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,

Pair genalex england kt66 - genalex,

$495.00
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Genalex gold lion kt66 - lion,

Genalex gold lion kt66 - lion,

$99.99
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Pair mullard kt66 vacuum tubes - pair,

Pair mullard kt66 vacuum tubes - pair,

$399.00
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Tad kt66 premium - kt66, matched

Tad kt66 premium - kt66, matched

$93.95
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Matched pair gec cv1075 - matched,

Matched pair gec cv1075 - matched,

$650.00
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Sovtek tubes 4 pack - sovtek,

Sovtek tubes 4 pack - sovtek,

$144.00
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Rare mullard el37 - mullard, nib

Rare mullard el37 - mullard, nib

$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 - pair, doctor

Matched pair tube amp - pair, doctor

$128.00
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Brand new tung - new, tung-sol

Brand new tung - new, tung-sol

$160.00
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Nos platinum match pair - platinum,

Nos platinum match pair - platinum,

$400.00
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Genalex gold lion kt66 - genalex,

Genalex gold lion kt66 - genalex,

$129.99
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Brimar 6l6g cv1947 kt66 nos - cv1947,

Brimar 6l6g cv1947 kt66 nos - cv1947,

$390.00
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Matched quad tube amp - matched, doctor

Matched quad tube amp - matched, doctor

$256.00
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Gec kt66 british old stock - kt66,

Gec kt66 british old stock - kt66,

$250.75
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Kt66 cv1075 gec nos - cv1075, boxed

Kt66 cv1075 gec nos - cv1075, boxed

$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 - mono, tubes

Sunvalley mono blocks - mono, tubes

$1795.00
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Matched quad kt77 power - jj,

Matched quad kt77 power - jj,

$90.00
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Platinum factory match - platinum, quad

Platinum factory match - platinum, quad

$258.00
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Kt66 lve vintage retro - lve, style

Kt66 lve vintage retro - lve, style

$201.23
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Kt66 cv1075 gec - kt66,

Kt66 cv1075 gec - kt66,

$672.50
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Genalex gold lion - genalex, vacuum

Genalex gold lion - genalex, vacuum

$325.00
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Genalex gold lion kt66 - genalex, new

Genalex gold lion kt66 - genalex, new

$285.00
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Genalex gold lion kt66 - genalex, power

Genalex gold lion kt66 - genalex, power

$24.95
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Pair tad rt824 - tad,

Pair tad rt824 - tad,

$85.00
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Kt66 gold tad - tad, original

Kt66 gold tad - tad, original

$100.88
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Matched pair gec cv1075 - matched,

Matched pair gec cv1075 - matched,

$650.00
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New matched pair - pair, kt77

New matched pair - pair, kt77

$59.99
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Kt88c vacuum tube valve - vacuum,

Kt88c vacuum tube valve - vacuum,

$335.00
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Tad premium selected factory - premium,

Tad premium selected factory - premium,

$299.00
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Relco mullard genalex kt66 nib - relco,

Relco mullard genalex kt66 nib - 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 kt66 beam - rca,

Rca 6l6gc 7581a kt66 beam - rca,

$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 vacuum - pair, of

Pair kt66 power vacuum - pair, of

$111.90
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Kt66 grey glass - grey, matched

Kt66 grey glass - grey, matched

$935.00
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Gec kt66 pair vacuum tubes - gec,

Gec kt66 pair vacuum tubes - gec,

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

Rare nos 6l6 6l6g kt66 - rare,

$249.64
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Sovtek tube tv7 test - tv7,

Sovtek tube tv7 test - tv7,

$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 kt66 power - kt66,

Genalex gold lion kt66 power - kt66,

$120.00
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Relco genalex tube - tube, gray

Relco genalex tube - tube, gray

$600.00
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Kt66 genalex gold lion - kt66,

Kt66 genalex gold lion - kt66,

$259.00
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6p3s tubes matched - quad, nos

6p3s tubes matched - quad, nos

$69.00
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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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Rare italian vintage mullard - italian,

