For Sale USA

12au7

4

12au7 for sale on largest auction and classifieds sites

Home / / 12au7 refurbished & used for sale | For Sale USA
Telefunken ecc82 12au7 ribbed - ecc82/12au7,

Telefunken ecc82 12au7 ribbed - ecc82/12au7,

$109.99
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Matched pair rca 12au7a - matched,

Matched pair rca 12au7a - matched,

$54.95
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Matched rca clear top 12au7a - 2,

Matched rca clear top 12au7a - 2,

$45.95
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Pair vintage 1960s - (2),

Pair vintage 1960s - (2),

$20.95
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Matched pair amperex bugle - matched,

Matched pair amperex bugle - matched,

$185.00
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Mullard made ecc82 12au7 long - ecc82/12au7,

Mullard made ecc82 12au7 long - ecc82/12au7,

$240.00
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1959 sylvania 12au7 platinum - sylvania,

1959 sylvania 12au7 platinum - sylvania,

$39.95
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Matched pair amperex bugle - matched,

Matched pair amperex bugle - matched,

$240.00
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Philips ecg 5814a 12au7 - philips,

Philips ecg 5814a 12au7 - philips,

$40.00
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Rca made black plate - black, 12au7

Rca made black plate - black, 12au7

$80.00
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Used rca 12au7 black plate - 2,

Used rca 12au7 black plate - 2,

$38.00
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Telefunken 12au7 ecc82 tube - 12au7,

Telefunken 12au7 ecc82 tube - 12au7,

$75.00
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1957 raytheon 12au7 ecc82 - 1957, 12au7/ecc82

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

$44.95
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Trio mullard iec - mullard, long

Trio mullard iec - mullard, long

$244.95
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Pair raytheon japan - of, 12au7

Pair raytheon japan - of, 12au7

$49.50
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12ay7 1960 low noise bars - 12ay7,

12ay7 1960 low noise bars - 12ay7,

$149.99
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Matched pair rca 12au7 ecc82 - matched,

Matched pair rca 12au7 ecc82 - matched,

$44.95
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Pair 1950s tung sol black - 1950s,

Pair 1950s tung sol black - 1950s,

$48.95
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Telefunken 12au7 ecc82 smooth - 12au7,

Telefunken 12au7 ecc82 smooth - 12au7,

$65.00
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Matched raytheon 12au7a - matched,

Matched raytheon 12au7a - matched,

$33.95
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Pair mullard 12au7 tubes gray - pair,

Pair mullard 12au7 tubes gray - pair,

$69.00
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Telefunken 12au7 ecc82 - 2-telefunken,

Telefunken 12au7 ecc82 - 2-telefunken,

$120.00
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Bulk lot vintage - bulk,

Bulk lot vintage - bulk,

$200.00
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Lot rca 12au7 vacuum - rca,

Lot rca 12au7 vacuum - rca,

$27.99
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12au7a 12au7 tube - tube, tested

12au7a 12au7 tube - tube, tested

$6.25
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Lot vintage 1965 12au7a - lot,

Lot vintage 1965 12au7a - lot,

$69.99
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Amperex bugle boy - boy, 12au7

Amperex bugle boy - boy, 12au7

$110.00
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New genalex gold lion 12au7 - 1x,

New genalex gold lion 12au7 - 1x,

$50.95
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1957 mullard 12au7 ecc82 - mullard,

1957 mullard 12au7 ecc82 - mullard,

$150.00
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Nib matched pair rca 12au7a - nib,

Nib matched pair rca 12au7a - nib,

$49.99
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Matched pair rca 5814a - pair,

Matched pair rca 5814a - pair,

$69.95
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Matched pair westinghouse - pair,

Matched pair westinghouse - pair,

$39.99
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Amperex bugle boy 12au7 ecc82 - bugle,

Amperex bugle boy 12au7 ecc82 - bugle,

$45.00
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Matched pair sylvania - pair, 12au7a

Matched pair sylvania - pair, 12au7a

$39.95
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Mullard ecc82 12au7a - mullard,

Mullard ecc82 12au7a - mullard,

$59.95
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Three tested good 12au7 - tested,

Three tested good 12au7 - tested,

$10.00
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Matched pair conn - matched, of

Matched pair conn - matched, of

$22.95
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Vintage strong matched pair - strong,

Vintage strong matched pair - strong,

$159.99
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1953 philips copenhagen - 1953,

1953 philips copenhagen - 1953,

$750.00
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1957 mullard 12au7 ecc82 - mullard,

1957 mullard 12au7 ecc82 - mullard,

$195.00
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Vintage rca 12au7a platinum - vintage, platinum++

Vintage rca 12au7a platinum - vintage, platinum++

$34.95
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Mullard ecc82 12au7 - mullard, /

Mullard ecc82 12au7 - mullard, /

$39.99
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Mullard made ecc82 12au7 - made, long

Mullard made ecc82 12au7 - made, long

$240.00
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Amperex ecc32 12au7 matching - ecc32/12au7,

Amperex ecc32 12au7 matching - ecc32/12au7,

$380.00
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Rca 12au7a matching pair - rca,

Rca 12au7a matching pair - rca,

$80.00
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Great britain - great,

Great britain - great,

$49.99
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Cv4003 brimar nos - cv4003, pair

Cv4003 brimar nos - cv4003, pair

$99.00
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Mullard ecc82 12au7a matching - , ecc82/12au7a

Mullard ecc82 12au7a matching - , ecc82/12au7a

$140.00
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Nos nib philips jan - nib, 5814a

Nos nib philips jan - nib, 5814a

$39.95
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Rca 12au7a long black plate - long, d

