum,

$6.00
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Mullard philips amperex - mullard, amperex?

Mullard philips amperex - mullard, amperex?

$39.95
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Rca jan 811a 811 - jan,

Rca jan 811a 811 - jan,

$159.00
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Compactron 6c10 three - ge,

Compactron 6c10 three - ge,

$99.00
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Vintage sleeve nos rca - 5,

Vintage sleeve nos rca - 5,

$3.99
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Nos pair tung - 6b4g, triode

Nos pair tung - 6b4g, triode

$120.00
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Nos nib pair - nib, 1626

Nos nib pair - nib, 1626

$34.99
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Genuine audiotron t - genuine,

Genuine audiotron t - genuine,

$299.99
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Nos pair sylvania - nos, triode

Nos pair sylvania - nos, triode

$120.00
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Heintz kaufman k - heintz, gammatron

Heintz kaufman k - heintz, gammatron

$59.88
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Nos jan sylvania 6b4g triode - sylvania,

Nos jan sylvania 6b4g triode - sylvania,

$240.00
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Stock 6n1p 6n1 6h1n - stock!, 4x

Stock 6n1p 6n1 6h1n - stock!, 4x

$32.50
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Nos sylvania 6as7g - sylvania, dual

Nos sylvania 6as7g - sylvania, dual

$84.99
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Antique 1920s rca radiotron - rca,

Antique 1920s rca radiotron - rca,

$55.00
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6eu7 nos nib sylvania - sylvania, twin

6eu7 nos nib sylvania - sylvania, twin

$26.99
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Nos pair raytheon - pair,

Nos pair raytheon - pair,

$120.00
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Custom crafted stereo tube - custom-crafted,

Custom crafted stereo tube - custom-crafted,

$575.00
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Amperex 500z high power - amperex, 3-500z

Amperex 500z high power - amperex, 3-500z

$475.00
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Matched pair rca - pair, 10

Matched pair rca - pair, 10

$99.00
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Used universal electronics - used,

Used universal electronics - used,

$39.99
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Rare nos western electric 416b - rare,

Rare nos western electric 416b - rare,

$26.59
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Lot nos 7370 ge usa - lot,

Lot nos 7370 ge usa - lot,

$16.99
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Nec 50c a10 vacuum - nec, tube

Nec 50c a10 vacuum - nec, tube

$274.00
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Rca radiotron 201a - radiotron, ux-201a

Rca radiotron 201a - radiotron, ux-201a

$55.00
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5868 tb4 1250 - 5868/tb4/1250, triode

5868 tb4 1250 - 5868/tb4/1250, triode

$529.90
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Rca jan crc - 808, vintage

Rca jan crc - 808, vintage

$35.00
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Vintage tung sol 5691 red - vintage, base

Vintage tung sol 5691 red - vintage, base

$65.99
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6aw8a vacuum tube sylvania - vacuum,

6aw8a vacuum tube sylvania - vacuum,

$25.69
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Testing rca 250 globe - (1),

Testing rca 250 globe - (1),

$50.00
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Pair sonotone usn coz - sonotone, usn-coz-5718a

Pair sonotone usn coz - sonotone, usn-coz-5718a

$24.00
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Vintage planar triodes - ge,

Vintage planar triodes - ge,

$59.99
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Rare raytheon 1930s - raytheon,

Rare raytheon 1930s - raytheon,

$225.00
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Rare united electronics 311 - rare,

Rare united electronics 311 - rare,

$59.75
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Pair vintage eimac - vintage, 304tl

Pair vintage eimac - vintage, 304tl

$85.00
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Lot sylvania made 6fq7 - of, (20)

Lot sylvania made 6fq7 - of, (20)

$51.95
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Nos rca 6c5 vacuum tube - rca, 6c5-g

Nos rca 6c5 vacuum tube - rca, 6c5-g

$24.00
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Rca 6181 uhf - triode, kcsm

Rca 6181 uhf - triode, kcsm

$251.75
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Vintage glass cwl 38160 - glass, cwl-38160

Vintage glass cwl 38160 - glass, cwl-38160

$159.99
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Pcs 6n23p voskhod - 4, pcs.

Pcs 6n23p voskhod - 4, pcs.

$15.99
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Lot vintage general - of,

Lot vintage general - of,

$85.00
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Vintage rca 5691 red base - rca,

Vintage rca 5691 red base - rca,

$65.99
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Cunningham 330 triode - cunningham,

Cunningham 330 triode - cunningham,

$35.00
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New labs audiophile - new, 6v6

New labs audiophile - new, 6v6

$1250.00
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6u10 compactron vacuum tube - ge,

6u10 compactron vacuum tube - ge,

$9.00
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Philips tb3 750 rs 1026 - 1x, rs-1026

Philips tb3 750 rs 1026 - 1x, rs-1026

$95.67
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Lot type 6a3 - of,

Lot type 6a3 - of,

$75.00
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6n23p reflector big - 6n23p, silver

6n23p reflector big - 6n23p, silver

$25.00
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Robert dollar jan ckh - co., jan-ckh-3c24

Robert dollar jan ckh - co., jan-ckh-3c24

$25.00
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6aq8 ecc85 nos nib motorola - ecc85, nos/nib

6aq8 ecc85 nos nib motorola - ecc85, nos/nib

$27.99
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6n23p reflector 1973 - 1973, silver

6n23p reflector 1973 - 1973, silver

$33.00
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Appears lightly used g e - "lightly, g.e

Appears lightly used g e - "lightly, g.e

$129.99
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гп svetlana beam - svetlana,

гп svetlana beam - svetlana,

$59.97
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Nos 6680 ruggedized 12au7 - nos,

Nos 6680 ruggedized 12au7 - nos,

$21.95
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833a transmitting triode - ge,

833a transmitting triode - ge,

$80.00
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Matched pair westinghouse 45 - pair,

Matched pair westinghouse 45 - pair,

$133.29
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Philips miniwatt e80cc - e80cc, /6085

Philips miniwatt e80cc - e80cc, /6085

$180.00
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Mullard 6eu7 vacuum - 3,

Mullard 6eu7 vacuum - 3,

$129.99
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Western electric usa - usa, 241b

Western electric usa - usa, 241b

$499.99
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Rare 1578 6n8s 6sn7 - rare,

Rare 1578 6n8s 6sn7 - rare,

$154.00
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Pcs 6s2s 6с2с - pcs, /6С2С

Pcs 6s2s 6с2с - pcs, /6С2С

$149.00
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📊96 listings · from $3.99 · avg $184.3

Browse 96 triode listings currently in our index. Prices range from $3.99 to $2550, with an average of $184.3. 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 96 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 $3.99, while premium listings can reach $2550 — giving you a wide budget spread to work with. The average price of $184.3 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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