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Assorted 6sn7gt gta gtb - (12),

Assorted 6sn7gt gta gtb - (12),

$42.50
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Watt hybrid directly heated - 15,

Watt hybrid directly heated - 15,

$475.00
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Electro harmonix 2a3 gold - gold, /

Electro harmonix 2a3 gold - gold, /

$99.99
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Pair psvane hifi 300b vacuum - hifi,

Pair psvane hifi 300b vacuum - hifi,

$150.00
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Decware ufo zen - decware,

Decware ufo zen - decware,

$3750.00
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Brimar 12bh7 test - brimar, v.good

Brimar 12bh7 test - brimar, v.good

$175.00
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Vintage general electric - electric, ge

Vintage general electric - electric, ge

$99.99
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Varian triode ion vacuum pump - triode,

Varian triode ion vacuum pump - triode,

$300.00
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Korg nutube 6p1 low - nutube, low-power

Korg nutube 6p1 low - nutube, low-power

$50.00
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500z electron tube 500 - electron,

500z electron tube 500 - electron,

$264.99
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Genuine audiotron t - genuine,

Genuine audiotron t - genuine,

$299.99
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Fnirsi lcr transistor - fnirsi,

Fnirsi lcr transistor - fnirsi,

$31.99
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Sylvania 7199 triode - sylvania, triode/pentode

Sylvania 7199 triode - sylvania, triode/pentode

$24.25
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35b гс 35б tube power - gs-35b,

35b гс 35б tube power - gs-35b,

$155.00
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3cx10000h3 national - 3cx10000h3,

3cx10000h3 national - 3cx10000h3,

$2550.00
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Orion single junction - single,

Orion single junction - single,

$235.00
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6n23p reflector audio rare - 6n23p-ev,

6n23p reflector audio rare - 6n23p-ev,

$228.88
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Rare vintage ge14501 3v - 2, 6.3v

Rare vintage ge14501 3v - 2, 6.3v

$18.99
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Rca 6sn7 231 - rca, gt

Rca 6sn7 231 - rca, gt

$219.38
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Eimac varian 100th - eimac/varian, triode

Eimac varian 100th - eimac/varian, triode

$115.00
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Nos valvo e80cc - nos, good

Nos valvo e80cc - nos, good

$175.40
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Heintz kaufman k - kaufman, h&k

Heintz kaufman k - kaufman, h&k

$59.88
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Rca 6sn7 231 jan crc - rca, gt

Rca 6sn7 231 jan crc - rca, gt

$219.38
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Machlett 500zg high power - 3-500zg,

Machlett 500zg high power - 3-500zg,

$299.99
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Croydon type 483 power - croydon, triode

Croydon type 483 power - croydon, triode

$28.00
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Mullard e80cc 6085 dual triode - dual,

Mullard e80cc 6085 dual triode - dual,

$75.00
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Raytheon jan 6832 - jan, dual

Raytheon jan 6832 - jan, dual

$6.95
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Custom crafted stereo - custom-crafted,

Custom crafted stereo - custom-crafted,

$575.00
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Huge philips taw - philips,

Huge philips taw - philips,

$859.82
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Thermo scientific orion - scientific,

Thermo scientific orion - scientific,

$318.75
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Matched pairs 6p1p - pairs, 6p1p-ev

Matched pairs 6p1p - pairs, 6p1p-ev

$32.00
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833a electron tube - 833a,

833a electron tube - 833a,

$178.99
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500zg penta laboratories - 3-500zg,

500zg penta laboratories - 3-500zg,

$660.00
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Nos nib matched - matched, type

Nos nib matched - matched, type

$299.99
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Tungsol 6336 6336a 6336b 6528 - tungsol,

Tungsol 6336 6336a 6336b 6528 - tungsol,

$49.00
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Electron tube jan 5670w - electron, ge

Electron tube jan 5670w - electron, ge

$12.00
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Triode wire labs high - labs, power

Triode wire labs high - labs, power

$393.00
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Western electric 102l vacuum - electric,

Western electric 102l vacuum - electric,

$40.00
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Amperex usa 5868 ax9902 - amperex,

Amperex usa 5868 ax9902 - amperex,

$249.95
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Matched pair 6n6p - pair, 6n6p.

Matched pair 6n6p - pair, 6n6p.

$99.00
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National type triode - national,

National type triode - national,

$54.99
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Varian triode ion vacuum pump - ion,

Varian triode ion vacuum pump - ion,

$500.00
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Nos nib pair hytron - nib, 1626

Nos nib pair hytron - nib, 1626

$34.99
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Used universal electronics - used,

Used universal electronics - used,

$39.99
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Vintage westinghouse 468 - vintage,

Vintage westinghouse 468 - vintage,

$39.00
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Gap amp telefunken - amp, +

Gap amp telefunken - amp, +

$129.00
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Raytheon 6sn7gt gtb medium - (5),

Raytheon 6sn7gt gtb medium - (5),

$17.50
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6544 machlett shielded grid - machlett,

6544 machlett shielded grid - machlett,

$269.00
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Nos philips 6201 e81cc - nos,

Nos philips 6201 e81cc - nos,

$479.75
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Nec 50c a10 vacuum - 50c-a10,

