Kt66

4

Kt66 for sale on largest auction and classifieds sites

Home / / Kt66 refurbished & used for sale | For Sale USA
Pair genalex england - pair,

Pair genalex england - pair,

$495.00
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Genalex gold lion kt66 power - genalex,

Genalex gold lion kt66 power - genalex,

$99.99
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Pair mullard kt66 vacuum - pair,

Pair mullard kt66 vacuum - pair,

$399.00
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Tad kt66 premium matched - kt66,

Tad kt66 premium matched - kt66,

$93.95
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Matched pair gec cv1075 - pair,

Matched pair gec cv1075 - pair,

$650.00
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Sovtek tubes 4 - kt-66,

Sovtek tubes 4 - kt-66,

$144.00
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Rare mullard el37 tube nib - mullard,

Rare mullard el37 tube nib - mullard,

$225.00
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Electronic kt66 beam power - jj,

Electronic kt66 beam power - jj,

$99.99
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Matched pair tube amp doctor - tube,

Matched pair tube amp doctor - tube,

$128.00
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Brand new tung - brand,

Brand new tung - brand,

$160.00
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Nos platinum match pair - nos,

Nos platinum match pair - nos,

$400.00
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Genalex gold lion kt66 power - gold,

Genalex gold lion kt66 power - gold,

$129.99
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Brimar 6l6g cv1947 - 6l6g, kt66

Brimar 6l6g cv1947 - 6l6g, kt66

$390.00
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Matched quad tube - amp, doctor

Matched quad tube - amp, doctor

$256.00
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Gec kt66 british old stock - gec,

Gec kt66 british old stock - gec,

$250.75
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Kt66 cv1075 gec nos - cv1075,

Kt66 cv1075 gec nos - cv1075,

$665.25
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Gec kt66 nos vintage pair - kt66,

Gec kt66 nos vintage pair - kt66,

$475.00
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Sunvalley mono blocks tubes - mono,

Sunvalley mono blocks tubes - mono,

$1795.00
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Matched quad kt77 power - quad,

Matched quad kt77 power - quad,

$90.00
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Platinum factory match quad - platinum,

Platinum factory match quad - platinum,

$258.00
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Kt66 lve vintage - kt66, retro

Kt66 lve vintage - kt66, retro

$201.23
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Kt66 cv1075 gec - kt66, kb/z

Kt66 cv1075 gec - kt66, kb/z

$672.50
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Genalex gold lion kt66 vacuum - lion,

Genalex gold lion kt66 vacuum - lion,

$325.00
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Genalex gold lion kt66 new - genalex,

Genalex gold lion kt66 new - genalex,

$285.00
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Genalex gold lion - gold, power

Genalex gold lion - gold, power

$24.95
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Pair tad rt824 kt66 - pair,

Pair tad rt824 kt66 - pair,

$85.00
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Kt66 gold tad - gold,

Kt66 gold tad - gold,

$100.88
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Matched pair gec cv1075 - pair,

Matched pair gec cv1075 - pair,

$650.00
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New matched pair genalex kt77 - matched,

New matched pair genalex kt77 - matched,

$59.99
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Kt88c vacuum tube - ,

Kt88c vacuum tube - ,

$335.00
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Tad premium selected - premium, factory

Tad premium selected - premium, factory

$299.00
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Relco mullard genalex kt66 - relco,

Relco mullard genalex kt66 - relco,

$1495.00
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Kewtech kt66dl 1 - kewtech, 12-in-1

Kewtech kt66dl 1 - kewtech, 12-in-1

$799.99
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Rca 6l6gc 7581a - 6l6gc/7581a, /kt66

Rca 6l6gc 7581a - 6l6gc/7581a, /kt66

$45.00
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7581a kt66 6l6gc power tube - 7581a,

7581a kt66 6l6gc power tube - 7581a,

$75.00
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Pair kt66 power - jj,

Pair kt66 power - jj,

$111.90
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Kt66 grey glass - kt66, matched

Kt66 grey glass - kt66, matched

$935.00
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Gec kt66 pair vacuum tubes - kt66,

Gec kt66 pair vacuum tubes - kt66,

$398.00
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Rare nos 6l6 - 6l6g, kt66

Rare nos 6l6 - 6l6g, kt66

$249.64
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Sovtek tube tv7 test - tube,

Sovtek tube tv7 test - tube,

$40.00
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Marconi kt66 tubes quad nos - marconi,

Marconi kt66 tubes quad nos - marconi,

$2799.00
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Genalex gold lion - gold,

Genalex gold lion - gold,

$120.00
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Relco genalex tube - kt-66,

Relco genalex tube - kt-66,

$600.00
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Kt66 genalex gold - kt66,

Kt66 genalex gold - kt66,

$259.00
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6p3s tubes matched - tubes, nos

6p3s tubes matched - tubes, nos

$69.00
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Kt66 ars replaces - ,

Kt66 ars replaces - ,

$40.95
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Kt66 electronic matched - jj,

Kt66 electronic matched - jj,

$114.58
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Rare italian vintage mullard - italian,

Rare italian vintage mullard - italian,

$212.54
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Kt66 power vacuum - kt66,

