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12ax7 vacuum tubes - vacuum,

12ax7 vacuum tubes - vacuum,

$16.99
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Matched pair x mullard - matched, 2

Matched pair x mullard - matched, 2

$54.10
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12ax7 wurlitzer rca - wurlitzer,

12ax7 wurlitzer rca - wurlitzer,

$17.99
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Rca black plate 12ax7 vacuum - 12ax7,

Rca black plate 12ax7 vacuum - 12ax7,

$95.00
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Telefunken 12ax7 ecc83 tube - telefunken,

Telefunken 12ax7 ecc83 tube - telefunken,

$125.00
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New tung sol - 12ax7, ecc83

New tung sol - 12ax7, ecc83

$24.99
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Rare 1962 raytheon 12ax7a tube - 12ax7a,

Rare 1962 raytheon 12ax7a tube - 12ax7a,

$99.99
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Menco mullard - &,

Menco mullard - &,

$79.95
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New electronics 12ax7 - 1x, jj

New electronics 12ax7 - 1x, jj

$23.79
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Single 12ax7a 7025 - 12ax7a, nos

Single 12ax7a 7025 - 12ax7a, nos

$95.00
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Telefunken ecc83 12ax7 - telefunken,

Telefunken ecc83 12ax7 - telefunken,

$80.00
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Matched pair rca 12ax7 long - pair,

Matched pair rca 12ax7 long - pair,

$119.95
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Mullard blackburn 12ax7 - mullard,

Mullard blackburn 12ax7 - mullard,

$160.00
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Nib matched pair - matched,

Nib matched pair - matched,

$175.00
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12ax7 siemens nos - 12ax7, smooth

12ax7 siemens nos - 12ax7, smooth

$79.99
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Nos matched pair rca - matched,

Nos matched pair rca - matched,

$150.00
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1957 raytheon 12au7 ecc82 - 1957,

1957 raytheon 12au7 ecc82 - 1957,

$44.95
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Ecc83s 12ax7 preamp - jj,

Ecc83s 12ax7 preamp - jj,

$18.95
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One rca 12ax7a ecc83 - one,

One rca 12ax7a ecc83 - one,

$59.95
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12ax7 ecc83 preamp - jj,

12ax7 ecc83 preamp - jj,

$59.50
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Fisher telefunken - 2, by

Fisher telefunken - 2, by

$113.00
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Nib matched pair - pair, 12ax7a

Nib matched pair - pair, 12ax7a

$199.99
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Matched pair rca jrc jan - jan, 5751

Matched pair rca jrc jan - jan, 5751

$119.95
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12ax7 7025 new - 12ax7,

12ax7 7025 new - 12ax7,

$24.99
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Telefunken 12ax7 ecc83 tube - 12ax7,

Telefunken 12ax7 ecc83 tube - 12ax7,

$291.88
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New genalex gold lion 12ax7 - new, 1x

New genalex gold lion 12ax7 - new, 1x

$49.99
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Ecc83 12ax7 psvane tubes - ecc83/12ax7,

Ecc83 12ax7 psvane tubes - ecc83/12ax7,

$38.99
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Matched pair telefunken - matched,

Matched pair telefunken - matched,

$174.95
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Philips 12ax7 ecc83 - philips, 12ax7/ecc83

Philips 12ax7 ecc83 - philips, 12ax7/ecc83

$79.99
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Ecc83 12ax7 hifi grails - hifi,

Ecc83 12ax7 hifi grails - hifi,

$150.00
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12ax7 ecc83 amperex - amperex, tube

12ax7 ecc83 amperex - amperex, tube

$50.00
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Rca 12ax7 ecc83 - ecc83, long

Rca 12ax7 ecc83 - ecc83, long

$54.95
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Matched quad genalex gold lion - genalex,

Matched quad genalex gold lion - genalex,

$208.95
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Rca 12ax7 ecc83 blk plate - rca,

Rca 12ax7 ecc83 blk plate - rca,

$69.95
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Matched pair nec japan 12ad7 - pair,

Matched pair nec japan 12ad7 - pair,

$109.95
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Lot rca 12ax7a ecc83 - rca,

Lot rca 12ax7a ecc83 - rca,

$159.99
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Telefunken 12ax7 tube pair - tube,

Telefunken 12ax7 tube pair - tube,

$150.00
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Brand new box - brand,

Brand new box - brand,

$23.87
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Amperex 12ax7 maxipreamp2 tv7 - amperex, maxipreamp2/tv7

Amperex 12ax7 maxipreamp2 tv7 - amperex, maxipreamp2/tv7

$59.99
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Pair tung sol 12ax7 - tubes, halo

Pair tung sol 12ax7 - tubes, halo

$149.99
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Nos genalex gold - lion, 12ax7

Nos genalex gold - lion, 12ax7

$40.00
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Vintage 1974 nos - vintage, nib

Vintage 1974 nos - vintage, nib

$109.99
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New matched pair sovtek - new,

New matched pair sovtek - new,

$45.99
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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 - lot, jj

Lot electronics 12ax7 - lot, jj

$64.99
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Rca long gray plate angled - gray,

Rca long gray plate angled - gray,

$19.99
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Rca 12ax7 7058 vacuum - ,

Rca 12ax7 7058 vacuum - ,

$27.99
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Pair vintage 1965 japan - vintage,

Pair vintage 1965 japan - vintage,

$42.99
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New box gain matched - box,

New box gain matched - box,

$44.58
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Lot vintage raytheon - of,

Lot vintage raytheon - of,

$240.00
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Lot 12ax7 vacuum - 2,

Lot 12ax7 vacuum - 2,

$36.00
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Mullard 12ax7 ecc83 - 12ax7,

