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Home / / Triode refurbished & used for sale | For Sale USA
Decware ufo zen triode - decware, 2.1

Decware ufo zen triode - decware, 2.1

$3250.00
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Watt hybrid directly heated - hybrid,

Watt hybrid directly heated - hybrid,

$455.00
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Thermo scientific orion - thermo,

Thermo scientific orion - thermo,

$800.00
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Electro harmonix 2a3 gold - electro-harmonix, /

Electro harmonix 2a3 gold - electro-harmonix, /

$99.99
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Eimac 500z triode - 3-500z,

Eimac 500z triode - 3-500z,

$125.00
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Rca jan crc 808 vintage - 808, triode

Rca jan crc 808 vintage - 808, triode

$35.00
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6544 machlett shielded grid - shielded,

6544 machlett shielded grid - shielded,

$269.00
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Nos testing rca 211 - (1),

Nos testing rca 211 - (1),

$399.99
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Manufactured western - u.s.,

Manufactured western - u.s.,

$350.00
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Nice big 211 watter - nice,

Nice big 211 watter - nice,

$24.99
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811 beam watt triode - 811,

811 beam watt triode - 811,

$28.95
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Genuine audiotron t - genuine, e.t

Genuine audiotron t - genuine, e.t

$299.99
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National nl11826 power - nl11826, triode

National nl11826 power - nl11826, triode

$250.00
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3cx10000h3 national - 3cx10000h3,

3cx10000h3 national - 3cx10000h3,

$1999.99
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Orion single junction - single,

Orion single junction - single,

$240.00
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35b гс 35б tube power - tube,

35b гс 35б tube power - tube,

$155.00
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Stock 6n1p 6n1 6h1n - 6n1,

Stock 6n1p 6n1 6h1n - 6n1,

$32.50
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Western electric 216a vacuum - western,

Western electric 216a vacuum - western,

$149.95
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1320 tube socket - tube, not

1320 tube socket - tube, not

$920.00
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Nos nib matched pair type - matched,

Nos nib matched pair type - matched,

$299.99
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Nos hytron 841 tube - nos,

Nos hytron 841 tube - nos,

$100.00
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Amperex 11826 power - nl, triode

Amperex 11826 power - nl, triode

$100.00
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35b tube with cooler - tube,

35b tube with cooler - tube,

$400.00
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Vintage sleeve nos rca - vintage,

Vintage sleeve nos rca - vintage,

$3.99
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Siemens rs1026 tb3 750 - rs1026, 02

Siemens rs1026 tb3 750 - rs1026, 02

$97.58
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Rca 6f8g twin triode round - twin,

Rca 6f8g twin triode round - twin,

$30.00
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Rca 2a3 usa - 1, vt-95

Rca 2a3 usa - 1, vt-95

$175.00
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35b tube without - (2),

35b tube without - (2),

$150.00
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Rare nos rca - rare, deforest

Rare nos rca - rare, deforest

$225.00
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Vintage ther monic tvtr - ther-monic,

Vintage ther monic tvtr - ther-monic,

$220.00
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500z electron tube 500 - 3-500z,

500z electron tube 500 - 3-500z,

$264.99
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Amperex usa 5868 ax9902 - ax9902, rf

Amperex usa 5868 ax9902 - ax9902, rf

$249.95
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811a electronic enterprises - 811a,

811a electronic enterprises - 811a,

$32.99
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Croydon type 483 - power, triode

Croydon type 483 - power, triode

$28.00
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Pcs 6n1p 6n1 - 2, 6n1p-ev

Pcs 6n1p 6n1 - 2, 6n1p-ev

$27.50
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Nec 50c a10 - nec, vacuum

Nec 50c a10 - nec, vacuum

$248.00
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6ev7 vacuum tube nos nib - vacuum,

6ev7 vacuum tube nos nib - vacuum,

$7.99
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Rare arcturus 10y - 10y, triode

Rare arcturus 10y - 10y, triode

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

500z electron tube 500 - 3-500z,

$263.00
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Thermo scientific 8157bnumd - thermo,

Thermo scientific 8157bnumd - thermo,

$240.00
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Nos nib pair hytron 1626 - nos, /

Nos nib pair hytron 1626 - nos, /

$34.99
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2a3 vt95 nos nib - 2a3, dual

2a3 vt95 nos nib - 2a3, dual

$109.99
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Eimac 1000h tube - eimac,

Eimac 1000h tube - eimac,

$270.00
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Triode wire labs - labs,, american

Triode wire labs - labs,, american

$449.00
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Raytheon jan 5702wb - raytheon,

Raytheon jan 5702wb - raytheon,

$22.99
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Vintage rca radiotron - vintage,

Vintage rca radiotron - vintage,

$400.00
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Custom dynamo 120 vacuum - custom, st-120

Custom dynamo 120 vacuum - custom, st-120

$500.00
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Single ended triode - line, stage

Single ended triode - line, stage

$1850.00
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Matched mil tungsol round - matched,

Matched mil tungsol round - matched,

$699.99
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Tested balanced rca 12ax7 - (1),

Tested balanced rca 12ax7 - (1),

$44.95
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Pcs 6n1p 6n1 - 6n1p, 6n1p-ev

Pcs 6n1p 6n1 - 6n1p, 6n1p-ev

$12.99
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Stock gm 70 gm70 - us, stock!

