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Dynaco telefunken ecc83 12ax7 - dynaco,

Dynaco telefunken ecc83 12ax7 - dynaco,

$240.00
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Vintage 1960s general - vintage,

Vintage 1960s general - vintage,

$299.99
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Electronic ecc83 vacuum - jj,

Electronic ecc83 vacuum - jj,

$49.49
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New electronics 12ax7 - 1x, /

New electronics 12ax7 - 1x, /

$23.79
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Matched pair x mullard - matched,

Matched pair x mullard - matched,

$54.10
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Tung sol 12ax7 - 12ax7, dual

Tung sol 12ax7 - 12ax7, dual

$23.99
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Telefunken 12ax7 ecc83 - telefunken, tube

Telefunken 12ax7 ecc83 - telefunken, tube

$125.00
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Vintage 12ax7 ecc83 - vintage,

Vintage 12ax7 ecc83 - vintage,

$45.00
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Raytheon 12ax7 black - black, plate

Raytheon 12ax7 black - black, plate

$64.99
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New tung sol 12ax7 - new, ecc83

New tung sol 12ax7 - new, ecc83

$24.99
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Single 12ax7a 7025 nos nib - 7025,

Single 12ax7a 7025 nos nib - 7025,

$95.00
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New matched pair sovtek - matched,

New matched pair sovtek - matched,

$49.99
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1957 raytheon 12au7 ecc82 - raytheon, 12au7/ecc82

1957 raytheon 12au7 ecc82 - raytheon, 12au7/ecc82

$44.95
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12ax7 ecc83 amperex - ecc83, tube

12ax7 ecc83 amperex - ecc83, tube

$50.00
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12ax7 ecc83 rca - 12ax7/ecc83, plate

12ax7 ecc83 rca - 12ax7/ecc83, plate

$59.99
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Philips 12ax7 ecc83 heerlen - philips, 12ax7/ecc83

Philips 12ax7 ecc83 heerlen - philips, 12ax7/ecc83

$79.99
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12ax7a tube pair sylvania - 12ax7a,

12ax7a tube pair sylvania - 12ax7a,

$59.99
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New box gain matched - gain,

New box gain matched - gain,

$44.58
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12ax7 ecc83 preamp - 12ax7, /

12ax7 ecc83 preamp - 12ax7, /

$57.99
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Mullard blackburn 12ax7 - blackburn,

Mullard blackburn 12ax7 - blackburn,

$160.00
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Amperex 12ax7 tube bugle boy - 12ax7,

Amperex 12ax7 tube bugle boy - 12ax7,

$50.00
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Nos genalex gold lion - genalex,

Nos genalex gold lion - genalex,

$40.00
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7025 str 12ax7 - 7025, 83

7025 str 12ax7 - 7025, 83

$59.00
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12ax7 ecc83 pair usa - ecc83, ge

12ax7 ecc83 pair usa - ecc83, ge

$24.50
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New genalex gold lion 12ax7 - lion,

New genalex gold lion 12ax7 - lion,

$49.99
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Matched pair rca - matched,

Matched pair rca - matched,

$119.95
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Telefunken ecc83 12ax7 tube - 12ax7,

Telefunken ecc83 12ax7 tube - 12ax7,

$80.00
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Rca 12ax7 matched pair - rca,

Rca 12ax7 matched pair - rca,

$34.00
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Nos matched pair - nos, rca

Nos matched pair - nos, rca

$150.00
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Ecc83 12ax7 hifi grails - hifi,

Ecc83 12ax7 hifi grails - hifi,

$150.00
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Philips jan 12ax7wa ecc83 - philips, jan-12ax7wa/ecc83

Philips jan 12ax7wa ecc83 - philips, jan-12ax7wa/ecc83

$69.99
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Nos match quad sylvania - match,

Nos match quad sylvania - match,

$179.95
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Matched pair genalex gold lion - matched,

