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

Rca globe triode vacuum - rca,

$381.10
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Thermo scientific orion - orion, ross

Thermo scientific orion - orion, ross

$800.00
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Great pair arcturus - great,

Great pair arcturus - great,

$49.95
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Orion single junction - single,

Orion single junction - single,

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

Appears lightly used - "lightly, g.e

$129.99
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Rare nos amazing matched - nos,

Rare nos amazing matched - nos,

$495.00
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Eimac 158 8877 - 8877, high-power

Eimac 158 8877 - 8877, high-power

$550.00
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Eimac varian 826 power - eimac, y-826

Eimac varian 826 power - eimac, y-826

$99.00
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100t triode tube could be - 100t,

100t triode tube could be - 100t,

$99.99
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Sylvania vacuum tubes set - tubes,

Sylvania vacuum tubes set - tubes,

$75.00
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Rca jan crc 808 - jan,

Rca jan crc 808 - jan,

$30.00
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Manufactured western - u.s.,

Manufactured western - u.s.,

$350.00
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Stc 108a pair vintage - stc,

Stc 108a pair vintage - stc,

$234.76
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3cx10000h3 national - 3cx10000h3,

3cx10000h3 national - 3cx10000h3,

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

500z electron tube - tube, 3-500

$264.99
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Tb5 2500 606 - fu-606, tube

Tb5 2500 606 - fu-606, tube

$349.25
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New old stock original carton - new,

New old stock original carton - new,

$29.99
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Decware ufo zen triode - ufo,

Decware ufo zen triode - ufo,

$3250.00
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Dynaco mark iii mono - dynaco, tube

Dynaco mark iii mono - dynaco, tube

$650.00
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Nos national union 7n7 - 1,

Nos national union 7n7 - 1,

$25.00
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Electron tube jan - electron, 5670w

Electron tube jan - electron, 5670w

$12.00
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Taylor 203 high - taylor, 203-b

Taylor 203 high - taylor, 203-b

$79.99
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5691 rca used military spec - 5691,

5691 rca used military spec - 5691,

$64.99
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Rca 203a radiotron vacuum - radiotron,

Rca 203a radiotron vacuum - radiotron,

$84.50
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Eimac 500z triode - 3-500z,

Eimac 500z triode - 3-500z,

$339.99
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Nos testing rca 211 - (1),

Nos testing rca 211 - (1),

$350.00
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50pcs 6s52n 7895 - 7895, miniature

50pcs 6s52n 7895 - 7895, miniature

$300.00
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Vintage sleeve nos rca - of,

Vintage sleeve nos rca - of,

$3.99
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35b гс 35б - ГС-35Б, power

35b гс 35б - ГС-35Б, power

$155.00
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Vintage ther monic tvtr - vintage,

Vintage ther monic tvtr - vintage,

$220.00
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Watt hybrid directly heated - watt,

Watt hybrid directly heated - watt,

$455.00
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Tb5 2500 606 electron tube - tb5/2500,

Tb5 2500 606 electron tube - tb5/2500,

$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 - (2), cooler

35b tube with - (2), cooler

$400.00
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Vintage rca electronic - vintage,

Vintage rca electronic - vintage,

$40.00
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New nos electronic enterprises - new,

New nos electronic enterprises - new,

$219.95
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Nos nib matched - nos, pair

Nos nib matched - nos, pair

$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 tube - tb5/2500,

Tb5 2500 606 electron tube - tb5/2500,

$328.10
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Tb5 2500 606 - fu-606, electron

Tb5 2500 606 - fu-606, electron

$352.80
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New boxed phillips - boxed, 6as7ga

New boxed phillips - boxed, 6as7ga

$29.99
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Rca 211 vintage - rca, power

Rca 211 vintage - rca, power

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

Lot 958a 212 - lot, vt-212

$16.00
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Stock 4pcs 6n1p 6n1 - us, 6h1n

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

$29.00
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Raytheon ecc88 pair - raytheon,

Raytheon ecc88 pair - raytheon,

$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 vacuum - 1,

Nos delco 7n7 vacuum - 1,

$25.00
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Nos cbs hytron 7n7 vacuum - 1,

