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

Decware ufo zen - 2.1, triode

$3250.00
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Watt hybrid directly heated - 15,

Watt hybrid directly heated - 15,

$455.00
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Thermo scientific orion ross - scientific,

Thermo scientific orion ross - scientific,

$800.00
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Electro harmonix 2a3 - 2a3, /

Electro harmonix 2a3 - 2a3, /

$99.99
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Eimac 500z triode - eimac,

Eimac 500z triode - eimac,

$125.00
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Rca jan crc 808 - jan,

Rca jan crc 808 - jan,

$35.00
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6544 machlett shielded grid - ml-6544,

6544 machlett shielded grid - ml-6544,

$269.00
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Nos testing rca 211 - testing,

Nos testing rca 211 - testing,

$399.99
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Manufactured western - manufactured,

Manufactured western - manufactured,

$350.00
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Nice big 211 - nice, uv

Nice big 211 - nice, uv

$24.99
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811 beam watt triode - ,

811 beam watt triode - ,

$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 triode - national,

National nl11826 power triode - national,

$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 - ГС-35Б, tube

35b гс 35б - ГС-35Б, tube

$155.00
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Stock 6n1p 6n1 - stock!,

Stock 6n1p 6n1 - stock!,

$32.50
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Western electric 216a - electric, vacuum

Western electric 216a - electric, vacuum

$149.95
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1320 tube socket - socket, nos

1320 tube socket - socket, nos

$920.00
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Nos nib matched pair - matched, ge

Nos nib matched pair - matched, ge

$299.99
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Nos hytron 841 - vt-51, tube

Nos hytron 841 - vt-51, tube

$100.00
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Amperex 11826 power triode - amperex,

Amperex 11826 power triode - amperex,

$100.00
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35b tube with - (2), cooler

35b tube with - (2), cooler

$400.00
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Vintage sleeve nos - vintage,

Vintage sleeve nos - vintage,

$3.99
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Siemens rs1026 tb3 750 - siemens, 02

Siemens rs1026 tb3 750 - siemens, 02

$97.58
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Rca 6f8g twin triode - rca,

Rca 6f8g twin triode - rca,

$30.00
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Rca 2a3 usa 95 - 1,

Rca 2a3 usa 95 - 1,

$175.00
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35b tube without - (2),

35b tube without - (2),

$150.00
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Rare nos rca - rare,

Rare nos rca - rare,

$225.00
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Vintage ther monic tvtr - vintage,

Vintage ther monic tvtr - vintage,

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

500z electron tube - electron, 3-500

$264.99
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Amperex usa 5868 ax9902 - 5868,

Amperex usa 5868 ax9902 - 5868,

$249.95
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811a electronic enterprises - electronic,

811a electronic enterprises - electronic,

$32.99
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Croydon type 483 power - type, triode

Croydon type 483 power - type, triode

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

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

$27.50
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Nec 50c a10 vacuum tube - nec,

Nec 50c a10 vacuum tube - nec,

$248.00
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6ev7 vacuum tube nos - 6ev7,

6ev7 vacuum tube nos - 6ev7,

$7.99
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Rare arcturus 10y triode - rare,

Rare arcturus 10y triode - rare,

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

500z electron tube 500 - 3-500z, 3-500

$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 - pair,

Nos nib pair hytron 1626 - pair,

$34.99
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2a3 vt95 nos - 2a3,

2a3 vt95 nos - 2a3,

$109.99
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Eimac 1000h tube triode - eimac, triode,for

Eimac 1000h tube triode - eimac, triode,for

$270.00
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Triode wire labs american - wire, labs,

Triode wire labs american - wire, labs,

$449.00
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Raytheon jan 5702wb - jan, ribbon

Raytheon jan 5702wb - jan, ribbon

$22.99
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Vintage rca radiotron 845 - rca,

Vintage rca radiotron 845 - rca,

$400.00
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Custom dynamo 120 vacuum - custom,

Custom dynamo 120 vacuum - custom,

$500.00
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Single ended triode line - single,

Single ended triode line - single,

$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 - (1),

Tested balanced rca - (1),

$44.95
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Pcs 6n1p 6n1 - pcs, (6n1,

