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12ax7

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Matched pair x - pair,, mullard

Matched pair x - pair,, mullard

$54.10
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Nos strong test - (4), mullard

Nos strong test - (4), mullard

$175.00
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Vacuum tube 12ax7 nos - ~,

Vacuum tube 12ax7 nos - ~,

$16.95
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Rca 12ax7a ecc83 - rca,

Rca 12ax7a ecc83 - rca,

$17.95
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Mint 110 testing sylvania - mint,

Mint 110 testing sylvania - mint,

$149.99
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New tung sol 12ax7 - tung-sol,

New tung sol 12ax7 - tung-sol,

$24.99
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Nos rca 12ax7a ecc83 - nos,

Nos rca 12ax7a ecc83 - nos,

$29.95
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12ax7 7025 new vacuum - new,

12ax7 7025 new vacuum - new,

$24.99
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Nos matched pair vintage tung - matched,

Nos matched pair vintage tung - matched,

$149.00
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Matched pair toshiba fi - pair,

Matched pair toshiba fi - pair,

$49.99
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One excellent dumont 12ax7a - dumont,

One excellent dumont 12ax7a - dumont,

$19.95
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Mullard blackburn 12ax7 ecc83 - blackburn,

Mullard blackburn 12ax7 ecc83 - blackburn,

$125.00
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Rca 12ax7a tube tested - rca,

Rca 12ax7a tube tested - rca,

$22.00
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12ax7 sylvania maxipreamp - sylvania, 2

12ax7 sylvania maxipreamp - sylvania, 2

$44.99
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Two raytheon 12ax7 - two,

Two raytheon 12ax7 - two,

$80.00
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12ax7 rca tube maxipreamp - 12ax7,

12ax7 rca tube maxipreamp - 12ax7,

$49.99
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Nos strong telefunken - (4),

Nos strong telefunken - (4),

$175.00
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Amperex mullard logo 12ax7 - amperex,

Amperex mullard logo 12ax7 - amperex,

$85.00
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12ax7a tube pair - tube, sylvania

12ax7a tube pair - tube, sylvania

$59.99
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New sovtek 12ax7lps - 12ax7lps, 12ax7

New sovtek 12ax7lps - 12ax7lps, 12ax7

$26.99
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12ax7 ecc83 preamp - 3x, jj

12ax7 ecc83 preamp - 3x, jj

$59.50
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Vintage nos rca 12ax7a ecc83 - vintage,

Vintage nos rca 12ax7a ecc83 - vintage,

$49.99
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Nos 1953 vintage tung - 1953,

Nos 1953 vintage tung - 1953,

$67.15
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Rare 110 telefunken - 1,

Rare 110 telefunken - 1,

$175.00
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New electronics 12ax7 - new, 1x

New electronics 12ax7 - new, 1x

$23.79
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Matched pair tung sol 12ax7 - matched,

Matched pair tung sol 12ax7 - matched,

$124.95
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Rca 12ax7 5751 black plate - black,

Rca 12ax7 5751 black plate - black,

$200.00
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Quad sylvania jan 12ax7wa - quad,

Quad sylvania jan 12ax7wa - quad,

$149.00
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Nos matched pair - matched, rca

Nos matched pair - matched, rca

$150.00
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Matched pair 12ax7 - 12ax7, ecc83

Matched pair 12ax7 - 12ax7, ecc83

$79.95
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Cbs long plate - cbs,

Cbs long plate - cbs,

$39.95
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Nos raytheon ecc83 - j-02, /

Nos raytheon ecc83 - j-02, /

$120.00
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Nos testing sylvania made - nos,

Nos testing sylvania made - nos,

$225.00
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New electro harmonix 12ax7 - new,

New electro harmonix 12ax7 - new,

$22.85
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Single 12ax7a 7025 nos - ge,

Single 12ax7a 7025 nos - ge,

$95.00
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Matching rca long - (2),

Matching rca long - (2),

$65.00
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Telefunken 12ax7 ecc83 - 12ax7, tube

Telefunken 12ax7 ecc83 - 12ax7, tube

$125.00
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Telefunken ecc83 smooth - (2),

Telefunken ecc83 smooth - (2),

$199.99
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12ax7 ecc83 telefunken red tip - 12ax7/ecc83,

12ax7 ecc83 telefunken red tip - 12ax7/ecc83,

$149.99
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Mullard 12ax7a 1965 blackburn - 12ax7a,

Mullard 12ax7a 1965 blackburn - 12ax7a,

$65.00
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Two matsushita 12ax7a - two,

Two matsushita 12ax7a - two,

$79.95
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12ax7 jan monitorad - 12ax7,

12ax7 jan monitorad - 12ax7,

$30.49
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Nos rca 12ax7a - ecc83, vintage

Nos rca 12ax7a - ecc83, vintage

$29.95
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Westinghouse 12ax7a tube pair - 12ax7a,

Westinghouse 12ax7a tube pair - 12ax7a,

$50.00
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1960 matched pair mullard - pair,

1960 matched pair mullard - pair,

$289.00
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Tung sol 12ax7 ecc83 - (2), tung-sol

Tung sol 12ax7 ecc83 - (2), tung-sol

$33.26
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Ecc83 12ax7 radio audio - ecc83, 1957

Ecc83 12ax7 radio audio - ecc83, 1957

$165.99
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Lot 12ax7 vintage - of, (2)

Lot 12ax7 vintage - of, (2)

$36.00
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Rca black plate 12ax7 vacuum - rca,

Rca black plate 12ax7 vacuum - rca,

$225.00
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Strong baldwin short - short, gray

