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1950s sylvania 2a3 power - 1950s,

1950s sylvania 2a3 power - 1950s,

$135.95
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Watt hybrid directly - 15,

Watt hybrid directly - 15,

$475.00
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Vintage heinz kaufman - 1,

Vintage heinz kaufman - 1,

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

Huge philips taw 12 - philips, 12-35g

$860.67
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Siemens rs1026 tb3 750 - rs1026, 02

Siemens rs1026 tb3 750 - rs1026, 02

$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

Nos pair rca - jan, 5r4gy

$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 ecc230 - 6080,

Tungsol 6080 6080wa ecc230 - 6080,

$49.00
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Nos nib rca - (2), 5u4gb

Nos nib rca - (2), 5u4gb

$99.99
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Nos philips 6201 e81cc - 6201,

Nos philips 6201 e81cc - 6201,

$475.00
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Hytron nos vintage radio - vintage,

Hytron nos vintage radio - vintage,

$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 - 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 - usa, rf

Amperex usa 5868 ax9902 - usa, rf

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

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

$50.00
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Croydon type 483 - croydon, power

Croydon type 483 - croydon, power

$28.00
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Nos mullard ec92 - mullard, 6ab4

Nos mullard ec92 - mullard, 6ab4

$12.99
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Matched pair jan - matched, /

Matched pair jan - matched, /

$16.95
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New original boxes one - in,

New original boxes one - in,

$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 high power - high, mu

811a penta labs high power - high, mu

$175.00
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Lot pcs 6n23p ev - lot,

Lot pcs 6n23p ev - 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 - labs,

Triode wire labs high power - labs,

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

500z electron tube - electron, 3-500

$264.99
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Used amperex 203a - &,

Used amperex 203a - &,

$114.99
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Orion single junction - orion™,

Orion single junction - orion™,

$230.00
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833a electron tube - electron,

833a electron tube - electron,

$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,

United transformer corp - united,

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

Tungsol 6336 6336a 6336b - 6336, 6528

$49.00
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Psvane summit series 6sn7 - summit,

Psvane summit series 6sn7 - summit,

$254.95
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Nos nib matched pair - nib,

Nos nib matched pair - nib,

$299.99
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Electron tube jan 5670w - tube,

Electron tube jan 5670w - tube,

$12.00
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958 acorn triode - 958,,

958 acorn triode - 958,,

$6.00
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Mullard philips amperex - amperex?, ecc83

Mullard philips amperex - amperex?, ecc83

$39.95
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Rca jan 811a 811 electron - 811a,

Rca jan 811a 811 electron - 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,

Vintage sleeve nos rca - vintage,

$3.99
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Nos pair tung sol - tung-sol, 6b4g

Nos pair tung sol - tung-sol, 6b4g

$120.00
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Nos nib pair hytron 1626 - pair, /

Nos nib pair hytron 1626 - pair, /

$34.99
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Genuine audiotron t - genuine,

Genuine audiotron t - genuine,

$299.99
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Nos pair sylvania - sylvania, 6b4g

Nos pair sylvania - sylvania, 6b4g

$120.00
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Heintz kaufman k gammatron - h&k,

Heintz kaufman k gammatron - h&k,

$59.88
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Nos jan sylvania 6b4g triode - jan,

Nos jan sylvania 6b4g triode - jan,

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

Stock 6n1p 6n1 6h1n - stock!,

$32.50
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Nos sylvania 6as7g dual - dual, triode

Nos sylvania 6as7g dual - dual, triode

$84.99
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Antique 1920s rca - antique, radiotron

Antique 1920s rca - antique, radiotron

$55.00
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6eu7 nos nib sylvania - 6eu7,

6eu7 nos nib sylvania - 6eu7,

$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 - custom-crafted, tube

Custom crafted stereo - custom-crafted, tube

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

Amperex 500z high power - 3-500z,

$475.00
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Matched pair rca - rca, 10

Matched pair rca - rca, 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 - rare, 416b

Rare nos western electric - rare, 416b

$26.59
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Lot nos 7370 - ge,

Lot nos 7370 - ge,

$16.99
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Nec 50c a10 vacuum tube - vacuum, x4

Nec 50c a10 vacuum tube - vacuum, x4

$274.00
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Rca radiotron 201a - 4,

Rca radiotron 201a - 4,

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

5868 tb4 1250 glass - 5868/tb4/1250, triode

$529.90
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Rca jan crc 808 vintage - 808,

Rca jan crc 808 vintage - 808,

$35.00
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Vintage tung sol 5691 - tung,

Vintage tung sol 5691 - tung,

$65.99
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6aw8a vacuum tube - vacuum, sylvania

6aw8a vacuum tube - vacuum, sylvania

$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 coz - pair,

Pair sonotone usn coz - pair,

$24.00
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Vintage planar triodes - vintage,

Vintage planar triodes - vintage,

$59.99
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Rare raytheon 1930s - rk-38,

Rare raytheon 1930s - rk-38,

$225.00
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Rare united electronics 311 - united, 311-ch

Rare united electronics 311 - united, 311-ch

$59.75
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Pair vintage eimac 304tl - eimac,

Pair vintage eimac 304tl - eimac,

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

Lot sylvania made 6fq7 - of, sylvania-made

$51.95
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Nos rca 6c5 vacuum - 1, tube

Nos rca 6c5 vacuum - 1, tube

$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 - u.s.n., cwl-38160

Vintage glass cwl - u.s.n., cwl-38160

$159.99
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Pcs 6n23p voskhod - 6n23p, (rocket)

Pcs 6n23p voskhod - 6n23p, (rocket)

$15.99
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Lot vintage general - lot, of

Lot vintage general - lot, of

$85.00
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Vintage rca 5691 - vintage, base

Vintage rca 5691 - vintage, base

$65.99
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Cunningham 330 triode - cunningham,

Cunningham 330 triode - cunningham,

$35.00
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New labs audiophile - new,

New labs audiophile - new,

$1250.00
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6u10 compactron vacuum - 6u10,

6u10 compactron vacuum - 6u10,

$9.00
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Philips tb3 750 rs 1026 - tb3/750, 02

Philips tb3 750 rs 1026 - tb3/750, 02

$95.67
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Lot type 6a3 - lot, raytheon

Lot type 6a3 - lot, raytheon

$75.00
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6n23p reflector big silver - reflector,

6n23p reflector big silver - reflector,

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

Robert dollar jan ckh 3c24 - dollar, co.

$25.00
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6aq8 ecc85 nos nib motorola - ecc85,

6aq8 ecc85 nos nib motorola - ecc85,

$27.99
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6n23p reflector 1973 - 6n23p,

6n23p reflector 1973 - 6n23p,

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

Appears lightly used - **, 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 12au7 - ge,

Nos 6680 ruggedized 12au7 - ge,

$21.95
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833a transmitting triode - transmitting,

833a transmitting triode - transmitting,

$80.00
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Matched pair westinghouse - pair,

Matched pair westinghouse - pair,

$133.29
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Philips miniwatt e80cc 6085 - miniwatt, /6085

Philips miniwatt e80cc 6085 - miniwatt, /6085

$180.00
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Mullard 6eu7 vacuum tubes - mullard,

Mullard 6eu7 vacuum tubes - mullard,

$129.99
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Western electric usa 241b - electric,

Western electric usa 241b - electric,

$499.99
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Rare 1578 6n8s 6sn7 - 6n8s, /

Rare 1578 6n8s 6sn7 - 6n8s, /

$154.00
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Pcs 6s2s 6с2с triode tube - pcs, /6С2С

Pcs 6s2s 6с2с triode tube - 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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