Matched pair genalex gold lion - matched,

$104.45
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Lot electronics 12ax7 - electronics,

Lot electronics 12ax7 - electronics,

$64.99
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12ax7 7025 new vacuum - 7025,

12ax7 7025 new vacuum - 7025,

$24.99
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Brand new box - brand,

Brand new box - brand,

$33.43
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Matched iec mullard ecc83 - 3,

Matched iec mullard ecc83 - 3,

$150.00
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Zenith 12ax7a tube pair box - zenith,

Zenith 12ax7a tube pair box - zenith,

$70.00
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Groove tubes 12ax7 r - groove,

Groove tubes 12ax7 r - groove,

$35.00
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12ax7a ecc83 tungsram - tungsram, "rca"

12ax7a ecc83 tungsram - tungsram, "rca"

$39.99
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New matched pair art - new, series

New matched pair art - new, series

$85.00
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Mullard philips amperex - amperex?, ecc83

Mullard philips amperex - amperex?, ecc83

$39.95
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Amperex 12ax7 ecc83 - /, matching

Amperex 12ax7 ecc83 - /, matching

$180.00
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Nos telefunken ecc83 - telefunken,

Nos telefunken ecc83 - telefunken,

$99.95
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Matched pair tung sol 12ax7 - matched,

Matched pair tung sol 12ax7 - matched,

$44.60
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Vintage 1974 nos - nos, nib

Vintage 1974 nos - nos, nib

$119.99
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Rca 12ax7a ecc83 tube - rca,

Rca 12ax7a ecc83 tube - rca,

$70.00
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Fisher 12ax7 ecc83 - 12ax7,

Fisher 12ax7 ecc83 - 12ax7,

$30.00
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Siemens 12ax7 ecc83 - 12ax7/ecc83, tubes

Siemens 12ax7 ecc83 - 12ax7/ecc83, tubes

$149.99
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National 12ax7 made ussr - 12ax7,,

National 12ax7 made ussr - 12ax7,,

$25.00
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12ax7 rca short - rca, grey

12ax7 rca short - rca, grey

$25.00
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1958 mullard 12ax7 - 1958,

1958 mullard 12ax7 - 1958,

$295.00
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Nos nib matched pair - pair, 12ax7

Nos nib matched pair - pair, 12ax7

$125.00
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1965 mullard 10m master series - 10m,

1965 mullard 10m master series - 10m,

$189.00
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Jan 5751 12ax7 radio - 5751,

Jan 5751 12ax7 radio - 5751,

$60.00
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Westinghouse 12ax7a tube pair - westinghouse,

Westinghouse 12ax7a tube pair - westinghouse,

$60.00
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Rca 12ax7a ecc83 - rca,

Rca 12ax7a ecc83 - rca,

$60.00
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Rca 7058 12ax7 vacuum - -,

Rca 7058 12ax7 vacuum - -,

$34.99
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Tung sol 12ax7 preamp - preamp, tube

Tung sol 12ax7 preamp - preamp, tube

$27.99
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Nos nib matched pair - pair, cbs

Nos nib matched pair - pair, cbs

$125.00
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Lot 12ax7 vacuum - of,

Lot 12ax7 vacuum - of,

$40.00
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Mullard 12ax7 ecc83 - x, /

Mullard 12ax7 ecc83 - x, /

$27.07
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Two rca 12ax7 black - rca, long

Two rca 12ax7 black - rca, long

$198.95
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12ax7 ecc83s preamp - /, vacuum

12ax7 ecc83s preamp - /, vacuum

$18.00
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Pair nec 12ax7 nos - nos, nib

Pair nec 12ax7 nos - nos, nib

$200.00
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12ax7a rca usa - rca, ecc83

12ax7a rca usa - rca, ecc83

$52.50
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One excellent 12ax7 ecc83 - ge,

One excellent 12ax7 ecc83 - ge,

$39.95
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Telefunken 12ax7 ecc83 tube - 12ax7,

