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 - pair,

Pair mullard kt66 - pair,

$399.00
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Genalex gold lion - gold,

Genalex gold lion - gold,

$99.99
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Electronic kt66 beam power - jj,

Electronic kt66 beam power - jj,

$99.99
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Sovtek tubes 4 - kt-66,

Sovtek tubes 4 - kt-66,

$144.00
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Genalex gold lion kt66 - genalex,

Genalex gold lion kt66 - genalex,

$129.99
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Lot kt66 tubes - of,

Lot kt66 tubes - of,

$3750.00
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Platinum factory match quad - platinum,

Platinum factory match quad - platinum,

$219.30
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Electron tube tubes new - tube, tubes,

Electron tube tubes new - tube, tubes,

$400.00
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Vacuum tubes valves - vacuum, ef86

Vacuum tubes valves - vacuum, ef86

$400.00
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Tad kt66 premium matched - tad,

Tad kt66 premium matched - tad,

$93.95
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Matched pair vacuum tube - vacuum,

Matched pair vacuum tube - vacuum,

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

Brand new tung sol - brand, tung-sol

$160.00
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6p3s tubes matched - 6p3s-e, nos

6p3s tubes matched - 6p3s-e, nos

$69.00
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New matched pair genalex kt77 - matched,

New matched pair genalex kt77 - matched,

$59.99
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Brimar 6l6g cv1947 - 6l6g, nos

Brimar 6l6g cv1947 - 6l6g, nos

$390.00
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Pair tad rt824 - tad, vacuum

Pair tad rt824 - tad, vacuum

$85.00
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Marconi kt66 tubes quad - marconi, nos

Marconi kt66 tubes quad - marconi, nos

$2799.00
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Genalex gold lion kt66 - genalex,

Genalex gold lion kt66 - genalex,

$120.00
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Matched pair tube amp doctor - tube,

Matched pair tube amp doctor - tube,

$128.00
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Matched quad kt77 power - quad, jj

Matched quad kt77 power - quad, jj

$95.00
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Sunvalley mono blocks tubes - mono,

Sunvalley mono blocks tubes - mono,

$1795.00
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Ruby kt66c kt66 - ruby, power

Ruby kt66c kt66 - ruby, power

$250.00
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Platinum factory match - factory,

Platinum factory match - factory,

$308.79
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6l6gc kt66 general electric - 6l6gc/kt66, ge

6l6gc kt66 general electric - 6l6gc/kt66, ge

$349.99
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Rare mullard el37 tube nib - mullard,

Rare mullard el37 tube nib - mullard,

$225.00
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Matched pair vacuum - pair,

Matched pair vacuum - pair,

$130.00
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Genalex gold lion kt66 - genalex, power

Genalex gold lion kt66 - genalex, power

$24.95
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Dualdiscgetter 6l6gc - 2,

Dualdiscgetter 6l6gc - 2,

$275.00
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Matched quad tube amp - amp, doctor

Matched quad tube amp - amp, doctor

$256.00
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Genalex gold lion - gold,

Genalex gold lion - gold,

$325.00
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Nos platinum match - platinum,

Nos platinum match - platinum,

$400.00
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Kt66 marshall premium matched - marshall,

Kt66 marshall premium matched - 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 - kt66,

Gec kt66 british old - kt66,

$250.75
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New current matched - current,

New current matched - current,

$153.35
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Genalex gold lion kt66 new - lion,

Genalex gold lion kt66 new - lion,

$285.00
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Clean super matched pair - 2,

Clean super matched pair - 2,

$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 valve - , 4pcs

Kt88c vacuum tube valve - , 4pcs

$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 retro - vintage,

Kt66 lve vintage retro - vintage,

$200.13
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Genalex gold lion kt66 - genalex, new

Genalex gold lion kt66 - genalex, new

$132.50
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New matched pair psvane - new!!!, 1

New matched pair psvane - new!!!, 1

$278.07
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Vintagenos usa 7027a - ge,

