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Triode

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

1950s sylvania 2a3 - 1950s,

$135.95
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Watt hybrid directly heated - directly,

Watt hybrid directly heated - directly,

$475.00
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Vintage heinz kaufman - heinz,

Vintage heinz kaufman - heinz,

$39.95
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Huge philips taw 12 - huge!!,

Huge philips taw 12 - huge!!,

$860.67
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Siemens rs1026 tb3 750 - 1x,

Siemens rs1026 tb3 750 - 1x,

$97.92
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Fnirsi lcr transistor - lcr-p1,

Fnirsi lcr transistor - lcr-p1,

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

Nos pair rca jan 5r4gy - jan, tubes

$220.00
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Raytheon jan 6832 submini - raytheon,

Raytheon jan 6832 submini - raytheon,

$6.95
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Tungsol 6080 6080wa ecc230 - tungsol,

Tungsol 6080 6080wa ecc230 - tungsol,

$49.00
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Nos nib rca - nos/nib, black

Nos nib rca - nos/nib, black

$99.99
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Nos philips 6201 e81cc - philips,

Nos philips 6201 e81cc - philips,

$475.00
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Hytron nos vintage - hytron, radio

Hytron nos vintage - hytron, radio

$9.75
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Rca 6j5 vacuum tube - 1,

Rca 6j5 vacuum tube - 1,

$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 ax9902 - 5868, rf

Amperex usa 5868 ax9902 - 5868, rf

$249.95
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Korg nutube 6p1 - korg,

Korg nutube 6p1 - korg,

$50.00
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Croydon type 483 power triode - croydon,

Croydon type 483 power triode - croydon,

$28.00
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Nos mullard ec92 - mullard,

Nos mullard ec92 - mullard,

$12.99
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Matched pair jan - ge, 6211

Matched pair jan - ge, 6211

$16.95
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New original boxes one - new, in

New original boxes one - new, in

$20.00
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35b гс 35б tube power - gs-35b,

35b гс 35б tube power - gs-35b,

$155.00
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811a penta labs high - 811a,

811a penta labs high - 811a,

$175.00
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Lot pcs 6n23p ev - 10,

Lot pcs 6n23p ev - 10,

$248.00
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Keeley tube drive 12ax7 twin - tube,

Keeley tube drive 12ax7 twin - tube,

$399.99
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Triode wire labs high power - labs,

Triode wire labs high power - labs,

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

500z electron tube 500 - electron, 3-500

$264.99
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Used amperex 203a - used,

Used amperex 203a - used,

$114.99
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Orion single junction - orion™,

Orion single junction - orion™,

$230.00
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833a electron tube 33 - 833a,

833a electron tube 33 - 833a,

$289.00
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Nos philips mini - nos,

Nos philips mini - nos,

$495.00
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United transformer corp - united,

United transformer corp - united,

$64.99
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Tungsol 6336 6336a 6336b - 6336b, 6528

Tungsol 6336 6336a 6336b - 6336b, 6528

$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 type - nos,

Nos nib matched pair type - nos,

$299.99
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Electron tube jan - tube,

Electron tube jan - tube,

$12.00
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958 acorn triode vacuum tube - triode,

958 acorn triode vacuum tube - triode,

$6.00
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Mullard philips amperex ecc83 - mullard, amperex?

Mullard philips amperex ecc83 - mullard, amperex?

$39.95
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Rca jan 811a 811 - 811a,

Rca jan 811a 811 - 811a,

$159.00
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Compactron 6c10 three - ge,

Compactron 6c10 three - ge,

$99.00
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Vintage sleeve nos rca - vintage, of

Vintage sleeve nos rca - vintage, of

$3.99
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Nos pair tung - pair, tung-sol

Nos pair tung - pair, tung-sol

$120.00
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Nos nib pair hytron - nos, /

Nos nib pair hytron - nos, /

$34.99
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Genuine audiotron t - audiotron, e.t

Genuine audiotron t - audiotron, e.t

$299.99
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Nos pair sylvania 6b4g - nos,

Nos pair sylvania 6b4g - nos,

$120.00
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Heintz kaufman k - heintz,

