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 - kt66, tubes

Pair mullard kt66 - kt66, tubes

$399.00
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Genalex gold lion kt66 power - gold,

Genalex gold lion kt66 power - gold,

$99.99
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Electronic kt66 beam - jj, power

Electronic kt66 beam - jj, power

$99.99
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Sovtek tubes 4 - sovtek,

Sovtek tubes 4 - sovtek,

$144.00
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Genalex gold lion - gold, power

Genalex gold lion - gold, power

$129.99
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Lot kt66 tubes - of,

Lot kt66 tubes - of,

$3750.00
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Platinum factory match quad - match,

Platinum factory match quad - match,

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

Electron tube tubes - kt-66, tubes,

$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 matched - -,

Tad kt66 premium matched - -,

$93.95
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Matched pair vacuum - 1, tube

Matched pair vacuum - 1, tube

$119.61
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Brand new tung sol - brand,

Brand new tung sol - brand,

$160.00
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6p3s tubes matched quad nos - quad,

6p3s tubes matched quad nos - quad,

$69.00
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New matched pair - new,

New matched pair - 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 - rt824, kt66

Pair tad rt824 - rt824, kt66

$85.00
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Marconi kt66 tubes - tubes, quad

Marconi kt66 tubes - tubes, quad

$2799.00
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Genalex gold lion kt66 power - genalex,

Genalex gold lion kt66 power - genalex,

$120.00
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Matched pair tube - matched,

Matched pair tube - matched,

$128.00
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Matched quad kt77 power - jj,

Matched quad kt77 power - jj,

$95.00
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Sunvalley mono blocks tubes - sunvalley,

Sunvalley mono blocks tubes - sunvalley,

$1795.00
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Ruby kt66c kt66 audio - ruby,

Ruby kt66c kt66 audio - ruby,

$250.00
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Platinum factory match 6pcs - factory,

Platinum factory match 6pcs - factory,

$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 kt66 power - genalex,

Genalex gold lion kt66 power - genalex,

$24.95
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Dualdiscgetter 6l6gc - 2,

Dualdiscgetter 6l6gc - 2,

$275.00
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Matched quad tube - amp, doctor

Matched quad tube - amp, doctor

$256.00
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Genalex gold lion - gold, kt66

Genalex gold lion - gold, kt66

$325.00
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Nos platinum match - nos,

Nos platinum match - nos,

$400.00
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Kt66 marshall premium matched - kt66,

Kt66 marshall premium matched - kt66,

$210.21
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Genalex gold lion kt66 power - lion,

Genalex gold lion kt66 power - lion,

$274.99
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Gec kt66 british - british, old

Gec kt66 british - british, old

$250.75
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New current matched - new,

New current matched - new,

$153.35
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Genalex gold lion - gold,

Genalex gold lion - gold,

$285.00
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Clean super matched - super,

Clean super matched - super,

$179.00
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Kt66 guitar tubes - kt66,

Kt66 guitar tubes - kt66,

$79.25
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Kt88c vacuum tube valve - kt88c,

Kt88c vacuum tube valve - kt88c,

$335.00
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Tesla kt66 tubes apex - jj,

Tesla kt66 tubes apex - jj,

$299.00
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Kt66 lve vintage - lve, retro

Kt66 lve vintage - lve, retro

$200.13
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Genalex gold lion - gold, kt66

Genalex gold lion - gold, kt66

$132.50
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New matched pair psvane - matched,

New matched pair psvane - matched,

$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 tube - kt66,

Kt66 power vacuum tube - kt66,

$55.95
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Factory match - factory,

Factory match - factory,

$339.15
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Amplifier tubes kt66 - kt66, gz34

Amplifier tubes kt66 - kt66, gz34

$250.00
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Kt66 genalex gold lion matched - genalex,

Kt66 genalex gold lion matched - genalex,

$259.00
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Genalex gold lion kt66 new - gold,

Genalex gold lion kt66 new - gold,

$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 reissue - new,

Brand new tung sol reissue - new,

$107.54
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6l6g 5881 6p3p - us, el34

