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Triode

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Triode for sale on largest auction and classifieds sites

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

Rca globe triode - rca,

$381.10
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Thermo scientific orion ross - thermo,

Thermo scientific orion ross - thermo,

$800.00
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Great pair arcturus 6n6g duo - arcturus,

Great pair arcturus 6n6g duo - arcturus,

$49.95
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Orion single junction - single,

Orion single junction - single,

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

Appears lightly used g e - **, used"

$129.99
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Rare nos amazing - rare,

Rare nos amazing - rare,

$495.00
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Eimac 158 8877 - /, high-power

Eimac 158 8877 - /, high-power

$550.00
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Eimac varian 826 power - /,

Eimac varian 826 power - /,

$99.00
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100t triode tube - -, be

100t triode tube - -, be

$99.99
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Sylvania vacuum tubes - 26,

Sylvania vacuum tubes - 26,

$75.00
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Rca jan crc 808 - rca,

Rca jan crc 808 - rca,

$30.00
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Manufactured western - u.s.,

Manufactured western - u.s.,

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

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

$234.76
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3cx10000h3 national - 3cx10000h3,

3cx10000h3 national - 3cx10000h3,

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

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

New old stock original carton - old,

$29.99
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Decware ufo zen - ufo, 2.1

Decware ufo zen - ufo, 2.1

$3250.00
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Dynaco mark iii - dynaco, mono

Dynaco mark iii - dynaco, mono

$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 - (1),

Electron tube jan - (1),

$12.00
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Taylor 203 high - taylor, 100

Taylor 203 high - taylor, 100

$79.99
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5691 rca used - used, spec

5691 rca used - used, spec

$64.99
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Rca 203a radiotron - radiotron, tube

Rca 203a radiotron - radiotron, tube

$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 miniature - 6s52n-v,

50pcs 6s52n 7895 miniature - 6s52n-v,

$300.00
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Vintage sleeve nos - sleeve, 5

Vintage sleeve nos - sleeve, 5

$3.99
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35b гс 35б tube power - gs-35b,

35b гс 35б tube power - gs-35b,

$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 - hybrid,

Watt hybrid directly heated - hybrid,

$455.00
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Tb5 2500 606 electron tube - fu-606,

Tb5 2500 606 electron tube - fu-606,

$341.16
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Nos nib quad vintage - vintage, 1940s

Nos nib quad vintage - vintage, 1940s

$1249.99
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35b tube with cooler - gs-35b,

35b tube with cooler - gs-35b,

$400.00
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Vintage rca electronic - &,

Vintage rca electronic - &,

$40.00
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New nos electronic enterprises - nos,

New nos electronic enterprises - nos,

$219.95
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Nos nib matched pair type - pair,

Nos nib matched pair type - pair,

$299.99
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National nl11826 power triode - nl11826,

National nl11826 power triode - nl11826,

$250.00
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Tb5 2500 606 electron tube - fu-606,

Tb5 2500 606 electron tube - 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 - phillips,

New boxed phillips ecg 6as7ga - phillips,

$29.99
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Rca 211 vintage - rca,

Rca 211 vintage - rca,

$1181.40
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Lot 958a 212 - lot, 4:958a

Lot 958a 212 - lot, 4:958a

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

Stock 4pcs 6n1p - 4pcs, 6n1

$29.00
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Raytheon ecc88 pair - raytheon, vintage

Raytheon ecc88 pair - raytheon, vintage

$163.87
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Toshiba 12at7 pair - toshiba,

Toshiba 12at7 pair - toshiba,

$163.87
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Valvo pair vintage - aa,

Valvo pair vintage - aa,

$239.33
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Stock 6n1p 6n1 - 4x,

Stock 6n1p 6n1 - 4x,

$32.50
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Nos delco 7n7 - 1, tube

Nos delco 7n7 - 1, tube

$25.00
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Nos cbs hytron 7n7 vacuum - cbs,

Nos cbs hytron 7n7 vacuum - cbs,

$25.00
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Nice big 211 watter - uv,

Nice big 211 watter - uv,

$24.99
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Eimac 327 uhf - 327-a,

Eimac 327 uhf - 327-a,

$59.99
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6544 machlett shielded - machlett,

6544 machlett shielded - machlett,

$269.00
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Lot v70d united - lot,

Lot v70d united - lot,

$60.00
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Nos nib pair hytron 1626 - nos,

Nos nib pair hytron 1626 - nos,

$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 - vintage,

Vintage dumont brand - vintage,

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

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

$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 - nutube,

Korg nutube 6p1 - nutube,

$50.00
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Croydon type 483 power triode - croydon,

Croydon type 483 power triode - croydon,

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

Lot pcs 6n23p - of, 6n23p-ev

$235.60
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Genuine audiotron t - genuine,

Genuine audiotron t - genuine,

$299.99
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Western electric vt1 - western,

Western electric vt1 - western,

$323.93
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Nos arcturus 7n7 vacuum tube - nos,

Nos arcturus 7n7 vacuum tube - nos,

$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 - low,

Eimac 129 304tl low mu - low,

$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 211 - rca,

Vintage rca radiotron 211 - rca,

$699.99
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Universal aluminum heatsink - aluminum,

Universal aluminum heatsink - aluminum,

$17.96
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Lta linear tube - lta,

Lta linear tube - lta,

$1200.00
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Matching pair rca - matching, jan

Matching pair rca - matching, jan

$58.00
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3c24 cv789 matched - 3c24,

3c24 cv789 matched - 3c24,

$230.18
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190 nos tubes - tubes, sn1551b

190 nos tubes - tubes, sn1551b

$446.25
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Siemens rs1026 tb3 750 02 - rs1026, tb3/750

Siemens rs1026 tb3 750 02 - rs1026, tb3/750

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

Tungsol 6336 6336a 6336b - tungsol, 6528

$49.00
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Rca 8058 nuvistor tubes - x,

Rca 8058 nuvistor tubes - x,

$30.00
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Dynaco mark iii mono - iii, tube

Dynaco mark iii mono - iii, tube

$650.00
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Nos raytheon 12sq7gt vacuum - 1,

Nos raytheon 12sq7gt vacuum - 1,

$20.00
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Nos reliable 7n7 - 1,

Nos reliable 7n7 - 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 - 811a,

Cetron jan 811a vacuum tubes - 811a,

$149.95
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Amperex 11826 power - nl,

Amperex 11826 power - nl,

$100.00
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Rca 5844 double triode - double,

Rca 5844 double triode - double,

$12.99
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Zenith type triode - zenith,

Zenith type triode - zenith,

$15.00
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Vintage cetron 300b vacuum - cetron,

Vintage cetron 300b vacuum - cetron,

$298.89
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Cetron t200 high - t200,

Cetron t200 high - t200,

$230.00
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Rca 6lu8 med triode - rca,

Rca 6lu8 med triode - rca,

$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 - (2),

35b tube without - (2),

$150.00
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Rare nos rca deforest 800 - /,

Rare nos rca deforest 800 - /,

$190.00
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New 3cpx1500a7 high - 3cpx1500a7, frequency

New 3cpx1500a7 high - 3cpx1500a7, frequency

$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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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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