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Triode

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Home / / Triode refurbished & used for sale | For Sale USA
Rca globe triode - globe,

Rca globe triode - globe,

$381.10
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Thermo scientific orion - scientific,

Thermo scientific orion - scientific,

$800.00
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Great pair arcturus - great, 6n6g

Great pair arcturus - great, 6n6g

$49.95
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Orion single junction - orion™,

Orion single junction - orion™,

$240.00
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Appears lightly used g - "lightly, used"

Appears lightly used g - "lightly, used"

$129.99
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Rare nos amazing - nos, trio

Rare nos amazing - nos, trio

$495.00
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Eimac 158 8877 - yu-158, high-power

Eimac 158 8877 - yu-158, high-power

$550.00
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Eimac varian 826 power - y-826,

Eimac varian 826 power - y-826,

$99.00
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100t triode tube could - 100t,

100t triode tube could - 100t,

$99.99
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Sylvania vacuum tubes - tubes, set

Sylvania vacuum tubes - tubes, set

$75.00
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Rca jan crc 808 vintage - rca,

Rca jan crc 808 vintage - rca,

$30.00
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Manufactured western - manufactured,

Manufactured western - manufactured,

$350.00
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Stc 108a pair - 3a/108a, vintage

Stc 108a pair - 3a/108a, vintage

$234.76
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3cx10000h3 national - 3cx10000h3,

3cx10000h3 national - 3cx10000h3,

$1999.99
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500z electron tube 500 - tube, 3-500

500z electron tube 500 - tube, 3-500

$264.99
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Tb5 2500 606 electron tube - electron,

Tb5 2500 606 electron tube - electron,

$349.25
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New old stock original carton - old,

New old stock original carton - old,

$29.99
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Decware ufo zen triode - ufo, 2.1

Decware ufo zen triode - ufo, 2.1

$3250.00
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Dynaco mark iii mono - mono, tube

Dynaco mark iii mono - mono, tube

$650.00
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Nos national union 7n7 - national,

Nos national union 7n7 - national,

$25.00
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Electron tube jan - (1), 5670w

Electron tube jan - (1), 5670w

$12.00
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Taylor 203 high - **,

Taylor 203 high - **,

$79.99
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5691 rca used military - rca,

5691 rca used military - rca,

$64.99
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Rca 203a radiotron vacuum tube - rca,

Rca 203a radiotron vacuum tube - rca,

$84.50
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Eimac 500z triode - eimac,

Eimac 500z triode - eimac,

$339.99
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Nos testing rca 211 - testing,

Nos testing rca 211 - testing,

$350.00
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50pcs 6s52n 7895 - 6s52n-v,

50pcs 6s52n 7895 - 6s52n-v,

$300.00
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Vintage sleeve nos rca - sleeve, 5

Vintage sleeve nos rca - sleeve, 5

$3.99
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35b гс 35б tube power - gs-35b, ГС-35Б

35b гс 35б tube power - gs-35b, ГС-35Б

$155.00
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Vintage ther monic - vintage, ther-monic

Vintage ther monic - vintage, ther-monic

$220.00
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Watt hybrid directly - 15,

Watt hybrid directly - 15,

$455.00
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Tb5 2500 606 - tb5/2500, fu-606

Tb5 2500 606 - tb5/2500, fu-606

$341.16
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Nos nib quad vintage 1940s - nos,

Nos nib quad vintage 1940s - nos,

$1249.99
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35b tube with cooler - (2),

35b tube with cooler - (2),

$400.00
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Vintage rca electronic - vintage,

Vintage rca electronic - vintage,

$40.00
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New nos electronic enterprises - electronic,

New nos electronic enterprises - electronic,

$219.95
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Nos nib matched pair type - nib, ge

Nos nib matched pair type - nib, ge

$299.99
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National nl11826 power triode - national,

National nl11826 power triode - national,

$250.00
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Tb5 2500 606 electron - fu-606,

Tb5 2500 606 electron - fu-606,

$328.10
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Tb5 2500 606 - tb5/2500, fu-606

Tb5 2500 606 - tb5/2500, fu-606

$352.80
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New boxed phillips ecg 6as7ga - new,

New boxed phillips ecg 6as7ga - new,

$29.99
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Rca 211 vintage power - vintage,

Rca 211 vintage power - vintage,

$1181.40
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Lot 958a 212 - vt-212, acorn

Lot 958a 212 - vt-212, acorn

$16.00
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Stock 4pcs 6n1p - us, stock!

Stock 4pcs 6n1p - us, stock!

