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1950s sylvania 2a3 power - 1950s,

1950s sylvania 2a3 power - 1950s,

$135.95
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Watt hybrid directly heated - watt,

Watt hybrid directly heated - watt,

$475.00
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Vintage heinz kaufman - 1, &

Vintage heinz kaufman - 1, &

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

Huge philips taw - taw, 12-35g

$860.67
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Siemens rs1026 tb3 - rs1026, 02

Siemens rs1026 tb3 - 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 - rca,

Nos pair rca jan 5r4gy - rca,

$220.00
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Raytheon jan 6832 - 6832, submini

Raytheon jan 6832 - 6832, submini

$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), black

Nos nib rca - (2), black

$99.99
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Nos philips 6201 - x,

Nos philips 6201 - x,

$475.00
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Hytron nos vintage - hytron,

Hytron nos vintage - hytron,

$9.75
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Rca 6j5 vacuum - 1,

Rca 6j5 vacuum - 1,

$20.00
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Thermo scientific orion - thermo, ross

Thermo scientific orion - thermo, ross

$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 low power - korg,

Korg nutube 6p1 low power - korg,

$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 6ab4 - 1,

Nos mullard ec92 6ab4 - 1,

$12.99
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Matched pair jan - ge,

Matched pair jan - ge,

$16.95
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New original boxes one - original,

New original boxes one - original,

$20.00
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35b гс 35б tube - gs-35b,

35b гс 35б tube - gs-35b,

$155.00
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811a penta labs - mu, power

811a penta labs - mu, power

$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

Keeley tube drive 12ax7 - -, twin

$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 - tube, 3-500

500z electron tube 500 - tube, 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 - tube, fu-33

833a electron tube 33 - tube, fu-33

$289.00
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Nos philips mini watt - nos, sq

Nos philips mini watt - nos, sq

$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 6336b 6528 - 6336,

Tungsol 6336 6336a 6336b 6528 - 6336,

$49.00
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Psvane summit series - psvane, 6sn7

Psvane summit series - psvane, 6sn7

$254.95
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Nos nib matched - nib, type

Nos nib matched - nib, type

$299.99
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Electron tube jan 5670w - tube, ge

Electron tube jan 5670w - tube, ge

$12.00
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958 acorn triode - 958,, vacuum

958 acorn triode - 958,, vacuum

$6.00
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Mullard philips amperex ecc83 - amperex?,

Mullard philips amperex ecc83 - amperex?,

$39.95
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Rca jan 811a - 811a, 811

Rca jan 811a - 811a, 811

$159.00
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Compactron 6c10 three - compactron,

Compactron 6c10 three - compactron,

$99.00
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Vintage sleeve nos rca - nos,

Vintage sleeve nos rca - nos,

$3.99
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Nos pair tung sol - 6b4g, triode

Nos pair tung sol - 6b4g, triode

$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 - genuine,

Genuine audiotron t - genuine,

$299.99
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Nos pair sylvania 6b4g triode - pair,

Nos pair sylvania 6b4g triode - pair,

$120.00
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Heintz kaufman k gammatron - heintz, h&k

Heintz kaufman k gammatron - heintz, h&k

$59.88
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Nos jan sylvania 6b4g triode - nos,

Nos jan sylvania 6b4g triode - nos,

$240.00
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Stock 6n1p 6n1 6h1n - us,

Stock 6n1p 6n1 6h1n - us,

$32.50
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Nos sylvania 6as7g - nos, dual

Nos sylvania 6as7g - nos, dual

$84.99
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Antique 1920s rca radiotron - antique,

Antique 1920s rca radiotron - antique,

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

6eu7 nos nib sylvania - nos/nib,

$26.99
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Nos pair raytheon 6b4g triode - nos,

Nos pair raytheon 6b4g triode - nos,

$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, mu

Amperex 500z high power - amperex, mu

$475.00
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Matched pair rca type - type, 10

Matched pair rca type - type, 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 - nos, 416b

Rare nos western electric - nos, 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 - 50c-a10, tube

Nec 50c a10 vacuum - 50c-a10, tube

$274.00
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Rca radiotron 201a - rca,

Rca radiotron 201a - rca,

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

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

$529.90
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Rca jan crc - jan, triode

Rca jan crc - jan, triode

$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 - 6aw8a, sylvania

6aw8a vacuum tube - 6aw8a, sylvania

$25.69
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Testing rca 250 - testing, globe

Testing rca 250 - testing, globe

$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, rk-38

Rare raytheon 1930s - raytheon, rk-38

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

Rare united electronics 311 - electronics, 311-ch

$59.75
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Pair vintage eimac 304tl - pair,

Pair vintage eimac 304tl - pair,

$85.00
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Lot sylvania made - of, 6fq7

Lot sylvania made - of, 6fq7

$51.95
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Nos rca 6c5 vacuum tube - nos,

Nos rca 6c5 vacuum tube - nos,

$24.00
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Rca 6181 uhf power - rca,

Rca 6181 uhf power - rca,

$251.75
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Vintage glass cwl - glass, u.s.n.

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

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

Pcs 6n23p voskhod - voskhod, (rocket)

$15.99
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Lot vintage general - lot, 11

Lot vintage general - lot, 11

$85.00
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Vintage rca 5691 - 5691, red

Vintage rca 5691 - 5691, red

$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, je

New labs audiophile 6v6 - new, je

$1250.00
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6u10 compactron vacuum tube - 6u10,

6u10 compactron vacuum tube - 6u10,

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

Philips tb3 750 rs - 1x, rs-1026

$95.67
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Lot type 6a3 raytheon - type,

Lot type 6a3 raytheon - type,

$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 - robert, co.

Robert dollar jan - robert, co.

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

6aq8 ecc85 nos - nos/nib, motorola

$27.99
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6n23p reflector 1973 - reflector,

6n23p reflector 1973 - reflector,

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

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

Nos 6680 ruggedized 12au7 - 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 - westinghouse, #45

Matched pair westinghouse 45 - westinghouse, #45

$133.29
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Philips miniwatt e80cc 6085 - miniwatt,

Philips miniwatt e80cc 6085 - miniwatt,

$180.00
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Mullard 6eu7 vacuum tubes - 3,

Mullard 6eu7 vacuum tubes - 3,

$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 - 1578, /

Rare 1578 6n8s - 1578, /

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

Pcs 6s2s 6с2с triode tube - triode,

$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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