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Triode

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Assorted 6sn7gt gta gtb - (12), 6sn7gt/gta/gtb

Assorted 6sn7gt gta gtb - (12), 6sn7gt/gta/gtb

$42.50
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Watt hybrid directly - 15,

Watt hybrid directly - 15,

$475.00
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Electro harmonix 2a3 gold - electro-harmonix, /

Electro harmonix 2a3 gold - electro-harmonix, /

$99.99
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Pair psvane hifi 300b vacuum - pair,

Pair psvane hifi 300b vacuum - pair,

$150.00
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Decware ufo zen - zen, triode

Decware ufo zen - zen, triode

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

Brimar 12bh7 test v good - x, v.good

$175.00
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Vintage general electric - vintage,

Vintage general electric - vintage,

$99.99
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Varian triode ion vacuum - ion,

Varian triode ion vacuum - ion,

$300.00
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Korg nutube 6p1 low - nutube,

Korg nutube 6p1 low - nutube,

$50.00
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500z electron tube 500 - electron, 3-500

500z electron tube 500 - electron, 3-500

$264.99
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Genuine audiotron t - genuine,

Genuine audiotron t - genuine,

$299.99
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Fnirsi lcr transistor - fnirsi, lcr-p1

Fnirsi lcr transistor - fnirsi, lcr-p1

$31.99
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Sylvania 7199 triode pentode - sylvania,

Sylvania 7199 triode pentode - sylvania,

$24.25
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35b гс 35б tube - gs-35b, ГС-35Б

35b гс 35б tube - gs-35b, ГС-35Б

$155.00
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3cx10000h3 national - 3cx10000h3,

3cx10000h3 national - 3cx10000h3,

$2550.00
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Orion single junction - orion™,

Orion single junction - orion™,

$235.00
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6n23p reflector audio rare - reflector,

6n23p reflector audio rare - reflector,

$228.88
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Rare vintage ge14501 3v - 2,

Rare vintage ge14501 3v - 2,

$18.99
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Rca 6sn7 231 jan crc - gt, vt-231

Rca 6sn7 231 jan crc - gt, vt-231

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

Eimac varian 100th triode - eimac/varian,

$115.00
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Nos valvo e80cc 6085 test - e80cc,

Nos valvo e80cc 6085 test - e80cc,

$175.40
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Heintz kaufman k gammatron - &,

Heintz kaufman k gammatron - &,

$59.88
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Rca 6sn7 231 - rca, jan

Rca 6sn7 231 - rca, jan

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

Machlett 500zg high - 3-500zg, high-mu

$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

Mullard e80cc 6085 - dual, triode

$75.00
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Raytheon jan 6832 - raytheon,

Raytheon jan 6832 - raytheon,

$6.95
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Custom crafted stereo - custom-crafted, tube

Custom crafted stereo - custom-crafted, tube

$575.00
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Huge philips taw 12 35g - taw, 12-35g

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

$859.82
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Thermo scientific orion - thermo, ross

Thermo scientific orion - thermo, ross

$318.75
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Matched pairs 6p1p - matched,

Matched pairs 6p1p - matched,

$32.00
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833a electron tube 33 - electron, fu-33

833a electron tube 33 - electron, fu-33

$178.99
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500zg penta laboratories - penta,

500zg penta laboratories - penta,

$660.00
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Nos nib matched pair type - matched,

Nos nib matched pair type - matched,

$299.99
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Tungsol 6336 6336a - 6336,

Tungsol 6336 6336a - 6336,

$49.00
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Electron tube jan 5670w - electron,

Electron tube jan 5670w - electron,

$12.00
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Triode wire labs - triode, high

Triode wire labs - triode, high

$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 - 5868, ax9902

Amperex usa 5868 - 5868, ax9902

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

Matched pair 6n6p military - 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 - triode,

Varian triode ion vacuum pump - triode,

$500.00
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Nos nib pair - nib, hytron

Nos nib pair - nib, hytron

$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 tube - nec, 50c-a10

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

$266.00
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Carrier pcb with korg - carrier, nutube

Carrier pcb with korg - carrier, nutube

$60.00
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Rca radiotron 227 - rca, uy-227