Nos cbs hytron 7n7 vacuum - 1,

$25.00
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Nice big 211 watter - big, 50

Nice big 211 watter - big, 50

$24.99
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Eimac 327 uhf transmitting - 327-a,

Eimac 327 uhf transmitting - 327-a,

$59.99
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6544 machlett shielded grid - ml-6544,

6544 machlett shielded grid - ml-6544,

$269.00
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Lot v70d united - 2,

Lot v70d united - 2,

$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, 3-500z

Eimac 500z triode - eimac, 3-500z

$37.50
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Vintage dumont brand 12bh7a - vintage,

Vintage dumont brand 12bh7a - vintage,

$16.00
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6sl7gt nos nib sylvania - sylvania, dual

6sl7gt nos nib sylvania - sylvania, dual

$24.99
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Nos hytron vacuum tube - nos,

Nos hytron vacuum tube - nos,

$150.00
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Korg nutube 6p1 - 6p1,

Korg nutube 6p1 - 6p1,

$50.00
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Croydon type 483 power triode - 483,

Croydon type 483 power triode - 483,

$28.00
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Lot pcs 6n23p ev - lot,

Lot pcs 6n23p ev - lot,

$235.60
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Genuine audiotron t - genuine,

Genuine audiotron t - genuine,

$299.99
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Western electric vt1 - vt1, vintage

Western electric vt1 - vt1, vintage

$323.93
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Nos arcturus 7n7 - 7n7, vacuum

Nos arcturus 7n7 - 7n7, vacuum

$25.00
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Valvo pair vintage triode - valvo,

Valvo pair vintage triode - valvo,

$207.32
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Eimac 129 304tl low mu - eimac, /

Eimac 129 304tl low mu - eimac, /

$29.75
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Custom dynamo 120 - custom, vacuum

Custom dynamo 120 - custom, vacuum

$400.00
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Vintage rca radiotron - radiotron, 211

Vintage rca radiotron - radiotron, 211

$699.99
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Universal aluminum heatsink - universal,

Universal aluminum heatsink - universal,

$17.96
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Lta linear tube audio - lta,

Lta linear tube audio - lta,

$1200.00
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Matching pair rca - matching,

Matching pair rca - matching,

$58.00
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3c24 cv789 matched pair - cv789,

3c24 cv789 matched pair - cv789,

$230.18
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190 nos tubes sylvania - 190,

190 nos tubes sylvania - 190,

$446.25
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Siemens rs1026 tb3 750 02 - rs1026,

Siemens rs1026 tb3 750 02 - rs1026,

$97.04
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Tungsol 6336 6336a 6336b 6528 - 6336,

Tungsol 6336 6336a 6336b 6528 - 6336,

$49.00
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Rca 8058 nuvistor tubes - rca,

Rca 8058 nuvistor tubes - rca,

$30.00
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Dynaco mark iii - dynaco,

Dynaco mark iii - dynaco,

$650.00
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Nos raytheon 12sq7gt - raytheon, vacuum

Nos raytheon 12sq7gt - raytheon, vacuum

$20.00
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Nos reliable 7n7 vacuum tube - 1,

Nos reliable 7n7 vacuum tube - 1,

$25.00
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Vintage mullard ecc33 black - vintage,

Vintage mullard ecc33 black - vintage,

$299.00
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Cetron jan 811a vacuum tubes - jan,

Cetron jan 811a vacuum tubes - jan,

$149.95
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Amperex 11826 power triode - nl,

Amperex 11826 power triode - nl,

$100.00
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Rca 5844 double triode pin - rca,

Rca 5844 double triode pin - rca,

$12.99
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Zenith type triode mesh - triode,

Zenith type triode mesh - triode,

$15.00
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Vintage cetron 300b vacuum - vintage,

Vintage cetron 300b vacuum - vintage,

$298.89
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Cetron t200 high - cetron,

Cetron t200 high - cetron,

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

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

$9.99
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Nice filament rca 6336a - 3,

Nice filament rca 6336a - 3,

$14.99
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35b tube without - gs-35b,

35b tube without - gs-35b,

$150.00
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Rare nos rca deforest 800 - rare,

Rare nos rca deforest 800 - 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

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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