Telefunken 12ax7 ecc83 tube - 12ax7,

$49.95
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Rare nos tungsram 12ax7 ecc83 - rare,

Rare nos tungsram 12ax7 ecc83 - rare,

$140.00
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Lot vintage raytheon - lot,

Lot vintage raytheon - lot,

$240.00
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Ecc83 12ax7 psvane tubes - psvane,

Ecc83 12ax7 psvane tubes - psvane,

$38.99
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Sovtek 12ax7wa 7025 ecc83 - sovtek,

Sovtek 12ax7wa 7025 ecc83 - sovtek,

$30.00
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Matched balanced pair rca - balanced,

Matched balanced pair rca - balanced,

$99.99
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12ax7a ecc83 rca 1974 - ecc83, radio

12ax7a ecc83 rca 1974 - ecc83, radio

$556.49
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Mullard 12ax7 ecc83 shield - ecc83,

Mullard 12ax7 ecc83 shield - ecc83,

$165.00
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New mullard 12ax7 cv4004 - /,

New mullard 12ax7 cv4004 - /,

$26.99
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Heath mullard 12ax7 ecc83 - by,

Heath mullard 12ax7 ecc83 - by,

$70.00
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Nos rft 12ax7 ecc83 amplitrex - ecc83,

Nos rft 12ax7 ecc83 amplitrex - ecc83,

$70.00
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12ax7b vacuum tube - 12ax7b,

12ax7b vacuum tube - 12ax7b,

$19.99
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Webcor 7025 6189 - 6189, 7

Webcor 7025 6189 - 6189, 7

$125.00
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Groove tubes 12ax7 nos pair - nos,

Groove tubes 12ax7 nos pair - nos,

$60.00
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Rare nos westinghouse 12ax7 - westinghouse,

Rare nos westinghouse 12ax7 - westinghouse,

$35.00
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Pair 1959 1960 - pair, usa

Pair 1959 1960 - pair, usa

$20.95
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Sylvania jhs 12ax7 square - sylvania,

Sylvania jhs 12ax7 square - sylvania,

$35.00
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Rca 12ax7a 1960 - 12ax7a, 1960's

Rca 12ax7a 1960 - 12ax7a, 1960's

$119.93
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Rca 12ax7 ecc83 long black - (1),

Rca 12ax7 ecc83 long black - (1),

$99.99
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Psvane ecc83 12ax7 - psvane, /

Psvane ecc83 12ax7 - psvane, /

$18.95
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New electro harmonix 12ax7 - new,

New electro harmonix 12ax7 - new,

$22.85
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Four 5751 12ax7 tubes large - tubes,

Four 5751 12ax7 tubes large - tubes,

$59.95
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12ax7a ecc83 hammond mullard - ,

12ax7a ecc83 hammond mullard - ,

$50.00
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Nos 12ax7 81 jan - nos,

Nos 12ax7 81 jan - nos,

$85.00
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Telefunken 12ax7 ecc83 tube - 12ax7,

Telefunken 12ax7 ecc83 tube - 12ax7,

$65.00
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Rca command 5751 12ax7 - rca,

Rca command 5751 12ax7 - rca,

$100.00
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Tung sol 12ax7 - tung-sol, long

Tung sol 12ax7 - tung-sol, long

$65.00
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12ax7 ecc83 tungsram - 12ax7/ecc83,

12ax7 ecc83 tungsram - 12ax7/ecc83,

$79.99
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Nos matched pair mica - pair, 5751

Nos matched pair mica - pair, 5751

$250.00
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📊96 listings · from $18 · avg $87.57

Browse 96 12ax7 listings currently in our index. Prices range from $18 to $556.49, with an average of $87.57. 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 12ax7 →

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Everything you need to know about 12ax7

Whether you are looking for a brand-new or second-hand 12ax7, 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 $18, while premium listings can reach $556.49 — giving you a wide budget spread to work with. The average price of $87.57 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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