Rca 12au7a long black plate - long, d

$17.99
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Brand new mullard reissue - brand,

Brand new mullard reissue - brand,

$64.78
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Strong pair 12au7a short - ge,

Strong pair 12au7a short - ge,

$29.95
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Sylvania usn chs 5963 - sylvania,

Sylvania usn chs 5963 - sylvania,

$7.49
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1958 sylvania 12au7 ecc82 - 1958,

1958 sylvania 12au7 ecc82 - 1958,

$44.95
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12au7a philco baldwin - 12au7a, philco/baldwin

12au7a philco baldwin - 12au7a, philco/baldwin

$44.99
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1950s rca usa 12au7a ecc82 - 1950s,

1950s rca usa 12au7a ecc82 - 1950s,

$314.99
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Matched quad mullard blackburn - mullard,

Matched quad mullard blackburn - mullard,

$199.00
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Mullard 12au7 ecc82 - ecc82, labeled

Mullard 12au7 ecc82 - ecc82, labeled

$75.00
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Tung sol 12au7 - tung,

Tung sol 12au7 - tung,

$40.00
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Matched pair tubes 12au7 - tubes, /

Matched pair tubes 12au7 - tubes, /

$215.00
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12au7a cbs hytron hammond - 4,

12au7a cbs hytron hammond - 4,

$39.00
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Matched pair nos nib - matched,

Matched pair nos nib - matched,

$129.00
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Matched pair sylvania - matched,

Matched pair sylvania - matched,

$42.95
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Matched rca clear top 12au7a - clear-top,

Matched rca clear top 12au7a - clear-top,

$49.95
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Pair 1959 1960 raytheon usa - 1959/1960,

Pair 1959 1960 raytheon usa - 1959/1960,

$20.95
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Nos nib matched pair 1960 - nos,

Nos nib matched pair 1960 - nos,

$99.00
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12au7 ecc82 telefunken - 12au7/ecc82,

12au7 ecc82 telefunken - 12au7/ecc82,

$299.99
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Nos nib ecc82 - ecc82, /

Nos nib ecc82 - ecc82, /

$45.00
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5965 match pair nos - match,

5965 match pair nos - match,

$19.95
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Rca 12au7 clear - a, top

Rca 12au7 clear - a, top

$25.50
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New mullard ecc82 - new, vacuum

New mullard ecc82 - new, vacuum

$23.95
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Matched lot - matched,

Matched lot - matched,

$99.95
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Mullard iec 12au7a ecc82 - (2),

Mullard iec 12au7a ecc82 - (2),

$109.99
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Rca 12au7a ecc82 vacuum - 3,

Rca 12au7a ecc82 vacuum - 3,

$29.98
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12au7 ecc82 mullard balanced - 12au7,

12au7 ecc82 mullard balanced - 12au7,

$34.95
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Rca 12au7a tube pair - rca, (tone

Rca 12au7a tube pair - rca, (tone

$25.00
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Strong usa made - 5,

Strong usa made - 5,

$29.99
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Telefunken ecc82 - ,

Telefunken ecc82 - ,

$175.00
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Pair mullard gt - pair, labeled)

Pair mullard gt - pair, labeled)

$56.95
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Sylvania gold brand - gold, gb-6201

Sylvania gold brand - gold, gb-6201

$30.00
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Mullard 12au7a matching pair - mullard,

Mullard 12au7a matching pair - mullard,

$100.00
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Mathched pair raytheon baldwin - pair,

Mathched pair raytheon baldwin - pair,

$39.99
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1952 12au7 ecc82 - 12au7/ecc82, platinum

1952 12au7 ecc82 - 12au7/ecc82, platinum

$34.95
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12au7 ecc82 telefunken - 2, 12au7/ecc82

12au7 ecc82 telefunken - 2, 12au7/ecc82

$230.00
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Tung sol 12au7 - black, glass

Tung sol 12au7 - black, glass

$24.99
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Philips miniwatt ecc82 12au7 - philips,

Philips miniwatt ecc82 12au7 - philips,

$192.00
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12au7 sylvania tubes black - 12au7, tubes*black

12au7 sylvania tubes black - 12au7, tubes*black

$88.99
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12au7 ecc82 raytheon - ecc82, usa

12au7 ecc82 raytheon - ecc82, usa

$199.99
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Nos pair tubes 12au7 ecc82 - pair, /

Nos pair tubes 12au7 ecc82 - pair, /

$199.00
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1950s rca usa 12au7a - rca,

1950s rca usa 12au7a - rca,

$157.50
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Mullard ecc82 12au7 vacuum - ecc82,

Mullard ecc82 12au7 vacuum - ecc82,

$48.00
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Lot ibm 6211 - ge, /

Lot ibm 6211 - ge, /

$15.00
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Qty 12au7 6189 - 12au7,

Qty 12au7 6189 - 12au7,

$4.95
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Rca 12au7 ecc82 tall plate - rca,

Rca 12au7 ecc82 tall plate - rca,

$4.95
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Rca 12au7 ecc82 made vacuum - rca,

Rca 12au7 ecc82 made vacuum - rca,

$18.95
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Nos sylvania jan - nos,

Nos sylvania jan - nos,

$50.00
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📊96 listings · from $4.95 · avg $94.31

Browse 96 12au7 listings currently in our index. Prices range from $4.95 to $750, with an average of $94.31. 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 12au7 →

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Everything you need to know about 12au7

Whether you are looking for a brand-new or second-hand 12au7, 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 $4.95, while premium listings can reach $750 — giving you a wide budget spread to work with. The average price of $94.31 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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