Pcs 6n1p 6n1 - pcs, (6n1,

$12.99
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Stock gm 70 - us, 2x

Stock gm 70 - us, 2x

$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 - matching,

Matching pair rca jan - matching,

$63.00
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Planar triode jan - planar,

Planar triode jan - planar,

$7.95
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Rare 265 triode - fp-265, jumbo

Rare 265 triode - fp-265, jumbo

$84.99
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Electron tube jan 5670w - jan,

Electron tube jan 5670w - jan,

$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 - 6336, 6528

Tungsol 6336 6336a 6336b - 6336, 6528

$49.00
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Machlett high power triode - high-mu,

Machlett high power triode - high-mu,

$125.00
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Nice 101f tube tennis - 101f,

Nice 101f tube tennis - 101f,

$310.00
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Rca 830b vacuum tube - rca,

Rca 830b vacuum tube - rca,

$37.00
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Vintage cetron 300b - vintage,

Vintage cetron 300b - vintage,

$298.89
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Rca 6181 uhf - 6181, vacuum

Rca 6181 uhf - 6181, vacuum

$165.75
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190 nos tubes sylvania sn1551b - tubes,

190 nos tubes sylvania sn1551b - tubes,

$595.00
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Thermo 290a orion - thermo,

Thermo 290a orion - thermo,

$89.00
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Amperex 7119 dual - amperex,

Amperex 7119 dual - amperex,

$29.95
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General electronics 5814a - general,

General electronics 5814a - general,

$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 industral - nos, ge

Nos 5814a 12au7 industral - nos, ge

$7.95
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Lot pcs 6n23p ev - lot, 10

Lot pcs 6n23p ev - lot, 10

$235.60
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6sl7gt nos nib sylvania dual - 6sl7gt,

6sl7gt nos nib sylvania dual - 6sl7gt,

$24.99
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Rca radiotron vacuum tube - rca,

Rca radiotron vacuum tube - rca,

$12.99
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Raytheon type triode - type,

Raytheon type triode - type,

$21.00
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6f5gt jan chs sylvania - 6f5gt,

6f5gt jan chs sylvania - 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 cca - e88cc, (6922

Tesla e88cc 6922 cca - e88cc, (6922

$149.90
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Rare vintage ge14501 3v - 2, 6.3v

Rare vintage ge14501 3v - 2, 6.3v

$18.99
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6eu7 nos nib - 6eu7, twin

6eu7 nos nib - 6eu7, twin

$27.99
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Eight 1958 general - eight,

Eight 1958 general - eight,

$38.00
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Pcs 6n6p - pcs, (ecc99,

Pcs 6n6p - pcs, (ecc99,

$18.99
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Heintz kaufman k gammatron - heintz, &

Heintz kaufman k gammatron - heintz, &

$49.88
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Rca 5563 thyratron triode - 5563-a,

Rca 5563 thyratron triode - 5563-a,

$225.00
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12ax7 telefunken twin triode - 12ax7,

12ax7 telefunken twin triode - 12ax7,

$52.99
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Korg nutube 6p1 low - 6p1, low-power

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

$50.00
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6n2p double triode with - triode,

6n2p double triode with - triode,

$16.99
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Rare nos 12ax7s - rare,

Rare nos 12ax7s - rare,

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

Rare machlett 6c21 - ml-6c21,

$425.00
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6072 - (1), ge

6072 - (1), ge

$89.99
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Lot sonotone jan 6j6wa - 4,

Lot sonotone jan 6j6wa - 4,

$14.99
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1918 type pliotron triode - pliotron,

1918 type pliotron triode - pliotron,

$99.00
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Nos taylor vacuum - vacuum, tube

Nos taylor vacuum - vacuum, tube

$28.05
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Eimac 1000h tube triode - 3-1000h, triode,nos

Eimac 1000h tube triode - 3-1000h, triode,nos

$338.00
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5751 preamp tube - 5751,

5751 preamp tube - 5751,

$19.95
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Professional melglem - professional,

Professional melglem - professional,

$24.00
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Tb5 2500 606 electron - tb5/2500, tube

Tb5 2500 606 electron - tb5/2500, 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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