Kt66 power vacuum - kt66,

$55.95
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Strong genelex gold - strong,

Strong genelex gold - strong,

$149.99
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Kt66 electronic matched - kt66,

Kt66 electronic matched - kt66,

$57.79
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Quad kt66 power vacuum - quad, jj

Quad kt66 power vacuum - quad, jj

$223.80
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Tube amp higher temp - 4,

Tube amp higher temp - 4,

$22.99
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Rft 6l6 6l6gc 6l6g kt66 - rft,

Rft 6l6 6l6gc 6l6g kt66 - rft,

$279.00
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Matched pair vacuum tube - 1,

Matched pair vacuum tube - 1,

$119.61
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Vintage genalex gec - /,

Vintage genalex gec - /,

$249.00
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Clean super matched pair - 2,

Clean super matched pair - 2,

$179.00
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Genalex gold lion kt66 - kt66, new

Genalex gold lion kt66 - kt66, new

$132.50
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Ruby kt66c kt66 audio power - ruby,

Ruby kt66c kt66 audio power - ruby,

$250.00
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Kt66 marshall premium matched - marshall,

Kt66 marshall premium matched - marshall,

$211.32
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Kt66 lve vintage - kt66, retro

Kt66 lve vintage - kt66, retro

$100.07
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Lot kt66 tubes - of,

Lot kt66 tubes - of,

$3750.00
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Brand new tung - new, reissue

Brand new tung - new, reissue

$107.54
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Genalex gold lion kt66 power - lion,

Genalex gold lion kt66 power - lion,

$246.98
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Vintagenos usa 7027a - ge,

Vintagenos usa 7027a - ge,

$349.00
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New reissue genalex - reissue, lion

New reissue genalex - reissue, lion

$71.97
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10pc 8pin octal tube socket - 8pin,

10pc 8pin octal tube socket - 8pin,

$31.85
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Tube amp dampers for - amp,

Tube amp dampers for - amp,

$12.99
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Kt66 guitar tubes - tubes, matched

Kt66 guitar tubes - tubes, matched

$79.25
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2pcs matched audio tube - 2pcs,

2pcs matched audio tube - 2pcs,

$248.99
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Electron tube tubes - tube, new

Electron tube tubes - tube, new

$400.00
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Shuguang kt66 z treasure - 2, x

Shuguang kt66 z treasure - 2, x

$107.80
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New current matched pair - current,

New current matched pair - current,

$150.77
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Genalex gold lion - genalex, kt66

Genalex gold lion - genalex, kt66

$55.00
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Vintagenos cv1947 stc - vintagenos,

Vintagenos cv1947 stc - vintagenos,

$1049.00
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Nos marconi osram mwt kt66 - marconi,

Nos marconi osram mwt kt66 - marconi,

$277.97
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Genalex gold lion - genalex,

Genalex gold lion - genalex,

$69.50
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Vintagenos sylvania 6l6g - 1x,

Vintagenos sylvania 6l6g - 1x,

$949.00
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Kt66 tube amp - tube,

Kt66 tube amp - tube,

$50.95
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Brand new tung sol reissue - brand,

Brand new tung sol reissue - brand,

$51.32
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New current matched quad - new,

New current matched quad - new,

$305.12
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Kt66 genalex gold - gold, lion

Kt66 genalex gold - gold, lion

$129.50
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Genalex gold lion kt66 power - -,

Genalex gold lion kt66 power - -,

$67.95
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Genalex gold lion kt66 - gold, power

Genalex gold lion kt66 - gold, power

$358.77
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Dualdiscgetter 6l6gc - 2,

Dualdiscgetter 6l6gc - 2,

$275.00
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Vacuum tube shuguang nos - 1,

Vacuum tube shuguang nos - 1,

$29.89
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Kt66 marconi pair used - marconi,

Kt66 marconi pair used - marconi,

$370.23
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Vintage genalex gec kt66 - 1,

Vintage genalex gec kt66 - 1,

$269.00
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Kt66 6l6 sovtek - 6l6,

Kt66 6l6 sovtek - 6l6,

$36.00
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Brand new tung - brand, reissue

Brand new tung - brand, reissue

$105.73
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1961 genalex kt66 - 1961,

1961 genalex kt66 - 1961,

$231.74
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Quad genalex gold - of,

Quad genalex gold - of,

$271.80
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New reissue genalex - genalex, gold

New reissue genalex - genalex, gold

$75.42
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Kt66 6l6 sovtek tube - kt66,

Kt66 6l6 sovtek tube - kt66,

$40.50
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Mullard kt88 power vacuum - mullard,

Mullard kt88 power vacuum - mullard,

$300.00
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Genalex gold lion custom tube - gold,

Genalex gold lion custom tube - gold,

$234.45
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📊96 listings · from $12.99 · avg $331.25

Browse 96 kt66 listings currently in our index. Prices range from $12.99 to $3750, with an average of $331.25. 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 →

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Everything you need to know about kt66

Whether you are looking for a brand-new or second-hand kt66, 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 $12.99, while premium listings can reach $3750 — giving you a wide budget spread to work with. The average price of $331.25 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 Search live on eBay