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Triode

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Home / / Triode refurbished & used for sale | For Sale USA
Assorted 6sn7gt gta - (12),

Assorted 6sn7gt gta - (12),

$42.50
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Watt hybrid directly heated - hybrid,

Watt hybrid directly heated - hybrid,

$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 - hifi, 300b

Pair psvane hifi - hifi, 300b

$150.00
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Decware ufo zen triode - ufo, 2.1

Decware ufo zen triode - ufo, 2.1

$3750.00
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Brimar 12bh7 test - 1, v.good

Brimar 12bh7 test - 1, 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 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 - 3-500z,

500z electron tube 500 - 3-500z,

$264.99
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Genuine audiotron t - audiotron, e.t

Genuine audiotron t - audiotron, e.t

$299.99
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Fnirsi lcr transistor - fnirsi,

Fnirsi lcr transistor - fnirsi,

$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 - ГС-35Б, power

35b гс 35б tube - ГС-35Б, power

$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 - audio, rare

6n23p reflector audio - audio, rare

$228.88
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Rare vintage ge14501 3v - rare,

Rare vintage ge14501 3v - rare,

$18.99
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Rca 6sn7 231 jan - gt, crc

Rca 6sn7 231 jan - gt, crc

$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 - nos,

Nos valvo e80cc - nos,

$175.40
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Heintz kaufman k gammatron - heintz, h&k

Heintz kaufman k gammatron - heintz, h&k

$59.88
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Rca 6sn7 231 jan - rca,

Rca 6sn7 231 jan - rca,

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

Machlett 500zg high - machlett, high-mu

$299.99
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Croydon type 483 power - 483,

Croydon type 483 power - 483,

$28.00
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Mullard e80cc 6085 dual - e80cc,

Mullard e80cc 6085 dual - e80cc,

$75.00
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Raytheon jan 6832 submini dual - submini,

Raytheon jan 6832 submini dual - submini,

$6.95
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Custom crafted stereo tube - custom-crafted,

Custom crafted stereo tube - custom-crafted,

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

Huge philips taw - taw, 12-35g

$859.82
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Thermo scientific orion - thermo,

Thermo scientific orion - thermo,

$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 - 3-500zg,

500zg penta laboratories - 3-500zg,

$660.00
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Nos nib matched pair - nos, ge

Nos nib matched pair - nos, ge

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

Tungsol 6336 6336a 6336b 6528 - 6336b,

$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 - wire,

Triode wire labs - wire,

$393.00
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Western electric 102l vacuum - western,

Western electric 102l vacuum - western,

$40.00
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Amperex usa 5868 ax9902 - ax9902, rf

Amperex usa 5868 ax9902 - ax9902, rf

$249.95
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Matched pair 6n6p military - pair,

Matched pair 6n6p military - pair,

$99.00
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National type triode - 45,

National type triode - 45,

$54.99
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Varian triode ion vacuum - varian,

Varian triode ion vacuum - varian,

$500.00
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Nos nib pair - pair, hytron

Nos nib pair - pair, hytron

$34.99
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Used universal electronics - universal,

Used universal electronics - universal,

$39.99
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Vintage westinghouse 468 - westinghouse, wl-468

Vintage westinghouse 468 - westinghouse, wl-468

$39.00
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Gap amp telefunken - gap/r,

Gap amp telefunken - gap/r,

$129.00
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Raytheon 6sn7gt gtb medium - 6sn7gt/gtb,

Raytheon 6sn7gt gtb medium - 6sn7gt/gtb,

$17.50
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6544 machlett shielded grid - ml-6544,

6544 machlett shielded grid - ml-6544,

$269.00
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Nos philips 6201 - x,

Nos philips 6201 - x,

$479.75
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Nec 50c a10 - vacuum, x4

Nec 50c a10 - vacuum, x4

$266.00
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Carrier pcb with - carrier, nutube

Carrier pcb with - carrier, nutube

$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 sylvania twin - 6eu7,

6eu7 nos nib sylvania twin - 6eu7,

$29.99
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Pair cetron 572b 160 - cetron,

Pair cetron 572b 160 - cetron,

$195.00
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Stock gm 70 gm70 - us,

Stock gm 70 gm70 - us,

$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, 12ax7,

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

$30.80
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Siemens rs1026 tb3 750 02 - tb3/750,

Siemens rs1026 tb3 750 02 - tb3/750,

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

Multi function tester lcr - multi-function, lcr-tc1

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

Rca 6j5 vacuum tube rare - 6j5-g,

$20.00
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Rca jan crc 808 vintage - crc, triode

Rca jan crc 808 vintage - crc, triode

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

Vintage mazda ecc81 - vintage, ecc81/12ay7

$120.00
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Stock 6n1p 6n1 6h1n - us, 4x

Stock 6n1p 6n1 6h1n - us, 4x

$32.50
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Rca radiotron 201a - rca,

Rca radiotron 201a - rca,

$38.00
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Lot nos 6hs5 beam - 10,

Lot nos 6hs5 beam - 10,

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

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

$14.99
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Matched pair westinghouse 45 - matched,

Matched pair westinghouse 45 - matched,

$133.52
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Testing rca 250 - (1), globe

Testing rca 250 - (1), globe

$50.00
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New monarch 10ee modular drive - new,

New monarch 10ee modular drive - new,

$75.00
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Used amperex 203a - (2), &

Used amperex 203a - (2), &

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

Rare united electronics 311 - electronics, 311-ch

$59.75
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Raytheon type triode - type,

Raytheon type triode - type,

$24.00
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Cerberus gr15 2pc - cerberus,

Cerberus gr15 2pc - cerberus,

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

Philips tb3 750 - tb3/750, rs-1026

$95.29
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572 t160l cetron - 572ฺb, power

572 t160l cetron - 572ฺb, power

$269.99
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Two 9002 triode tubes - two,

Two 9002 triode tubes - two,

$5.95
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Lot 958a 212 - lot, acorn

Lot 958a 212 - lot, acorn

$16.00
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Zenith tube sealed nos - -,

Zenith tube sealed nos - -,

$11.00
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6n3p 2с51 5670 6385 - -e,

6n3p 2с51 5670 6385 - -e,

$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 - triode, vacuum

958 acorn triode - triode, vacuum

$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 - 2a3,

1950s sylvania 2a3 power - 2a3,

$135.95
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Tung sol 6a3 volt version - sol,

Tung sol 6a3 volt version - sol,

$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, 6n23p-ev

Lot pcs 6n23p ev - 10, 6n23p-ev

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

12av6 nos nib rca - (pair), nos/nib

$17.99
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Rca 3hq5 vacuum - 3hq5, triode

Rca 3hq5 vacuum - 3hq5, triode

$8.95
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Ibm 5965 dual - ibm,

Ibm 5965 dual - ibm,

$12.00
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Philips miniwatt e80cc 6085 - miniwatt, /6085

Philips miniwatt e80cc 6085 - miniwatt, /6085

$180.00
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Vintage eimac 304tl - 304tl, vt-129

Vintage eimac 304tl - 304tl, vt-129

$49.99
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4042 tube tubes rca - 4042,

4042 tube tubes rca - 4042,

$15.99
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833a electron tube 33 - electron,

833a electron tube 33 - electron,

$289.00
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572b penta laboratories power - penta,

572b penta laboratories power - penta,

$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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