Kt66

4

Kt66 for sale on largest auction and classifieds sites

Home / / Kt66 refurbished & used for sale | For Sale USA
Pair genalex england kt66 - genalex, gray

Pair genalex england kt66 - genalex, gray

$495.00
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Genalex gold lion kt66 power - lion,

Genalex gold lion kt66 power - lion,

$99.99
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Pair mullard kt66 - pair, tubes

Pair mullard kt66 - pair, tubes

$399.00
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Tad kt66 premium - -, matched

Tad kt66 premium - -, matched

$93.95
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Matched pair gec cv1075 - matched, (2pcs)

Matched pair gec cv1075 - matched, (2pcs)

$650.00
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Sovtek tubes 4 pack - sovtek, 4-pack

Sovtek tubes 4 pack - sovtek, 4-pack

$144.00
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Rare mullard el37 tube - rare, nib

Rare mullard el37 tube - rare, nib

$225.00
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Electronic kt66 beam - jj,

Electronic kt66 beam - jj,

$99.99
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Matched pair tube amp - matched,

Matched pair tube amp - matched,

$128.00
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Brand new tung sol - brand,

Brand new tung sol - brand,

$160.00
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Nos platinum match pair kt66 - nos,

Nos platinum match pair kt66 - nos,

$400.00
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Genalex gold lion - lion, power

Genalex gold lion - lion, power

$129.99
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Brimar 6l6g cv1947 kt66 - cv1947,

Brimar 6l6g cv1947 kt66 - cv1947,

$390.00
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Matched quad tube amp - quad,

Matched quad tube amp - quad,

$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, boxed

Kt66 cv1075 gec - nos, boxed

$665.25
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Gec kt66 nos - kt66, pair

Gec kt66 nos - kt66, pair

$475.00
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Sunvalley mono blocks tubes - sunvalley,

Sunvalley mono blocks tubes - sunvalley,

$1795.00
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Matched quad kt77 - matched, jj

Matched quad kt77 - matched, jj

$90.00
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Platinum factory match - platinum,

Platinum factory match - platinum,

$258.00
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Kt66 lve vintage retro - vintage, style

Kt66 lve vintage retro - vintage, style

$201.23
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Kt66 cv1075 gec matched - gec, kb/z

Kt66 cv1075 gec matched - gec, kb/z

$672.50
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Genalex gold lion - gold, vacuum

Genalex gold lion - gold, vacuum

$325.00
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Genalex gold lion kt66 - lion, new

Genalex gold lion kt66 - lion, new

$285.00
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Genalex gold lion - genalex, power

Genalex gold lion - genalex, power

$24.95
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Pair tad rt824 kt66 - rt824,

Pair tad rt824 kt66 - rt824,

$85.00
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Kt66 gold tad original - gold,

Kt66 gold tad original - 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 - new,

New matched pair genalex kt77 - new,

$59.99
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Kt88c vacuum tube - vacuum, 4pcs

Kt88c vacuum tube - vacuum, 4pcs

$335.00
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Tad premium selected - tad,

Tad premium selected - tad,

$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,

Kewtech kt66dl 1 - kewtech,

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

Rca 6l6gc 7581a kt66 beam - /kt66,

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

7581a kt66 6l6gc power tube - kt66,

$75.00
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Pair kt66 power - jj,

Pair kt66 power - jj,

$111.90
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Kt66 grey glass matched quad - glass,

Kt66 grey glass matched quad - glass,

$935.00
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Gec kt66 pair vacuum - gec, tubes

Gec kt66 pair vacuum - gec, tubes

$398.00
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Rare nos 6l6 6l6g kt66 - nos,

Rare nos 6l6 6l6g kt66 - nos,

$249.64
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Sovtek tube tv7 - tube,

Sovtek tube tv7 - tube,

$40.00
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Marconi kt66 tubes quad - marconi,

Marconi kt66 tubes quad - marconi,

$2799.00
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Genalex gold lion - gold, kt66

Genalex gold lion - gold, kt66

$120.00
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Relco genalex tube - genalex, gray

Relco genalex tube - genalex, gray

$600.00
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Kt66 genalex gold lion matched - kt66,

Kt66 genalex gold lion matched - kt66,

$259.00
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6p3s tubes matched quad nos - 6p3s-e,

6p3s tubes matched quad nos - 6p3s-e,

$69.00
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Kt66 ars replaces - ,

Kt66 ars replaces - ,

$40.95
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Kt66 electronic matched - electronic,

Kt66 electronic matched - electronic,

$114.58
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Rare italian vintage mullard - rare,

