Kt66

4

Kt66 for sale on largest auction and classifieds sites

Home / / Kt66 refurbished & used for sale | For Sale USA
Emitron genalex tube - emitron,

Emitron genalex tube - emitron,

$150.00
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Genalex gold lion kt66 - gold, power

Genalex gold lion kt66 - gold, power

$99.99
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Tad kt66 premium matched - -,

Tad kt66 premium matched - -,

$93.95
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Pair mullard kt66 vacuum tubes - mullard,

Pair mullard kt66 vacuum tubes - mullard,

$399.00
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Matched pair gec cv1075 - pair,

Matched pair gec cv1075 - pair,

$650.00
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Vacuum tubes valves - kt66, ef86

Vacuum tubes valves - kt66, ef86

$500.00
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Sovtek tubes 4 pack - sovtek,

Sovtek tubes 4 pack - sovtek,

$144.00
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Gec kt66 british old - gec,

Gec kt66 british old - gec,

$250.75
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Lot kt66 tubes - lot, of

Lot kt66 tubes - lot, of

$3750.00
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Nos platinum match pair - match, kt66

Nos platinum match pair - match, kt66

$400.00
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Genalex gold lion kt66 - lion,

Genalex gold lion kt66 - lion,

$24.95
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Platinum factory match - factory,

Platinum factory match - factory,

$219.30
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Sunvalley mono blocks - mono,

Sunvalley mono blocks - mono,

$1795.00
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Genalex gold lion custom - lion,

Genalex gold lion custom - lion,

$234.45
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Kt88c vacuum tube valve 4pcs - kt88c,

Kt88c vacuum tube valve 4pcs - kt88c,

$335.00
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Mullard kt88 power - kt88, vacuum

Mullard kt88 power - kt88, vacuum

$300.00
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Electronic kt66 beam - jj,

Electronic kt66 beam - jj,

$99.99
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Genalex gold lion kt66 power - gold,

Genalex gold lion kt66 power - gold,

$129.99
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Rare nos 6l6gc - ge, grey

Rare nos 6l6gc - ge, grey

$60.00
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Brimar 6l6g cv1947 kt66 - cv1947,

Brimar 6l6g cv1947 kt66 - cv1947,

$390.00
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Kt66 lve vintage retro - kt66,

Kt66 lve vintage retro - kt66,

$200.13
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Genalex gold lion kt66 - lion,

Genalex gold lion kt66 - lion,

$120.00
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Brand new tung - new, reissue

Brand new tung - new, reissue

$160.00
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Matched pair gec cv1075 - (2pcs),

Matched pair gec cv1075 - (2pcs),

$650.00
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Genalex gold lion kt66 vacuum - lion,

Genalex gold lion kt66 vacuum - lion,

$325.00
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Marconi kt66 tubes - kt66,

Marconi kt66 tubes - kt66,

$2799.00
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Kt66 grey glass matched - kt66,

Kt66 grey glass matched - kt66,

$1100.00
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Nos marconi osram mwt kt66 - mwt,

Nos marconi osram mwt kt66 - mwt,

$277.97
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Relco mullard genalex kt66 - genalex, nib

Relco mullard genalex kt66 - genalex, nib

$1495.00
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Electron tube tubes - kt-66, new

Electron tube tubes - kt-66, new

$400.00
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Matched pair vacuum tube - 1,

Matched pair vacuum tube - 1,

$119.61
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Matched quad tube - matched,

Matched quad tube - matched,

$256.00
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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 - kt-66,

Sovtek tube tv7 test - kt-66,

$40.00
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Pair tad rt824 - pair, vacuum

Pair tad rt824 - pair, vacuum

$85.00
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Matched quad gec - matched, (4pcs)

Matched quad gec - matched, (4pcs)

$1250.00
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Gec kt66 nos - nos, vintage

Gec kt66 nos - nos, vintage

$475.00
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Vintage crosley kt66 push pull - kt66,

Vintage crosley kt66 push pull - kt66,

$499.99
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Genalex gold lion - lion, new

Genalex gold lion - lion, new

$132.50
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Vintagenos sylvania 6l6g - vintagenos,

Vintagenos sylvania 6l6g - vintagenos,

$949.00
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7581a kt66 6l6gc power tube - kt66,

7581a kt66 6l6gc power tube - kt66,

$75.00
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Vintage genalex gec - 1, /

Vintage genalex gec - 1, /

$249.00
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Kt66 electronic matched - electronic,

Kt66 electronic matched - electronic,

$57.79
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Kt66 6l6 sovtek tube - sovtek,

Kt66 6l6 sovtek tube - sovtek,

$36.00
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Kt66 genalex gold lion matched - kt66,

Kt66 genalex gold lion matched - kt66,

$129.50
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Vintage genalex gec - 1, /

Vintage genalex gec - 1, /

$269.00
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Tube amp higher temp dampers - amp,

Tube amp higher temp dampers - amp,

$22.99
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Tube amp dampers for - amp,

Tube amp dampers for - amp,

$12.99
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Nos 1959 pair close - nos,