6l6g 5881 6p3p - us, el34

$288.00
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New current matched pair - current,

New current matched pair - current,

$150.77
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Kt66 ars replaces - ars,

Kt66 ars replaces - ars,

$40.95
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Kt66 electronic matched - kt66,

Kt66 electronic matched - kt66,

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

New current matched octet - current, (8)

$594.79
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Pair kt66 power vacuum - of, jj

Pair kt66 power vacuum - of, jj

$111.90
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Pair genalex gold lion - pair,

Pair genalex gold lion - pair,

$145.00
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Genalex gold lion - kt66, power

Genalex gold lion - kt66, power

$246.98
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Nos 1959 pair - 1959, close

Nos 1959 pair - 1959, close

$179.99
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Quad genalex gold - quad, lion

Quad genalex gold - quad, lion

$271.80
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Gec kt66 pair vacuum - gec,

Gec kt66 pair vacuum - gec,

$398.00
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7581a kt66 6l6gc - 7581a, power

7581a kt66 6l6gc - 7581a, power

$75.00
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Kt66 genalex gold lion matched - gold,

Kt66 genalex gold lion matched - gold,

$129.50
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Groove tubes kt66hp - groove,

Groove tubes kt66hp - groove,

$99.00
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New reissue genalex gold lion - reissue,

New reissue genalex gold lion - reissue,

$75.42
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New reissue genalex - reissue, gold

New reissue genalex - reissue, gold

$71.97
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Kt66 electronic matched - jj,

Kt66 electronic matched - jj,

$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 - 6l6, german

Rare nos 6l6 6l6g - 6l6, german

$249.64
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For gold lion - golden,

For gold lion - golden,

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

Brand new tung sol reissue - tung-sol,

$105.73
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Rca 7581a vacuum tubes pair - rca,

Rca 7581a vacuum tubes pair - rca,

$433.13
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Quad kt66 power vacuum - kt66,

Quad kt66 power vacuum - kt66,

$223.80
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New current matched - quad, (4)

New current matched - quad, (4)

$299.99
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2pcs lot new kt66 - 2pcs/lot, kt66-z

2pcs lot new kt66 - 2pcs/lot, kt66-z

$213.38
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Strong genelex gold lion kt66 - genelex,

Strong genelex gold lion kt66 - genelex,

$149.99
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Shuguang kt66 z - x, kt66-z

Shuguang kt66 z - x, kt66-z

$107.80
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6p3s tubes matched - 6p3s, quad

6p3s tubes matched - 6p3s, quad

$29.00
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Matched pair shuguang kt66 - matched,

Matched pair shuguang kt66 - matched,

$89.99
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Matched quad gec cv1075 - quad,

Matched quad gec cv1075 - quad,

$1250.00
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New current matched quad - new, (4)

New current matched quad - new, (4)

$305.12
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Russia philipsecg 6l6 - 3,

Russia philipsecg 6l6 - 3,

$70.21
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Kt66 6l6 sovtek tube gray - gt,

Kt66 6l6 sovtek tube gray - gt,

$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 - genalex,

Genalex gold lion - genalex,

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

Rft 6l6 6l6gc 6l6g - 6l6,

$279.00
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Kt66 marshall premium matched - ,

Kt66 marshall premium matched - ,

$105.10
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Rare italian vintage - rare,

Rare italian vintage - rare,

$212.54
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Kt66 electronic matched - jj,

Kt66 electronic matched - jj,

$229.16
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Gold lion kt66 - lion,

Gold lion kt66 - lion,

$189.99
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Rare vintage 1930 - , 1930's

Rare vintage 1930 - , 1930's

$180.00
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Brand new tung sol - new, tung-sol

Brand new tung sol - new, tung-sol

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

1matched pair kt66 - 1matched, kt66-t3

$269.22
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Mullard kt88 power vacuum - power,

Mullard kt88 power vacuum - power,

$300.00
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📊96 listings · from $8.97 · avg $298.21
⚠️ These listings were last updated more than 9 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.

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