Nec 50c a10 vacuum - 50c-a10,

$266.00
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Carrier pcb with korg nutube - carrier,

Carrier pcb with korg nutube - carrier,

$60.00
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Rca radiotron 227 type 27 - rca,

Rca radiotron 227 type 27 - rca,

$14.99
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гп svetlana beam - gp-5, ГП-5

гп svetlana beam - gp-5, ГП-5

$59.97
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6eu7 nos nib - 6eu7, twin

6eu7 nos nib - 6eu7, twin

$29.99
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Pair cetron 572b - t-160-l, power

Pair cetron 572b - t-160-l, power

$195.00
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Stock gm 70 gm70 - 2x, gm-70

Stock gm 70 gm70 - 2x, gm-70

$234.00
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6s19p triode tube - hf,

6s19p triode tube - hf,

$16.00
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4pcs 6n2p 12ax7 ecc83 - 6n2p,

4pcs 6n2p 12ax7 ecc83 - 6n2p,

$30.80
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Siemens rs1026 tb3 750 02 - siemens,

Siemens rs1026 tb3 750 02 - siemens,

$97.54
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Multi function tester - multi-function,

Multi function tester - multi-function,

$24.79
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Rca 6j5 vacuum - 6j5-g,

Rca 6j5 vacuum - 6j5-g,

$20.00
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Rca jan crc - jan,

Rca jan crc - jan,

$35.00
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Vintage mazda ecc81 - mazda, bva

Vintage mazda ecc81 - mazda, bva

$120.00
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Stock 6n1p 6n1 - us,

Stock 6n1p 6n1 - us,

$32.50
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Rca radiotron 201a triode - rca, uv-201a

Rca radiotron 201a triode - rca, uv-201a

$38.00
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Lot nos 6hs5 beam triode - 6hs5,

Lot nos 6hs5 beam triode - 6hs5,

$36.00
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6f5gt jan chs - jan-chs-6f5gt, sylvania

6f5gt jan chs - jan-chs-6f5gt, sylvania

$14.99
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Matched pair westinghouse 45 - pair,

Matched pair westinghouse 45 - pair,

$133.52
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Testing rca 250 globe - 250,

Testing rca 250 globe - 250,

$50.00
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New monarch 10ee modular - 10ee, drive

New monarch 10ee modular - 10ee, drive

$75.00
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Used amperex 203a - (2),

Used amperex 203a - (2),

$114.99
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Rare united electronics 311 - united, 311-ch

Rare united electronics 311 - united, 311-ch

$59.75
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Raytheon type triode - raytheon,

Raytheon type triode - raytheon,

$24.00
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Cerberus gr15 2pc glow - gr15, relay

Cerberus gr15 2pc glow - gr15, relay

$27.50
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Philips tb3 750 rs - tb3/750, rs-1026

Philips tb3 750 rs - tb3/750, rs-1026

$95.29
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572 t160l cetron power - t160l,

572 t160l cetron power - t160l,

$269.99
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Two 9002 triode tubes - two, (vt-202)

Two 9002 triode tubes - two, (vt-202)

$5.95
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Lot 958a 212 acorn - lot, 4:958a

Lot 958a 212 acorn - lot, 4:958a

$16.00
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Zenith tube sealed - -,

Zenith tube sealed - -,

$11.00
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6n3p 2с51 5670 - 6n3p, 6385

6n3p 2с51 5670 - 6n3p, 6385

$16.00
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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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Matched pair westinghouse - matched,

Matched pair westinghouse - matched,

$39.99
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958 acorn triode vacuum - acorn,

958 acorn triode vacuum - acorn,

$6.00
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Sylvania tube four - 45,

Sylvania tube four - 45,

$75.00
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1950s sylvania 2a3 power - 2a3,

1950s sylvania 2a3 power - 2a3,

$135.95
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Tung sol 6a3 - 6a3, (6

Tung sol 6a3 - 6a3, (6

$30.30
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Cunningham 330 triode - cunningham,

Cunningham 330 triode - cunningham,

$35.00
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Lot pcs 6n23p ev - of, 10

Lot pcs 6n23p ev - of, 10

$248.00
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12av6 nos nib rca - x2, nos/nib

12av6 nos nib rca - x2, nos/nib

$17.99
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Rca 3hq5 vacuum tube - 3hq5,

Rca 3hq5 vacuum tube - 3hq5,

$8.95
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Ibm 5965 dual triode amplifier - ibm,

Ibm 5965 dual triode amplifier - ibm,

$12.00
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Philips miniwatt e80cc 6085 - philips,

Philips miniwatt e80cc 6085 - philips,

$180.00
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Vintage eimac 304tl - vintage,

Vintage eimac 304tl - vintage,

$49.99
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4042 tube tubes rca - 10,

4042 tube tubes rca - 10,

$15.99
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833a electron tube - 833a,

833a electron tube - 833a,

$289.00
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572b penta laboratories - 572b,

572b penta laboratories - 572b,

$230.00
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📊96 listings · from $5.95 · avg $204.28

Browse 96 triode listings currently in our index. Prices range from $5.95 to $3750, with an average of $204.28. 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 $5.95, while premium listings can reach $3750 — giving you a wide budget spread to work with. The average price of $204.28 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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