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

Decware ufo zen - ufo, triode

$3250.00
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Watt hybrid directly - 15, heated

Watt hybrid directly - 15, heated

$455.00
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Thermo scientific orion ross - thermo,

Thermo scientific orion ross - 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 - eimac, 3-500z

Eimac 500z triode - eimac, 3-500z

$125.00
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Rca jan crc 808 - rca,

Rca jan crc 808 - rca,

$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 - rca, 211

Nos testing rca - rca, 211

$399.99
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Manufactured western - u.s.,

Manufactured western - u.s.,

$350.00
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Nice big 211 - uv, 50

Nice big 211 - uv, 50

$24.99
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811 beam watt - , 40

811 beam watt - , 40

$28.95
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Genuine audiotron t - genuine,

Genuine audiotron t - genuine,

$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 - orion™,

Orion single junction - orion™,

$240.00
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35b гс 35б tube power - ГС-35Б,

35b гс 35б tube power - ГС-35Б,

$155.00
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Stock 6n1p 6n1 - us,

Stock 6n1p 6n1 - us,

$32.50
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Western electric 216a vacuum - 216a,

Western electric 216a vacuum - 216a,

$149.95
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1320 tube socket nos not - nos,

1320 tube socket nos not - nos,

$920.00
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Nos nib matched - pair, ge

Nos nib matched - pair, ge

$299.99
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Nos hytron 841 - nos, tube

Nos hytron 841 - nos, tube

$100.00
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Amperex 11826 power - nl,

Amperex 11826 power - nl,

$100.00
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35b tube with - tube, cooler

35b tube with - tube, cooler

$400.00
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Vintage sleeve nos - vintage,

Vintage sleeve nos - vintage,

$3.99
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Siemens rs1026 tb3 - 1x,

Siemens rs1026 tb3 - 1x,

$97.58
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Rca 6f8g twin triode round - rca,

Rca 6f8g twin triode round - rca,

$30.00
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Rca 2a3 usa 95 vacuum - rca, vt-95

Rca 2a3 usa 95 vacuum - rca, 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 deforest 800 - rare,

Rare nos rca deforest 800 - 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 500 - electron, 3-500

500z electron tube 500 - electron, 3-500

$264.99
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Amperex usa 5868 - ax9902, rf

Amperex usa 5868 - ax9902, rf

$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,

Croydon type 483 power - type,

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

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

$27.50
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Nec 50c a10 - vacuum, tube

Nec 50c a10 - vacuum, tube

$248.00
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6ev7 vacuum tube - tube, nib

6ev7 vacuum tube - tube, nib

$7.99
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Rare arcturus 10y - arcturus,

Rare arcturus 10y - arcturus,

$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 - scientific,

Thermo scientific 8157bnumd - scientific,

$240.00
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Nos nib pair hytron - pair,

Nos nib pair hytron - pair,

$34.99
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2a3 vt95 nos nib - nos/nib, rca

2a3 vt95 nos nib - nos/nib, rca

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

Eimac 1000h tube triode for - tube, triode,for

$270.00
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Triode wire labs american - triode, labs,

Triode wire labs american - triode, labs,

$449.00
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Raytheon jan 5702wb ribbon - jan,

Raytheon jan 5702wb ribbon - jan,

$22.99
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Vintage rca radiotron 845 - radiotron,

Vintage rca radiotron 845 - radiotron,

$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 - triode, stage

Single ended triode - triode, stage

$1850.00
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Matched mil tungsol - matched, round

Matched mil tungsol - matched, round

$699.99
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Tested balanced rca 12ax7 - balanced,

Tested balanced rca 12ax7 - balanced,

$44.95
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Pcs 6n1p 6n1 - 2,

Pcs 6n1p 6n1 - 2,

$12.99
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Stock gm 70 - us, stock!

Stock gm 70 - us, stock!

$234.00
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Strong scarce deforest - deforest, type

Strong scarce deforest - deforest, type

$249.99
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Matching pair rca jan crc - rca,

Matching pair rca jan crc - rca,

$63.00
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Planar triode jan 6299 - planar,

Planar triode jan 6299 - planar,

$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 5670w - ge,

Electron tube jan 5670w - ge,

$12.00
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500zg penta laboratories - penta,

500zg penta laboratories - penta,

$660.00
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Tungsol 6336 6336a - 6336, 6336b

Tungsol 6336 6336a - 6336, 6336b

$49.00
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Machlett high power triode - machlett,

Machlett high power triode - machlett,

$125.00
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Nice 101f tube tennis ball - tube,,

Nice 101f tube tennis ball - tube,,

$310.00
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Rca 830b vacuum - rca,

Rca 830b vacuum - rca,

$37.00
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Vintage cetron 300b vacuum - cetron,

Vintage cetron 300b vacuum - cetron,

$298.89
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Rca 6181 uhf - rca,

Rca 6181 uhf - rca,

$165.75
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190 nos tubes sylvania - nos,

190 nos tubes sylvania - nos,

$595.00
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Thermo 290a orion - 290a+,

Thermo 290a orion - 290a+,

$89.00
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Amperex 7119 dual - amperex, triode

Amperex 7119 dual - amperex, triode

$29.95
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General electronics 5814a - ge,

General electronics 5814a - ge,

$35.00
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Amperex 7119 e182cc - e182cc, pq

Amperex 7119 e182cc - e182cc, pq

$39.99
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Nos 5814a 12au7 industral - 12au7,

Nos 5814a 12au7 industral - 12au7,

$7.95
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Lot pcs 6n23p - lot, 10

Lot pcs 6n23p - lot, 10

$235.60
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6sl7gt nos nib - 6sl7gt, sylvania

6sl7gt nos nib - 6sl7gt, sylvania

$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 - jan-chs-6f5gt,

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

$14.99
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Motorola 6sn7gtb vacuum - 6sn7gtb,

Motorola 6sn7gtb vacuum - 6sn7gtb,

$15.00
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Tesla e88cc 6922 cca - tesla,

Tesla e88cc 6922 cca - tesla,

$149.90
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Rare vintage ge14501 3v - 2,

Rare vintage ge14501 3v - 2,

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

6eu7 nos nib twin - nos/nib, ge

$27.99
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Eight 1958 general electric - eight,

Eight 1958 general electric - eight,

$38.00
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Pcs 6n6p - (ecc99,, e182cc)

Pcs 6n6p - (ecc99,, e182cc)

$18.99
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Heintz kaufman k gammatron - h&k,

Heintz kaufman k gammatron - h&k,

$49.88
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Rca 5563 thyratron triode - thyratron,

Rca 5563 thyratron triode - thyratron,

$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, low-power

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

$50.00
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6n2p double triode with - double,

6n2p double triode with - double,

$16.99
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Rare nos 12ax7s - rare, tubes

Rare nos 12ax7s - rare, tubes

$160.00
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Rare machlett 6c21 - machlett, /

Rare machlett 6c21 - machlett, /

$425.00
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6072 - (1), branded)

6072 - (1), branded)

$89.99
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Lot sonotone jan 6j6wa - of,

Lot sonotone jan 6j6wa - of,

$14.99
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1918 type pliotron triode - type,

1918 type pliotron triode - type,

$99.00
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Nos taylor vacuum tube - nos, tz-40

Nos taylor vacuum tube - nos, tz-40

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

Eimac 1000h tube triode - tube, 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 tube - fu-606,

Tb5 2500 606 electron tube - fu-606,

$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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