Rare italian vintage mullard - rare,

$212.54
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Kt66 power vacuum tube - kt66,

Kt66 power vacuum tube - kt66,

$55.95
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Strong genelex gold lion kt66 - strong,

Strong genelex gold lion kt66 - strong,

$149.99
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Kt66 electronic matched - electronic,

Kt66 electronic matched - electronic,

$57.79
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Quad kt66 power vacuum - of, jj

Quad kt66 power vacuum - of, jj

$223.80
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Tube amp higher temp dampers - 4,

Tube amp higher temp dampers - 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 - pair,

Matched pair vacuum tube - pair,

$119.61
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Vintage genalex gec - vintage,

Vintage genalex gec - vintage,

$249.00
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Clean super matched pair - &,

Clean super matched pair - &,

$179.00
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Genalex gold lion kt66 - gold,

Genalex gold lion kt66 - gold,

$132.50
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Ruby kt66c kt66 audio power - kt66c,

Ruby kt66c kt66 audio power - kt66c,

$250.00
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Kt66 marshall premium matched - kt66,

Kt66 marshall premium matched - kt66,

$211.32
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Kt66 lve vintage - lve, retro

Kt66 lve vintage - lve, retro

$100.07
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Lot kt66 tubes - kt66,

Lot kt66 tubes - kt66,

$3750.00
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Brand new tung - new, tung-sol

Brand new tung - new, tung-sol

$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 - 1x, ge

Vintagenos usa 7027a - 1x, ge

$349.00
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New reissue genalex - reissue,

New reissue genalex - reissue,

$71.97
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10pc 8pin octal - 10pc,

10pc 8pin octal - 10pc,

$31.85
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Tube amp dampers for - 4,

Tube amp dampers for - 4,

$12.99
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Kt66 guitar tubes - pm, matched

Kt66 guitar tubes - pm, matched

$79.25
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2pcs matched audio - 2pcs,

2pcs matched audio - 2pcs,

$248.99
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Electron tube tubes new - electron,

Electron tube tubes new - electron,

$400.00
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Shuguang kt66 z - shuguang, kt66-z

Shuguang kt66 z - shuguang, kt66-z

$107.80
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New current matched - matched, pair

New current matched - matched, pair

$150.77
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Genalex gold lion kt66 6l6 - lion,

Genalex gold lion kt66 6l6 - lion,

$55.00
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Vintagenos cv1947 stc - 1x,

Vintagenos cv1947 stc - 1x,

$1049.00
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Nos marconi osram - marconi, mwt

Nos marconi osram - marconi, mwt

$277.97
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Genalex gold lion kt66 - kt66, new

Genalex gold lion kt66 - kt66, new

$69.50
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Vintagenos sylvania 6l6g - 1x,

Vintagenos sylvania 6l6g - 1x,

$949.00
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Kt66 tube amp - kt66, premium

Kt66 tube amp - kt66, premium

$50.95
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Brand new tung sol reissue - new,

Brand new tung sol reissue - new,

$51.32
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New current matched quad - matched, (4)

New current matched quad - matched, (4)

$305.12
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Kt66 genalex gold - kt66, lion

Kt66 genalex gold - kt66, lion

$129.50
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Genalex gold lion kt66 power - genalex,

Genalex gold lion kt66 power - genalex,

$67.95
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Genalex gold lion - lion, power

Genalex gold lion - lion, power

$358.77
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Dualdiscgetter 6l6gc - 2,

Dualdiscgetter 6l6gc - 2,

$275.00
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Vacuum tube shuguang nos - shuguang,

Vacuum tube shuguang nos - shuguang,

$29.89
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Kt66 marconi pair - pair, used

Kt66 marconi pair - pair, used

$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 tube - kt66, gray

Kt66 6l6 sovtek tube - kt66, gray

$36.00
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Brand new tung sol reissue - brand,

Brand new tung sol reissue - brand,

$105.73
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1961 genalex kt66 amplifier - kt66,

1961 genalex kt66 amplifier - kt66,

$231.74
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Quad genalex gold lion - quad,

Quad genalex gold lion - quad,

$271.80
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New reissue genalex - new,

New reissue genalex - new,

$75.42
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Kt66 6l6 sovtek tube gray - gt,

Kt66 6l6 sovtek tube gray - gt,

$40.50
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Mullard kt88 power - power, vacuum

Mullard kt88 power - power, vacuum

$300.00
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Genalex gold lion custom tube - genalex,

Genalex gold lion custom tube - genalex,

$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.

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