Nos 1959 pair close - nos,

$179.99
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Kt66 6l6 sovtek tube gray - kt66,

Kt66 6l6 sovtek tube gray - kt66,

$40.50
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Kt66 osram black - black, coated

Kt66 osram black - black, coated

$599.00
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Genalex gold lion kt66 power - gold,

Genalex gold lion kt66 power - gold,

$274.99
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Rca 6l6gc 7581a kt66 - 6l6gc/7581a, beam

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

$45.00
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6l6gc kt66 general - 6l6gc/kt66, electric

6l6gc kt66 general - 6l6gc/kt66, electric

$349.99
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Clean super matched - 2, pair

Clean super matched - 2, pair

$179.00
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Kt66 guitar tubes matched - pm,

Kt66 guitar tubes matched - pm,

$79.25
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Tad kt66 premium - tad,

Tad kt66 premium - tad,

$49.95
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Amplifier tubes kt66 - 14,

Amplifier tubes kt66 - 14,

$250.00
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Kt66 genalex gold lion matched - kt66,

Kt66 genalex gold lion matched - kt66,

$259.00
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Kt66 ars replaces - 1,

Kt66 ars replaces - 1,

$40.95
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Genalex gold lion kt66 - genalex, new

Genalex gold lion kt66 - genalex, new

$69.50
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6p3s tubes matched - quad, nos

6p3s tubes matched - quad, nos

$69.00
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Rare italian vintage mullard - rare,

Rare italian vintage mullard - rare,

$212.54
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New reissue genalex - genalex, lion

New reissue genalex - genalex, lion

$71.97
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Octet genalex gold - of,

Octet genalex gold - of,

$543.60
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Brand new tung sol reissue - new,

Brand new tung sol reissue - new,

$51.32
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Brand new tung - tung-sol, reissue

Brand new tung - tung-sol, reissue

$105.73
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Genalex gold lion kt66 new - gold,

Genalex gold lion kt66 new - gold,

$285.00
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Ruby kt66c kt66 - ruby, power

Ruby kt66c kt66 - ruby, power

$250.00
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Kt66 tube amp doctor - amp, premium

Kt66 tube amp doctor - amp, premium

$50.95
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Genalex gold lion - genalex, 6l6

Genalex gold lion - genalex, 6l6

$55.00
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Kt66 cv1075 gec matched - cv1075,

Kt66 cv1075 gec matched - cv1075,

$663.75
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Kt66 lve vintage - lve,

Kt66 lve vintage - lve,

$100.07
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Genalex gold lion - lion, power

Genalex gold lion - lion, power

$246.98
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Matched quad kt77 - matched,

Matched quad kt77 - matched,

$95.00
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New tung sol - new, kt66

New tung sol - new, kt66

$178.00
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Vintagenos 6l6g - vintagenos,

Vintagenos 6l6g - vintagenos,

$949.00
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Strong genelex gold lion kt66 - genelex,

Strong genelex gold lion kt66 - genelex,

$149.99
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Genalex gold lion kt66 power - genalex,

Genalex gold lion kt66 power - genalex,

$67.95
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Rft 6l6 6l6gc - 6l6gc, kt66

Rft 6l6 6l6gc - 6l6gc, kt66

$279.00
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Matched pair shuguang - pair,

Matched pair shuguang - pair,

$89.99
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6l6gc kt66 general - 6l6gc/kt66, ge

6l6gc kt66 general - 6l6gc/kt66, ge

$299.99
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Shuguang kt66 z treasure - shuguang,

Shuguang kt66 z treasure - shuguang,

$107.80
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Kt66 power vacuum tube - power,

Kt66 power vacuum tube - power,

$55.95
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Kt66 shuguang matched pair - shuguang,

Kt66 shuguang matched pair - shuguang,

$107.60
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2pcs matched audio tube vacuum - audio,

2pcs matched audio tube vacuum - audio,

$248.99
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Kewtech kt66dl 1 - kewtech, 12-in-1

Kewtech kt66dl 1 - kewtech, 12-in-1

$799.99
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New current matched - matched, (2)

New current matched - matched, (2)

$150.77
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Kt66 cv1075 gec - cv1075, nos

Kt66 cv1075 gec - cv1075, nos

$665.25
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1set quad value amplifier - quad, ii

1set quad value amplifier - quad, ii

$16.50
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New current matched quad - new, (4)

New current matched quad - new, (4)

$305.12
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Brand new tung - new, tung-sol

Brand new tung - new, tung-sol

$107.54
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Platinum factory match 6pcs - factory,

Platinum factory match 6pcs - factory,

$308.79
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Gec kt66 cv1075 matched - gec, pair

Gec kt66 cv1075 matched - gec, pair

$1380.00
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Tad premium selected factory - tad,

Tad premium selected factory - tad,

$299.00
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Genalex gold lion kt88 - genalex,

Genalex gold lion kt88 - genalex,

$175.00
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📊96 listings · from $12.99 · avg $358.57

Browse 96 kt66 listings currently in our index. Prices range from $12.99 to $3750, with an average of $358.57. 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 $358.57 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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