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

1950s sylvania 2a3 power - 1950s,

$135.95
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Watt hybrid directly heated - 15,

Watt hybrid directly heated - 15,

$475.00
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Vintage heinz kaufman - 1,

Vintage heinz kaufman - 1,

$39.95
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Huge philips taw - huge!!,

Huge philips taw - huge!!,

$860.67
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Siemens rs1026 tb3 - 1x, 02

Siemens rs1026 tb3 - 1x, 02

$97.92
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Fnirsi lcr transistor - fnirsi, lcr-p1

Fnirsi lcr transistor - fnirsi, 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 - jan,

Raytheon jan 6832 submini - jan,

$6.95
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Tungsol 6080 6080wa - tungsol,

Tungsol 6080 6080wa - tungsol,

$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 e81cc - x,

Nos philips 6201 e81cc - x,

$475.00
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Hytron nos vintage - hytron,

Hytron nos vintage - hytron,

$9.75
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Rca 6j5 vacuum tube rare - 1,

Rca 6j5 vacuum tube rare - 1,

$20.00
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Thermo scientific orion ross - orion,

Thermo scientific orion ross - orion,

$800.00
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3cx10000h3 national - 3cx10000h3,

3cx10000h3 national - 3cx10000h3,

$2550.00
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Amperex usa 5868 - amperex,

Amperex usa 5868 - amperex,

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

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

$50.00
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Croydon type 483 power triode - type,

Croydon type 483 power triode - type,

$28.00
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Nos mullard ec92 - nos,

Nos mullard ec92 - nos,

$12.99
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Matched pair jan 6211 - pair, ge

Matched pair jan 6211 - pair, ge

$16.95
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New original boxes - in, one

New original boxes - in, one

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

35b гс 35б tube - gs-35b, 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,

Lot pcs 6n23p - lot,

$248.00
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Keeley tube drive 12ax7 twin - keeley,

Keeley tube drive 12ax7 twin - keeley,

$399.99
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Triode wire labs high power - triode,

Triode wire labs high power - triode,

$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 - 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,

833a electron tube - 833a,

$289.00
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Nos philips mini - mini, watt

Nos philips mini - mini, watt

$495.00
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United transformer corp type - transformer,

United transformer corp type - transformer,

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

Tungsol 6336 6336a - 6336a, 6336b

$49.00
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Psvane summit series - summit,

Psvane summit series - summit,

$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 5670w - jan,

Electron tube jan 5670w - jan,

$12.00
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958 acorn triode vacuum - acorn,

958 acorn triode vacuum - acorn,

$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 - rca, electron

Rca jan 811a 811 - rca, electron

$159.00
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Compactron 6c10 three - 6c10,

Compactron 6c10 three - 6c10,

$99.00
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Vintage sleeve nos - nos, rca

Vintage sleeve nos - nos, rca

$3.99
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Nos pair tung sol - nos, triode

Nos pair tung sol - nos, triode

$120.00
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Nos nib pair hytron - pair,

Nos nib pair hytron - pair,

$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 - pair, triode

Nos pair sylvania 6b4g - pair, triode

$120.00
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Heintz kaufman k gammatron - heintz,

Heintz kaufman k gammatron - 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 - 4x,

Stock 6n1p 6n1 - 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 - rca,

Antique 1920s rca radiotron - rca,

$55.00
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6eu7 nos nib sylvania twin - sylvania,

6eu7 nos nib sylvania twin - sylvania,

$26.99
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Nos pair raytheon - nos,

Nos pair raytheon - nos,

$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,

Amperex 500z high power - amperex,

$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 - (3),

Used universal electronics - (3),

$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, 10

Lot nos 7370 ge usa - lot, 10

$16.99
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Nec 50c a10 - 50c-a10, vacuum

Nec 50c a10 - 50c-a10, vacuum

$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, glass

5868 tb4 1250 - 5868/tb4/1250, glass

$529.90
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Rca jan crc 808 - rca, vintage

Rca jan crc 808 - rca, vintage

$35.00
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Vintage tung sol - tung, 5691

Vintage tung sol - tung, 5691

$65.99
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6aw8a vacuum tube - vacuum,

6aw8a vacuum tube - vacuum,

$25.69
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Testing rca 250 globe - 50%,

Testing rca 250 globe - 50%,

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

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

$24.00
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Vintage planar triodes - vintage,

Vintage planar triodes - vintage,

$59.99
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Rare raytheon 1930s - rare,

Rare raytheon 1930s - rare,

$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 - pair,

Pair vintage eimac - pair,

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

Lot sylvania made 6fq7 - (20), sylvania-made

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

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

$24.00
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Rca 6181 uhf power triode - triode, kcsm

Rca 6181 uhf power triode - 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 - 6n23p,

Pcs 6n23p voskhod - 6n23p,

$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 - vintage,

Vintage rca 5691 red base - vintage,

$65.99
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Cunningham 330 triode - triode,

Cunningham 330 triode - triode,

$35.00
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New labs audiophile 6v6 - new,

New labs audiophile 6v6 - new,

$1250.00
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6u10 compactron vacuum - compactron,

6u10 compactron vacuum - compactron,

$9.00
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Philips tb3 750 rs 1026 - philips, rs-1026

Philips tb3 750 rs 1026 - philips, rs-1026

$95.67
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Lot type 6a3 raytheon - 6a3,

Lot type 6a3 raytheon - 6a3,

$75.00
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6n23p reflector big silver - big,

6n23p reflector big silver - big,

$25.00
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Robert dollar jan - robert, jan-ckh-3c24

Robert dollar jan - robert, jan-ckh-3c24

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

6aq8 ecc85 nos - 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 - **, g.e

Appears lightly used g - **, g.e

$129.99
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гп svetlana beam - ГП-5,

гп svetlana beam - ГП-5,

$59.97
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Nos 6680 ruggedized - nos,

Nos 6680 ruggedized - 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, #45

Matched pair westinghouse 45 - pair, #45

$133.29
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Philips miniwatt e80cc - miniwatt,

Philips miniwatt e80cc - miniwatt,

$180.00
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Mullard 6eu7 vacuum - mullard,

Mullard 6eu7 vacuum - mullard,

$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 - 1578,

Rare 1578 6n8s - 1578,

$154.00
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Pcs 6s2s 6с2с triode tube - 2,

Pcs 6s2s 6с2с triode tube - 2,

$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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