Heintz kaufman k - heintz,

$59.88
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Nos jan sylvania - nos, triode

Nos jan sylvania - nos, triode

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

Stock 6n1p 6n1 6h1n - 4x,

$32.50
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Nos sylvania 6as7g dual triode - dual,

Nos sylvania 6as7g dual triode - dual,

$84.99
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Antique 1920s rca radiotron - 1920s,

Antique 1920s rca radiotron - 1920s,

$55.00
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6eu7 nos nib - nos/nib, sylvania

6eu7 nos nib - nos/nib, sylvania

$26.99
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Nos pair raytheon 6b4g triode - pair,

Nos pair raytheon 6b4g triode - pair,

$120.00
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Custom crafted stereo tube - stereo,

Custom crafted stereo tube - stereo,

$575.00
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Amperex 500z high power - amperex,

Amperex 500z high power - amperex,

$475.00
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Matched pair rca - matched,

Matched pair rca - matched,

$99.00
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Used universal electronics - (3),

Used universal electronics - (3),

$39.99
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Rare nos western electric 416b - western,

Rare nos western electric 416b - western,

$26.59
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Lot nos 7370 ge usa - -,

Lot nos 7370 ge usa - -,

$16.99
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Nec 50c a10 - vacuum, x4

Nec 50c a10 - vacuum, x4

$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 glass triode - glass,

5868 tb4 1250 glass triode - glass,

$529.90
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Rca jan crc 808 - 808, vintage

Rca jan crc 808 - 808, vintage

$35.00
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Vintage tung sol - sol, red

Vintage tung sol - sol, red

$65.99
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6aw8a vacuum tube sylvania - 6aw8a,

6aw8a vacuum tube sylvania - 6aw8a,

$25.69
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Testing rca 250 globe - rca,

Testing rca 250 globe - rca,

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

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

$24.00
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Vintage planar triodes - planar,

Vintage planar triodes - planar,

$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 304tl - vintage,

Pair vintage eimac 304tl - vintage,

$85.00
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Lot sylvania made 6fq7 - sylvania-made,

Lot sylvania made 6fq7 - sylvania-made,

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

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

$24.00
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Rca 6181 uhf power triode - rca,

Rca 6181 uhf power triode - rca,

$251.75
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Vintage glass cwl - vintage,

Vintage glass cwl - vintage,

$159.99
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Pcs 6n23p voskhod - 4,

Pcs 6n23p voskhod - 4,

$15.99
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Lot vintage general - lot,

Lot vintage general - lot,

$85.00
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Vintage rca 5691 - rca, base

Vintage rca 5691 - rca, base

$65.99
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Cunningham 330 triode - cunningham,

Cunningham 330 triode - cunningham,

$35.00
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New labs audiophile 6v6 - labs,

New labs audiophile 6v6 - labs,

$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 - philips, rs-1026

Philips tb3 750 - philips, rs-1026

$95.67
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Lot type 6a3 raytheon - lot, of

Lot type 6a3 raytheon - lot, of

$75.00
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6n23p reflector big silver - 6n23p,

6n23p reflector big silver - 6n23p,

$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 - ecc85, nos/nib

6aq8 ecc85 nos nib - ecc85, nos/nib

$27.99
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6n23p reflector 1973 silver - 1973,

6n23p reflector 1973 silver - 1973,

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

Appears lightly used g e - appears, g.e

$129.99
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гп svetlana beam - gp-5,

гп svetlana beam - gp-5,

$59.97
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Nos 6680 ruggedized - nos, ge

Nos 6680 ruggedized - nos, ge

$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, #45

Matched pair westinghouse 45 - pair, #45

$133.29
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Philips miniwatt e80cc - philips,

Philips miniwatt e80cc - philips,

$180.00
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Mullard 6eu7 vacuum - vacuum, tubes

Mullard 6eu7 vacuum - vacuum, tubes

$129.99
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Western electric usa 241b - western,

Western electric usa 241b - western,

$499.99
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Rare 1578 6n8s 6sn7 - /,

Rare 1578 6n8s 6sn7 - /,

$154.00
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Pcs 6s2s 6с2с triode - /6С2С,

Pcs 6s2s 6с2с triode - /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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