For Sale USA

Kt66 tubes

4

Kt66 tubes for sale on largest auction and classifieds sites

Home / / Kt66 tubes refurbished & used for sale | For Sale USA
Pair mullard kt66 vacuum tubes - pair,

Pair mullard kt66 vacuum tubes - pair,

$399.00
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Genalex gold lion - lion, kt66

Genalex gold lion - lion, kt66

$99.99
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Electronic kt66 beam - jj,

Electronic kt66 beam - jj,

$99.99
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Sovtek tubes 4 - gt,

Sovtek tubes 4 - gt,

$144.00
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Genalex gold lion kt66 power - lion,

Genalex gold lion kt66 power - lion,

$129.99
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Lot kt66 tubes - of,

Lot kt66 tubes - of,

$3750.00
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Platinum factory match - platinum,

Platinum factory match - platinum,

$219.30
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Electron tube tubes new - electron, kt-66

Electron tube tubes new - electron, kt-66

$400.00
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Vacuum tubes valves kt66 ef86 - tubes,

Vacuum tubes valves kt66 ef86 - tubes,

$400.00
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Tad kt66 premium - kt66,

Tad kt66 premium - kt66,

$93.95
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Matched pair vacuum tube - 1,

Matched pair vacuum tube - 1,

$119.61
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Brand new tung sol - new, tung-sol

Brand new tung sol - new, tung-sol

$160.00
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6p3s tubes matched quad - tubes, nos

6p3s tubes matched quad - tubes, nos

$69.00
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New matched pair genalex - new,

New matched pair genalex - new,

$59.99
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Brimar 6l6g cv1947 kt66 nos - 6l6g,

Brimar 6l6g cv1947 kt66 nos - 6l6g,

$390.00
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Pair tad rt824 - tad, kt66

Pair tad rt824 - tad, kt66

$85.00
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Marconi kt66 tubes quad - kt66,

Marconi kt66 tubes quad - kt66,

$2799.00
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Genalex gold lion kt66 - gold,

Genalex gold lion kt66 - gold,

$120.00
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Matched pair tube amp - tube,

Matched pair tube amp - tube,

$128.00
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Matched quad kt77 - quad,

Matched quad kt77 - quad,

$95.00
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Sunvalley mono blocks - mono,

Sunvalley mono blocks - mono,

$1795.00
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Ruby kt66c kt66 audio power - audio,

Ruby kt66c kt66 audio power - audio,

$250.00
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Platinum factory match - match, 6pcs

Platinum factory match - match, 6pcs

$308.79
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6l6gc kt66 general electric - general,

6l6gc kt66 general electric - general,

$349.99
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Rare mullard el37 tube nib - rare,

Rare mullard el37 tube nib - rare,

$225.00
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Matched pair vacuum tube - 1,

Matched pair vacuum tube - 1,

$130.00
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Genalex gold lion - gold,

Genalex gold lion - gold,

$24.95
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Dualdiscgetter 6l6gc - 2,

Dualdiscgetter 6l6gc - 2,

$275.00
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Matched quad tube - tube, amp

Matched quad tube - tube, amp

$256.00
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Genalex gold lion - kt66, vacuum

Genalex gold lion - kt66, vacuum

$325.00
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Nos platinum match pair kt66 - platinum,

Nos platinum match pair kt66 - platinum,

$400.00
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Kt66 marshall premium - marshall,

Kt66 marshall premium - marshall,

$210.21
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Genalex gold lion kt66 power - genalex,

Genalex gold lion kt66 power - genalex,

$274.99
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Gec kt66 british old - british, stock

Gec kt66 british old - british, stock

$250.75
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New current matched - matched, (2)

New current matched - matched, (2)

$153.35
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Genalex gold lion - genalex, new

Genalex gold lion - genalex, new

$285.00
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Clean super matched - &,

Clean super matched - &,

$179.00
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Kt66 guitar tubes matched - kt66,

Kt66 guitar tubes matched - kt66,

$79.25
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Kt88c vacuum tube - vacuum,

Kt88c vacuum tube - vacuum,

$335.00
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Tesla kt66 tubes apex - apex,

Tesla kt66 tubes apex - apex,

$299.00
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Kt66 lve vintage retro - kt66,

Kt66 lve vintage retro - kt66,

$200.13
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Genalex gold lion kt66 new - gold,

Genalex gold lion kt66 new - gold,

$132.50
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New matched pair psvane - pair,

New matched pair psvane - pair,

$278.07
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Vintagenos usa 7027a - 1x,

Vintagenos usa 7027a - 1x,

$349.00
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Matched pair gec cv1075 - pair,

Matched pair gec cv1075 - pair,

$650.00
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Kt66 power vacuum - jj,

Kt66 power vacuum - jj,

$55.95
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Factory match - edition, )

Factory match - edition, )

$339.15
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Amplifier tubes kt66 gz34 - 14,

Amplifier tubes kt66 gz34 - 14,

$250.00
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Kt66 genalex gold lion - kt66,

Kt66 genalex gold lion - kt66,

$259.00
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Genalex gold lion kt66 new - genalex,

Genalex gold lion kt66 new - genalex,

$69.50
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Kt66 grey glass matched quad - grey,

Kt66 grey glass matched quad - grey,

$935.00
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Brand new tung sol - brand, tung-sol