Rare italian vintage mullard - italian,

$212.54
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Kt66 power vacuum tube - jj,

Kt66 power vacuum tube - jj,

$55.95
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Strong genelex gold lion kt66 - genelex,

Strong genelex gold lion kt66 - genelex,

$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,

Quad kt66 power vacuum - quad,

$223.80
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Tube amp higher temp - tube,

Tube amp higher temp - tube,

$22.99
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Rft 6l6 6l6gc - 6l6,

Rft 6l6 6l6gc - 6l6,

$279.00
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Matched pair vacuum tube - matched,

Matched pair vacuum tube - matched,

$119.61
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Vintage genalex gec - 1,

Vintage genalex gec - 1,

$249.00
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Clean super matched - 2,

Clean super matched - 2,

$179.00
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Genalex gold lion kt66 new - lion,

Genalex gold lion kt66 new - lion,

$132.50
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Ruby kt66c kt66 - ruby,

Ruby kt66c kt66 - ruby,

$250.00
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Kt66 marshall premium matched - ,

Kt66 marshall premium matched - ,

$211.32
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Kt66 lve vintage retro - kt66,

Kt66 lve vintage retro - kt66,

$100.07
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Lot kt66 tubes - lot,

Lot kt66 tubes - lot,

$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,

Vintagenos usa 7027a - 1x,

$349.00
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New reissue genalex gold - reissue,

New reissue genalex gold - reissue,

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

10pc 8pin octal - 8pin, socket

$31.85
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Tube amp dampers - tube,

Tube amp dampers - tube,

$12.99
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Kt66 guitar tubes - kt66, pm

Kt66 guitar tubes - kt66, pm

$79.25
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2pcs matched audio - audio, tube

2pcs matched audio - audio, tube

$248.99
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Electron tube tubes - kt-66, tubes,

Electron tube tubes - kt-66, tubes,

$400.00
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Shuguang kt66 z - 2, x

Shuguang kt66 z - 2, x

$107.80
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New current matched pair - pair, (2)

New current matched pair - pair, (2)

$150.77
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Genalex gold lion - genalex,

Genalex gold lion - genalex,

$55.00
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Vintagenos cv1947 stc - 1x,

Vintagenos cv1947 stc - 1x,

$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 kt66 new - genalex,

Genalex gold lion kt66 new - genalex,

$69.50
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Vintagenos sylvania 6l6g - sylvania,

Vintagenos sylvania 6l6g - sylvania,

$949.00
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Kt66 tube amp - kt66, doctor

Kt66 tube amp - kt66, doctor

$50.95
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Brand new tung sol reissue - new, tung-sol

Brand new tung sol reissue - new, tung-sol

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

New current matched quad - current, (4)

$305.12
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Kt66 genalex gold - genalex,

Kt66 genalex gold - genalex,

$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, kt66

Genalex gold lion - lion, kt66

$358.77
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Dualdiscgetter 6l6gc - 2,

Dualdiscgetter 6l6gc - 2,

$275.00
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Vacuum tube shuguang - vacuum,

Vacuum tube shuguang - vacuum,

$29.89
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Kt66 marconi pair - used, issue

Kt66 marconi pair - used, issue

$370.23
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Vintage genalex gec kt66 - vintage, /

Vintage genalex gec kt66 - vintage, /

$269.00
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Kt66 6l6 sovtek tube gray - tube,

Kt66 6l6 sovtek tube gray - tube,

$36.00
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Brand new tung sol reissue - new, tung-sol

Brand new tung sol reissue - new, tung-sol

$105.73
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1961 genalex kt66 amplifier - 1961,

1961 genalex kt66 amplifier - 1961,

$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 gold - reissue,

New reissue genalex gold - reissue,

$75.42
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Kt66 6l6 sovtek tube gray - sovtek, gt

Kt66 6l6 sovtek tube gray - sovtek, gt

$40.50
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Mullard kt88 power vacuum - kt88,

Mullard kt88 power vacuum - kt88,

$300.00
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Genalex gold lion custom - genalex, tube

Genalex gold lion custom - genalex, tube

$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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