Rca radiotron 227 - rca, uy-227

$14.99
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гп svetlana beam - ГП-5,

гп svetlana beam - ГП-5,

$59.97
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6eu7 nos nib - 6eu7, sylvania

6eu7 nos nib - 6eu7, sylvania

$29.99
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Pair cetron 572b 160 - cetron, power

Pair cetron 572b 160 - cetron, power

$195.00
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Stock gm 70 gm70 - stock!,

Stock gm 70 gm70 - stock!,

$234.00
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6s19p triode tube - 6s19p-v, hf

6s19p triode tube - 6s19p-v, hf

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

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

$30.80
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Siemens rs1026 tb3 - 1x,

Siemens rs1026 tb3 - 1x,

$97.54
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Multi function tester lcr tc1 - tester, lcr-tc1

Multi function tester lcr tc1 - tester, lcr-tc1

$24.79
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Rca 6j5 vacuum tube - 1,

Rca 6j5 vacuum tube - 1,

$20.00
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Rca jan crc 808 - rca,

Rca jan crc 808 - rca,

$35.00
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Vintage mazda ecc81 12ay7 bva - mazda, ecc81/12ay7

Vintage mazda ecc81 12ay7 bva - mazda, ecc81/12ay7

$120.00
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Stock 6n1p 6n1 6h1n - us,

Stock 6n1p 6n1 6h1n - us,

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

Rca radiotron 201a triode - uv-201a,

$38.00
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Lot nos 6hs5 beam - lot, of

Lot nos 6hs5 beam - lot, of

$36.00
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6f5gt jan chs - 6f5gt, sylvania

6f5gt jan chs - 6f5gt, sylvania

$14.99
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Matched pair westinghouse - pair, #45

Matched pair westinghouse - pair, #45

$133.52
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Testing rca 250 - 50%, globe

Testing rca 250 - 50%, globe

$50.00
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New monarch 10ee modular drive - monarch,

New monarch 10ee modular drive - monarch,

$75.00
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Used amperex 203a - &,

Used amperex 203a - &,

$114.99
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Rare united electronics - united,

Rare united electronics - united,

$59.75
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Raytheon type triode - 40,

Raytheon type triode - 40,

$24.00
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Cerberus gr15 2pc glow relay - gr15,

Cerberus gr15 2pc glow relay - gr15,

$27.50
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Philips tb3 750 rs - 1x, tb3/750

Philips tb3 750 rs - 1x, tb3/750

$95.29
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572 t160l cetron power - (2), 572ฺb

572 t160l cetron power - (2), 572ฺb

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

Two 9002 triode - two, (vt-202)

$5.95
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Lot 958a 212 acorn - lot, vt-212

Lot 958a 212 acorn - lot, vt-212

$16.00
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Zenith tube sealed nos - tube,

Zenith tube sealed nos - tube,

$11.00
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6n3p 2с51 5670 6385 - 2С51, /

6n3p 2с51 5670 6385 - 2С51, /

$16.00
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5868 tb4 1250 - 5868/tb4/1250, glass

5868 tb4 1250 - 5868/tb4/1250, glass

$529.90
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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 triodes - 45,

Sylvania tube four triodes - 45,

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

1950s sylvania 2a3 power - 1950s,

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

Tung sol 6a3 volt - (6, version

$30.30
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Cunningham 330 triode - cunningham, cx-330

Cunningham 330 triode - cunningham, cx-330

$35.00
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Lot pcs 6n23p ev - 10,

Lot pcs 6n23p ev - 10,

$248.00
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12av6 nos nib - (pair), rca

12av6 nos nib - (pair), rca

$17.99
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Rca 3hq5 vacuum tube triode - rca,

Rca 3hq5 vacuum tube triode - rca,

$8.95
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Ibm 5965 dual triode - dual,

Ibm 5965 dual triode - dual,

$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 129 - 304tl, vt-129

Vintage eimac 304tl 129 - 304tl, vt-129

$49.99
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4042 tube tubes rca pencil - tube,

4042 tube tubes rca pencil - tube,

$15.99
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833a electron tube - 833a, fu-33

833a electron tube - 833a, fu-33

$289.00
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572b penta laboratories power - 572b,

572b penta laboratories power - 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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