Brand new tung sol - brand, tung-sol

$107.54
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6l6g 5881 6p3p - kt66, el34

6l6g 5881 6p3p - kt66, el34

$288.00
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New current matched pair - pair, (2)

New current matched pair - pair, (2)

$150.77
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Kt66 ars replaces - ,

Kt66 ars replaces - ,

$40.95
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Kt66 electronic matched - kt66, jj

Kt66 electronic matched - kt66, jj

$114.58
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New current matched octet - octet, (8)

New current matched octet - octet, (8)

$594.79
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Pair kt66 power - of,

Pair kt66 power - of,

$111.90
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Pair genalex gold - gold, lion

Pair genalex gold - gold, lion

$145.00
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Genalex gold lion kt66 power - gold,

Genalex gold lion kt66 power - gold,

$246.98
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Nos 1959 pair - 2, matching

Nos 1959 pair - 2, matching

$179.99
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Quad genalex gold lion - of,

Quad genalex gold lion - of,

$271.80
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Gec kt66 pair vacuum tubes - kt66,

Gec kt66 pair vacuum tubes - kt66,

$398.00
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7581a kt66 6l6gc power - kt66,

7581a kt66 6l6gc power - kt66,

$75.00
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Kt66 genalex gold lion matched - lion,

Kt66 genalex gold lion matched - lion,

$129.50
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Groove tubes kt66hp - kt66hp, guitar

Groove tubes kt66hp - kt66hp, guitar

$99.00
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New reissue genalex gold - genalex, lion

New reissue genalex gold - genalex, lion

$75.42
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New reissue genalex - genalex, gold

New reissue genalex - genalex, gold

$71.97
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Kt66 electronic matched - electronic,

Kt66 electronic matched - electronic,

$57.79
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Nos marconi osram mwt kt66 - osram,

Nos marconi osram mwt kt66 - osram,

$277.97
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Rare nos 6l6 6l6g kt66 - nos, german

Rare nos 6l6 6l6g kt66 - nos, german

$249.64
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For gold lion - for, golden

For gold lion - for, golden

$55.77
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Brand new tung sol - new, tung-sol

Brand new tung sol - new, tung-sol

$105.73
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Rca 7581a vacuum tubes - tubes, pair

Rca 7581a vacuum tubes - tubes, pair

$433.13
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Quad kt66 power - power, vacuum

Quad kt66 power - power, vacuum

$223.80
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New current matched quad - new,

New current matched quad - new,

$299.99
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2pcs lot new - 2pcs/lot,

2pcs lot new - 2pcs/lot,

$213.38
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Strong genelex gold lion kt66 - gold,

Strong genelex gold lion kt66 - gold,

$149.99
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Shuguang kt66 z - shuguang, treasure

Shuguang kt66 z - shuguang, treasure

$107.80
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6p3s tubes matched quad nos - tubes,

6p3s tubes matched quad nos - tubes,

$29.00
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Matched pair shuguang kt66 - pair,

Matched pair shuguang kt66 - pair,

$89.99
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Matched quad gec cv1075 - quad, (4pcs)

Matched quad gec cv1075 - quad, (4pcs)

$1250.00
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New current matched quad - matched,

New current matched quad - matched,

$305.12
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Russia philipsecg 6l6 - 6l6, gc

Russia philipsecg 6l6 - 6l6, gc

$70.21
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Kt66 6l6 sovtek tube - kt66,

Kt66 6l6 sovtek tube - kt66,

$40.50
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Tube retainer spring style for

Tube retainer spring style for

$8.97
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Genalex gold lion kt66 6l6 - gold,

Genalex gold lion kt66 6l6 - gold,

$55.00
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Rft 6l6 6l6gc 6l6g kt66 - 6l6gc,

Rft 6l6 6l6gc 6l6g kt66 - 6l6gc,

$279.00
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Kt66 marshall premium matched - ,

Kt66 marshall premium matched - ,

$105.10
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Rare italian vintage - rare, mullard

Rare italian vintage - rare, mullard

$212.54
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Kt66 electronic matched - jj,

Kt66 electronic matched - jj,

$229.16
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Gold lion kt66 vacuum tubes - gold,

Gold lion kt66 vacuum tubes - gold,

$189.99
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Rare vintage 1930 - vintage, platinum

Rare vintage 1930 - vintage, platinum

$180.00
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Brand new tung - new, reissue

Brand new tung - new, reissue

$51.32
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1matched pair kt66 art - kt66-t3,

1matched pair kt66 art - kt66-t3,

$269.22
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Mullard kt88 power vacuum - kt88,

Mullard kt88 power vacuum - kt88,

$300.00
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Looking for more kt66 tubes?

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📊96 listings · from $8.97 · avg $298.21
⚠️ These listings were last updated more than 11 days ago. Search for fresh listings

Browse 96 kt66 tubes listings currently in our index. Prices range from $8.97 to $3750, with an average of $298.21. 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 kt66 tubes →

Try this: sjpd | cat 6e | 12 pc | jordan 3 | 68 vette | mr16 led | vw ecu | keurig b31 | ctp | cg 5

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Everything you need to know about kt66 tubes

Whether you are looking for a brand-new or second-hand kt66 tubes, 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 $8.97, while premium listings can reach $3750 — giving you a wide budget spread to work with. The average price of $298.21 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.

🔍 kt66 tubes Search live on eBay