Vintagenos usa 7027a - ge,

$349.00
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Matched pair gec cv1075 - matched, (2pcs)

Matched pair gec cv1075 - matched, (2pcs)

$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 match - ),

$339.15
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Amplifier tubes kt66 - amplifier,

Amplifier tubes kt66 - amplifier,

$250.00
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Kt66 genalex gold lion - genalex,

Kt66 genalex gold lion - genalex,

$259.00
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Genalex gold lion kt66 - lion,

Genalex gold lion kt66 - lion,

$69.50
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Kt66 grey glass matched - kt66,

Kt66 grey glass matched - kt66,

$935.00
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Brand new tung - brand, reissue

Brand new tung - brand, reissue

$107.54
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6l6g 5881 6p3p kt66 - 6l6g,

6l6g 5881 6p3p kt66 - 6l6g,

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

New current matched pair - matched, (2)

$150.77
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Kt66 ars replaces - 1,

Kt66 ars replaces - 1,

$40.95
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Kt66 electronic matched - jj,

Kt66 electronic matched - jj,

$114.58
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New current matched octet - current,

New current matched octet - current,

$594.79
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Pair kt66 power - of,

Pair kt66 power - of,

$111.90
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Pair genalex gold lion kt66 - genalex,

Pair genalex gold lion kt66 - genalex,

$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 close matching - nos,

Nos 1959 pair close matching - nos,

$179.99
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Quad genalex gold lion - quad,

Quad genalex gold lion - quad,

$271.80
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Gec kt66 pair vacuum - kt66,

Gec kt66 pair vacuum - kt66,

$398.00
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7581a kt66 6l6gc power - ge,

7581a kt66 6l6gc power - ge,

$75.00
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Kt66 genalex gold - gold, matched

Kt66 genalex gold - gold, matched

$129.50
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Groove tubes kt66hp guitar - kt66hp,

Groove tubes kt66hp guitar - kt66hp,

$99.00
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New reissue genalex gold lion - gold,

New reissue genalex gold lion - gold,

$75.42
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New reissue genalex gold - gold, lion

New reissue genalex gold - gold, lion

$71.97
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Kt66 electronic matched - jj,

Kt66 electronic matched - jj,

$57.79
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Nos marconi osram mwt - nos, kt66

Nos marconi osram mwt - nos, kt66

$277.97
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Rare nos 6l6 - 6l6, german

Rare nos 6l6 - 6l6, german

$249.64
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For gold lion - gold,

For gold lion - gold,

$55.77
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Brand new tung - new, reissue

Brand new tung - new, reissue

$105.73
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Rca 7581a vacuum tubes - vacuum,

Rca 7581a vacuum tubes - vacuum,

$433.13
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Quad kt66 power vacuum - jj,

Quad kt66 power vacuum - jj,

$223.80
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New current matched quad - matched, (4)

New current matched quad - matched, (4)

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

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

$213.38
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Strong genelex gold - genelex,

Strong genelex gold - genelex,

$149.99
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Shuguang kt66 z treasure - 2, x

Shuguang kt66 z treasure - 2, x

$107.80
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6p3s tubes matched quad - 6p3s,

6p3s tubes matched quad - 6p3s,

$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 - matched, (4pcs)

Matched quad gec - matched, (4pcs)

$1250.00
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New current matched - current,

New current matched - current,

$305.12
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Russia philipsecg 6l6 gc - russia,

Russia philipsecg 6l6 gc - russia,

$70.21
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Kt66 6l6 sovtek tube - sovtek,

Kt66 6l6 sovtek tube - sovtek,

$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 - gold,

Genalex gold lion - gold,

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

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

$279.00
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Kt66 marshall premium - ,

Kt66 marshall premium - ,

$105.10
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Rare italian vintage mullard - vintage,

Rare italian vintage mullard - vintage,

$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 platinum - rare,

Rare vintage 1930 platinum - rare,

$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 - mullard,

Mullard kt88 power - mullard,

$300.00
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📊96 listings · from $8.97 · avg $298.21
⚠️ These listings were last updated more than 12 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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