Mullard 12ax7 ecc83 - 12ax7,

$27.07
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Tested admiral 12ax7 tube - tested,

Tested admiral 12ax7 tube - tested,

$34.95
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Rca 12ax7a ecc83 - ecc83, pair

Rca 12ax7a ecc83 - ecc83, pair

$70.00
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Pair mazda foreign ecc83 12ax7 - pair,

Pair mazda foreign ecc83 12ax7 - pair,

$125.00
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1958 mullard 12ax7 - (2),

1958 mullard 12ax7 - (2),

$275.00
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12ax7 ecc83 tube gray - 12ax7, ge

12ax7 ecc83 tube gray - 12ax7, ge

$20.00
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New mullard 12ax7 cv4004 - mullard,

New mullard 12ax7 cv4004 - mullard,

$26.99
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12ax7a ecc83 vintage - 12ax7a,

12ax7a ecc83 vintage - 12ax7a,

$27.00
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Lot rca electron tubes - lot, of

Lot rca electron tubes - lot, of

$59.90
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Lot pcs raytheon - of, 2

Lot pcs raytheon - of, 2

$69.00
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Rca labeled tungsram - rca,

Rca labeled tungsram - rca,

$54.95
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Sylvania baldwin 12ax7 - baldwin,

Sylvania baldwin 12ax7 - baldwin,

$65.00
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Rca 12ax7a 1960 14mm - , 1960's

Rca 12ax7a 1960 14mm - , 1960's

$119.93
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Vintage baldwin 12ax7 - baldwin,

Vintage baldwin 12ax7 - baldwin,

$345.00
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Rare nos tungsram 12ax7 ecc83 - nos,

Rare nos tungsram 12ax7 ecc83 - nos,

$140.00
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Nos telefunken ecc83 12ax7 - telefunken,

Nos telefunken ecc83 12ax7 - telefunken,

$99.95
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Matched pair rca 12ax7a - matched,

Matched pair rca 12ax7a - matched,

$89.99
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Jan12ax7wa preamp tube - ge,

Jan12ax7wa preamp tube - ge,

$21.99
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New gain matched - new,

New gain matched - new,

$61.81
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Nos rft 12ax7 ecc83 amplitrex - nos,

Nos rft 12ax7 ecc83 amplitrex - nos,

$70.00
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Westinghouse 12ax7a tube pair - westinghouse,

Westinghouse 12ax7a tube pair - westinghouse,

$60.00
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Tung sol 12ax7 preamp - tung-sol,

Tung sol 12ax7 preamp - tung-sol,

$22.99
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Rca 12ax7 ecc83 long plate - 12ax7,

Rca 12ax7 ecc83 long plate - 12ax7,

$44.95
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12ax7 7025 ecc83 nos - ecc83,

12ax7 7025 ecc83 nos - ecc83,

$174.99
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12ax7 preamp tube - ., sylvania

12ax7 preamp tube - ., sylvania

$15.00
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Tung sol 12ax7 preamp tube - tung-sol,

Tung sol 12ax7 preamp tube - tung-sol,

$45.98
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1959 telefunken ecc83 - (2),

1959 telefunken ecc83 - (2),

$249.99
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Matched pair mullard - matched, 12ax7

Matched pair mullard - matched, 12ax7

$174.95
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12ax7 jan tung sol radio - 12ax7,

12ax7 jan tung sol radio - 12ax7,

$32.99
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Strong pair 12au7 ecc82 - pair, (2)

Strong pair 12au7 ecc82 - pair, (2)

$39.99
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12ax7a matched pair - matched, 1960

12ax7a matched pair - matched, 1960

$70.00
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Strong mullard ecc83 - strong,

Strong mullard ecc83 - strong,

$149.99
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New vacuum tube puller - &, 9

New vacuum tube puller - &, 9

$11.95
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Dynaco telefunken ecc83 12ax7 - ecc83,

Dynaco telefunken ecc83 12ax7 - ecc83,

$200.00
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Brand new box gain - brand, matched

Brand new box gain - brand, matched

$101.19
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Telefunken 12ax7 ecc83 tube - 12ax7,

Telefunken 12ax7 ecc83 tube - 12ax7,

$49.95
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12ax7a ecc83 nos nib rca - ecc83,

12ax7a ecc83 nos nib rca - ecc83,

$269.99
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General electric 12ax7ecc83 - general,

General electric 12ax7ecc83 - general,

$51.00
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12ax7 ecc83s preamp - /,

12ax7 ecc83s preamp - /,

$18.00
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Matched pair raytheon - pair,

Matched pair raytheon - pair,

$37.95
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Genalex gold lion 12ax7 ecc83 - genalex,

Genalex gold lion 12ax7 ecc83 - genalex,

$54.99
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Telefunken 12ax7 ecc83 tube - telefunken,

Telefunken 12ax7 ecc83 tube - telefunken,

$65.00
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Sylvania 12ax7 - sylvania, (baldwin

Sylvania 12ax7 - sylvania, (baldwin

$29.99
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12ax7 ecc83 mullard - 12ax7/ecc83, copper

12ax7 ecc83 mullard - 12ax7/ecc83, copper

$69.99
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12ax7 ecc83 tungsram - 12ax7/ecc83, nos/nib

12ax7 ecc83 tungsram - 12ax7/ecc83, nos/nib

$99.99
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📊96 listings · from $11.95 · avg $89.42

Browse 96 12ax7 listings currently in our index. Prices range from $11.95 to $345, with an average of $89.42. 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 $11.95, while premium listings can reach $345 — giving you a wide budget spread to work with. The average price of $89.42 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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