Strong baldwin short - short, gray

$19.99
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Matched pcs green sylvania - matched,

Matched pcs green sylvania - matched,

$79.95
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Telefunken 12ax7 tube pair - telefunken,

Telefunken 12ax7 tube pair - telefunken,

$150.00
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New tung sol gold 12ax7 - tung-sol,

New tung sol gold 12ax7 - tung-sol,

$36.95
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Ecc83 12ax7 amperex bugle - ecc83,

Ecc83 12ax7 amperex bugle - ecc83,

$895.00
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Lot amperex mullard 12ax7 - 4,

Lot amperex mullard 12ax7 - 4,

$149.00
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Rare matched pair of - ,

Rare matched pair of - ,

$195.00
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Mint 110 testing sylvania - (4),

Mint 110 testing sylvania - (4),

$149.99
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Mullard blackburn 12ax7 - mullard,

Mullard blackburn 12ax7 - mullard,

$65.00
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Lot mesa boogie str 12 - of,

Lot mesa boogie str 12 - of,

$220.00
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12ax7 amperex tube - 12ax7,

12ax7 amperex tube - 12ax7,

$135.00
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Telefunken ecc83 smooth - telefunken,

Telefunken ecc83 smooth - telefunken,

$199.95
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Brand new box mullard - new, in

Brand new box mullard - new, in

$35.04
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Telefunken 12ax7 ecc83 smooth - ecc83,

Telefunken 12ax7 ecc83 smooth - ecc83,

$67.00
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Matched pair 12ax7 - matched,

Matched pair 12ax7 - matched,

$64.99
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Lot tung sol jtl - 2, tung-sol

Lot tung sol jtl - 2, tung-sol

$99.95
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Tung sol 12ax7 - 12ax7,

Tung sol 12ax7 - 12ax7,

$55.00
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Nos strong rca - to, 12ax7a

Nos strong rca - to, 12ax7a

$325.00
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One rca 12ax7a ecc83 tube - 12ax7a,

One rca 12ax7a ecc83 tube - 12ax7a,

$37.95
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Lot fender gt groove - (gt,

Lot fender gt groove - (gt,

$25.00
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5751 12ax7 vacuum - jg, /

5751 12ax7 vacuum - jg, /

$19.99
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One excellent 12ax7 ecc83 - one,

One excellent 12ax7 ecc83 - one,

$35.95
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New box gain - gain, matched

New box gain - gain, matched

$62.42
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One excellent realistic 12ax7a - one,

One excellent realistic 12ax7a - one,

$27.95
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New genalex gold - new, lion

New genalex gold - new, lion

$49.99
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General electronics 12ax7a - ge,

General electronics 12ax7a - ge,

$45.00
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Rca black gray - &,

Rca black gray - &,

$65.00
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Telefunken ecc83 12ax7 - telefunken,

Telefunken ecc83 12ax7 - telefunken,

$249.99
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Mullard ecc83 12ax7 - ecc83, vintage

Mullard ecc83 12ax7 - ecc83, vintage

$39.95
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Sylvania 7025 ecc83 12ax7 - 12ax7, long

Sylvania 7025 ecc83 12ax7 - 12ax7, long

$34.95
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Amperex 12ax7a ecc83 tube - amperex,

Amperex 12ax7a ecc83 tube - amperex,

$29.62
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General electronics 12ax7 - general, ge

General electronics 12ax7 - general, ge

$45.00
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12ax7a ecc83 vintage tung sol - vintage, tung-sol

12ax7a ecc83 vintage tung sol - vintage, tung-sol

$27.00
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Rca command 5751 12ax7 - 5751,

Rca command 5751 12ax7 - 5751,

$80.00
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Philips jan 12ax7wa - philips, jan-12ax7wa/ecc83

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

$79.99
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Nos sylvania gb5751 gold - gb5751, brand

Nos sylvania gb5751 gold - gb5751, brand

$100.00
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Lot rca electron tubes - 5,

Lot rca electron tubes - 5,

$59.90
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Strong vintage 1959 rca tech - vintage,

Strong vintage 1959 rca tech - vintage,

$29.99
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Matched pair rca 5963 - rca, 12au7a

Matched pair rca 5963 - rca, 12au7a

$34.99
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1950s raytheon 12ax7 - 12ax7, (ecc83)

1950s raytheon 12ax7 - 12ax7, (ecc83)

$46.95
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Two matsushita mfg 12ax7 - two, mfg.

Two matsushita mfg 12ax7 - two, mfg.

$39.95
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Matched quad tung - matched, tung-sol

Matched quad tung - matched, tung-sol

$94.95
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Matched pair genalex gold lion - genalex,

Matched pair genalex gold lion - genalex,

$104.45
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Matched pair hewlett packard - hewlett,

Matched pair hewlett packard - hewlett,

$75.00
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Telefunken 12ax7 ecc83 tube - 12ax7,

Telefunken 12ax7 ecc83 tube - 12ax7,

$75.00
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Rca 12ax7 ecc83 long plate - 12ax7,

Rca 12ax7 ecc83 long plate - 12ax7,

$54.95
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Amperex 12ax7 maxipreamp2 - amperex,

Amperex 12ax7 maxipreamp2 - amperex,

$69.99
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📊96 listings · from $16.95 · avg $95.76
⚠️ These listings were last updated more than 10 days ago. Search for fresh listings

Browse 96 12ax7 listings currently in our index. Prices range from $16.95 to $895, with an average of $95.76. 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 $16.95, while premium listings can reach $895 — giving you a wide budget spread to work with. The average price of $95.76 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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