$29.00
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Raytheon ecc88 pair - ecc88,

Raytheon ecc88 pair - ecc88,

$163.87
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Toshiba 12at7 pair - 12at7, hi-s

Toshiba 12at7 pair - 12at7, hi-s

$163.87
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Valvo pair vintage triode - valvo,

Valvo pair vintage triode - valvo,

$239.33
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Stock 6n1p 6n1 6h1n - us,

Stock 6n1p 6n1 6h1n - us,

$32.50
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Nos delco 7n7 - nos,

Nos delco 7n7 - nos,

$25.00
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Nos cbs hytron - 1, vacuum

Nos cbs hytron - 1, vacuum

$25.00
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Nice big 211 watter - nice,

Nice big 211 watter - nice,

$24.99
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Eimac 327 uhf - uhf, transmitting

Eimac 327 uhf - uhf, transmitting

$59.99
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6544 machlett shielded - machlett, grid

6544 machlett shielded - machlett, grid

$269.00
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Lot v70d united - of, x

Lot v70d united - of, x

$60.00
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Nos nib pair hytron - nib,

Nos nib pair hytron - nib,

$34.99
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Eimac 500z triode - eimac,

Eimac 500z triode - eimac,

$37.50
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Vintage dumont brand 12bh7a - dumont,

Vintage dumont brand 12bh7a - dumont,

$16.00
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6sl7gt nos nib sylvania - nos/nib,

6sl7gt nos nib sylvania - nos/nib,

$24.99
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Nos hytron vacuum - hytron, vt-62

Nos hytron vacuum - hytron, vt-62

$150.00
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Korg nutube 6p1 low - korg, low-power

Korg nutube 6p1 low - korg, low-power

$50.00
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Croydon type 483 - croydon, power

Croydon type 483 - croydon, power

$28.00
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Lot pcs 6n23p - 10, 6n23p-ev

Lot pcs 6n23p - 10, 6n23p-ev

$235.60
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Genuine audiotron t - genuine, e.t

Genuine audiotron t - genuine, e.t

$299.99
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Western electric vt1 vintage - electric,

Western electric vt1 vintage - electric,

$323.93
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Nos arcturus 7n7 - nos, vacuum

Nos arcturus 7n7 - nos, vacuum

$25.00
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Valvo pair vintage triode - ba,

Valvo pair vintage triode - ba,

$207.32
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Eimac 129 304tl - eimac, mu

Eimac 129 304tl - eimac, mu

$29.75
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Custom dynamo 120 - custom, st-120

Custom dynamo 120 - custom, st-120

$400.00
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Vintage rca radiotron 211 - vintage,

Vintage rca radiotron 211 - vintage,

$699.99
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Universal aluminum heatsink - universal,

Universal aluminum heatsink - universal,

$17.96
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Lta linear tube - lta,

Lta linear tube - lta,

$1200.00
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Matching pair rca - pair,

Matching pair rca - pair,

$58.00
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3c24 cv789 matched pair - 3c24,

3c24 cv789 matched pair - 3c24,

$230.18
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190 nos tubes sylvania sn1551b - nos,

190 nos tubes sylvania sn1551b - nos,

$446.25
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Siemens rs1026 tb3 - 1x,

Siemens rs1026 tb3 - 1x,

$97.04
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Tungsol 6336 6336a - tungsol,

Tungsol 6336 6336a - tungsol,

$49.00
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Rca 8058 nuvistor - nuvistor, tubes

Rca 8058 nuvistor - nuvistor, tubes

$30.00
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Dynaco mark iii - dynaco,

Dynaco mark iii - dynaco,

$650.00
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Nos raytheon 12sq7gt - 1,

Nos raytheon 12sq7gt - 1,

$20.00
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Nos reliable 7n7 - 1,

Nos reliable 7n7 - 1,

$25.00
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Vintage mullard ecc33 - mullard, black

Vintage mullard ecc33 - mullard, black

$299.00
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Cetron jan 811a vacuum tubes - 3,

Cetron jan 811a vacuum tubes - 3,

$149.95
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Amperex 11826 power triode - amperex, nl

Amperex 11826 power triode - amperex, nl

$100.00
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Rca 5844 double - double, triode

Rca 5844 double - double, triode

$12.99
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Zenith type triode mesh - 37,

Zenith type triode mesh - 37,

$15.00
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Vintage cetron 300b - vintage,

Vintage cetron 300b - vintage,

$298.89
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Cetron t200 high - cetron, (hf-200)

Cetron t200 high - cetron, (hf-200)

$230.00
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Rca 6lu8 med triode beam - med.-mu, triode/beam

Rca 6lu8 med triode beam - med.-mu, triode/beam

$9.99
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Nice filament rca 6336a - filament,

Nice filament rca 6336a - filament,

$14.99
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35b tube without - (2),

35b tube without - (2),

$150.00
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Rare nos rca deforest - rare, /

Rare nos rca deforest - rare, /

$190.00
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New 3cpx1500a7 high frequency - high,

New 3cpx1500a7 high frequency - high,

$1692.80
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📊92 listings · from $3.99 · avg $288.28
⚠️ These listings were last updated more than 8 days ago. Search for fresh listings

Browse 92 triode listings currently in our index. Prices range from $3.99 to $3250, with an average of $288.28. 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 92 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 $288.28 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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