Stock gm 70 gm70 - us, stock!

$234.00
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Strong scarce deforest type - strong,

Strong scarce deforest type - strong,

$249.99
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Matching pair rca jan - jan, crc

Matching pair rca jan - jan, crc

$63.00
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Planar triode jan - ge,

Planar triode jan - ge,

$7.95
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Rare 265 triode jumbo - rare,

Rare 265 triode jumbo - rare,

$84.99
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Electron tube jan - (1),

Electron tube jan - (1),

$12.00
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500zg penta laboratories - 3-500zg,

500zg penta laboratories - 3-500zg,

$660.00
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Tungsol 6336 6336a 6336b 6528 - 6336,

Tungsol 6336 6336a 6336b 6528 - 6336,

$49.00
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Machlett high power triode - power,

Machlett high power triode - power,

$125.00
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Nice 101f tube - nice, tube,

Nice 101f tube - nice, tube,

$310.00
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Rca 830b vacuum tube - vacuum,

Rca 830b vacuum tube - vacuum,

$37.00
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Vintage cetron 300b vacuum - vintage,

Vintage cetron 300b vacuum - vintage,

$298.89
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Rca 6181 uhf power - rca, tube

Rca 6181 uhf power - rca, tube

$165.75
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190 nos tubes - tubes, sn1551b

190 nos tubes - tubes, sn1551b

$595.00
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Thermo 290a orion - 290a+,

Thermo 290a orion - 290a+,

$89.00
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Amperex 7119 dual - amperex,

Amperex 7119 dual - amperex,

$29.95
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General electronics 5814a - electronics,

General electronics 5814a - electronics,

$35.00
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Amperex 7119 e182cc - 7119, pq

Amperex 7119 e182cc - 7119, pq

$39.99
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Nos 5814a 12au7 - nos,

Nos 5814a 12au7 - nos,

$7.95
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Lot pcs 6n23p - 10,

Lot pcs 6n23p - 10,

$235.60
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6sl7gt nos nib - 6sl7gt, nos/nib

6sl7gt nos nib - 6sl7gt, nos/nib

$24.99
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Rca radiotron vacuum - radiotron,

Rca radiotron vacuum - radiotron,

$12.99
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Raytheon type triode - type,

Raytheon type triode - type,

$21.00
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6f5gt jan chs - 6f5gt, jan-chs-6f5gt

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

$14.99
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Motorola 6sn7gtb vacuum tube - 1,

Motorola 6sn7gtb vacuum tube - 1,

$15.00
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Tesla e88cc 6922 - tesla, cca

Tesla e88cc 6922 - tesla, cca

$149.90
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Rare vintage ge14501 - rare,

Rare vintage ge14501 - rare,

$18.99
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6eu7 nos nib twin triode - 6eu7, nos/nib

6eu7 nos nib twin triode - 6eu7, nos/nib

$27.99
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Eight 1958 general - eight,

Eight 1958 general - eight,

$38.00
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Pcs 6n6p - pcs,

Pcs 6n6p - pcs,

$18.99
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Heintz kaufman k - heintz, gammatron

Heintz kaufman k - heintz, gammatron

$49.88
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Rca 5563 thyratron triode - rca,

Rca 5563 thyratron triode - rca,

$225.00
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12ax7 telefunken twin triode - twin,

12ax7 telefunken twin triode - twin,

$52.99
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Korg nutube 6p1 low power - korg,

Korg nutube 6p1 low power - korg,

$50.00
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6n2p double triode with - ,

6n2p double triode with - ,

$16.99
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Rare nos 12ax7s - nos, tubes

Rare nos 12ax7s - nos, tubes

$160.00
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Rare machlett 6c21 - ml-6c21, /

Rare machlett 6c21 - ml-6c21, /

$425.00
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6072 - , (ibm

6072 - , (ibm

$89.99
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Lot sonotone jan - lot,

Lot sonotone jan - lot,

$14.99
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1918 type pliotron triode - g,

1918 type pliotron triode - g,

$99.00
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Nos taylor vacuum tube - taylor,

Nos taylor vacuum tube - taylor,

$28.05
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Eimac 1000h tube - tube, triode,nos

Eimac 1000h tube - tube, triode,nos

$338.00
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5751 preamp tube - preamp,

5751 preamp tube - preamp,

$19.95
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Professional melglem - professional,

Professional melglem - professional,

$24.00
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Tb5 2500 606 - fu-606, tube

Tb5 2500 606 - fu-606, tube

$352.80
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📊96 listings · from $3.99 · avg $240.77

Browse 96 triode listings currently in our index. Prices range from $3.99 to $3250, with an average of $240.77. 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 $3250 — giving you a wide budget spread to work with. The average price of $240.77 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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