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
Buy It Now

» View on eBay #sponsored
Matched pair rca 12au7a - matched,

Matched pair rca 12au7a - matched,

$54.95
Buy It Now

» View on eBay #sponsored
Matched rca clear - matched,

Matched rca clear - matched,

$45.95
Buy It Now

» View on eBay #sponsored
Pair vintage 1960s - pair, (2)

Pair vintage 1960s - pair, (2)

$20.95
Buy It Now

» View on eBay #sponsored
Matched pair amperex bugle boy - amperex,

Matched pair amperex bugle boy - amperex,

$185.00
Buy It Now

» View on eBay #sponsored
Mullard made ecc82 - made, long

Mullard made ecc82 - made, long

$240.00
Buy It Now

» View on eBay #sponsored
1959 sylvania 12au7 platinum - 1959,

1959 sylvania 12au7 platinum - 1959,

$39.95
Buy It Now

» View on eBay #sponsored
Matched pair amperex bugle - matched,

Matched pair amperex bugle - matched,

$240.00
Buy It Now

» View on eBay #sponsored
Philips ecg 5814a - philips, 12au7

Philips ecg 5814a - philips, 12au7

$40.00
Buy It Now

» View on eBay #sponsored
Rca made black plate 12au7 - made,

Rca made black plate 12au7 - made,

$80.00
Buy It Now

» View on eBay #sponsored
Used rca 12au7 black plate - used,

Used rca 12au7 black plate - used,

$38.00
Buy It Now

» View on eBay #sponsored
Telefunken 12au7 ecc82 tube - 12au7,

Telefunken 12au7 ecc82 tube - 12au7,

$75.00
Buy It Now

» View on eBay #sponsored
1957 raytheon 12au7 - raytheon, 12au7/ecc82

1957 raytheon 12au7 - raytheon, 12au7/ecc82

$44.95
Buy It Now

» View on eBay #sponsored
Trio mullard iec - mullard, long

Trio mullard iec - mullard, long

$244.95
Buy It Now

» View on eBay #sponsored
Pair raytheon japan - raytheon, 12au7

Pair raytheon japan - raytheon, 12au7

$49.50
Buy It Now

» View on eBay #sponsored
12ay7 1960 low noise - low,

12ay7 1960 low noise - low,

$149.99
Buy It Now

» View on eBay #sponsored
Matched pair rca 12au7 - matched, ecc82

Matched pair rca 12au7 - matched, ecc82

$44.95
Buy It Now

» View on eBay #sponsored
Pair 1950s tung sol - pair,

Pair 1950s tung sol - pair,

$48.95
Buy It Now

» View on eBay #sponsored
Telefunken 12au7 ecc82 - 12au7, smooth

Telefunken 12au7 ecc82 - 12au7, smooth

$65.00
Buy It Now

» View on eBay #sponsored
Matched raytheon 12au7a - matched,

Matched raytheon 12au7a - matched,

$33.95
Buy It Now

» View on eBay #sponsored
Pair mullard 12au7 tubes gray - mullard,

Pair mullard 12au7 tubes gray - mullard,

$69.00
Buy It Now

» View on eBay #sponsored
Telefunken 12au7 ecc82 - 12au7,

Telefunken 12au7 ecc82 - 12au7,

$120.00
Buy It Now

» View on eBay #sponsored
Bulk lot vintage - bulk,

Bulk lot vintage - bulk,

$200.00
Buy It Now

» View on eBay #sponsored
Lot rca 12au7 vacuum - (10),

Lot rca 12au7 vacuum - (10),

$27.99
Buy It Now

» View on eBay #sponsored
12au7a 12au7 tube tested - tube,

12au7a 12au7 tube tested - tube,

$6.25
Buy It Now

» View on eBay #sponsored
Lot vintage 1965 12au7a - 2,

Lot vintage 1965 12au7a - 2,

$69.99
Buy It Now

» View on eBay #sponsored
Amperex bugle boy 12au7 - 2-amperex,

Amperex bugle boy 12au7 - 2-amperex,

$110.00
Buy It Now

» View on eBay #sponsored
New genalex gold - genalex, 12au7

New genalex gold - genalex, 12au7

$50.95
Buy It Now

» View on eBay #sponsored
1957 mullard 12au7 - 1957,

1957 mullard 12au7 - 1957,

$150.00
Buy It Now

» View on eBay #sponsored
Nib matched pair rca - matched, 12au7a

Nib matched pair rca - matched, 12au7a

$49.99
Buy It Now

» View on eBay #sponsored
Matched pair rca 5814a - matched,

Matched pair rca 5814a - matched,

$69.95
Buy It Now

» View on eBay #sponsored
Matched pair westinghouse - matched,

Matched pair westinghouse - matched,

$39.99
Buy It Now

» View on eBay #sponsored
Amperex bugle boy 12au7 - boy, ecc82

Amperex bugle boy 12au7 - boy, ecc82

$45.00
Buy It Now

» View on eBay #sponsored
Matched pair sylvania 12au7a - matched,

Matched pair sylvania 12au7a - matched,

$39.95
Buy It Now

» View on eBay #sponsored
Mullard ecc82 12au7a - , ecc82/12au7a

Mullard ecc82 12au7a - , ecc82/12au7a

$59.95
Buy It Now

» View on eBay #sponsored
Three tested good - tested, 12au7

Three tested good - tested, 12au7

$10.00
Buy It Now

» View on eBay #sponsored
Matched pair conn sylvania - matched,

Matched pair conn sylvania - matched,

$22.95
Buy It Now

» View on eBay #sponsored
Vintage strong matched - strong, pair

Vintage strong matched - strong, pair

$159.99
Buy It Now

» View on eBay #sponsored
1953 philips copenhagen - 1953, ecc82

1953 philips copenhagen - 1953, ecc82

$750.00
Buy It Now

» View on eBay #sponsored
1957 mullard 12au7 ecc82 - ,

1957 mullard 12au7 ecc82 - ,

$195.00
Buy It Now

» View on eBay #sponsored
Vintage rca 12au7a platinum - rca,

Vintage rca 12au7a platinum - rca,

$34.95
Buy It Now

» View on eBay #sponsored
Mullard ecc82 12au7 - /, vacuum

Mullard ecc82 12au7 - /, vacuum

$39.99
Buy It Now

» View on eBay #sponsored
Mullard made ecc82 - made, ecc82/12au7

Mullard made ecc82 - made, ecc82/12au7

$240.00
Buy It Now

» View on eBay #sponsored
Amperex ecc32 12au7 - amperex, matching

Amperex ecc32 12au7 - amperex, matching

$380.00
Buy It Now

» View on eBay #sponsored
Rca 12au7a matching pair - rca,

Rca 12au7a matching pair - rca,

$80.00
Buy It Now

» View on eBay #sponsored
Great britain - great,

Great britain - great,

$49.99
Buy It Now

» View on eBay #sponsored
Cv4003 brimar nos 12au7 - nos,

Cv4003 brimar nos 12au7 - nos,

$99.00
Buy It Now

» View on eBay #sponsored
Mullard ecc82 12au7a - ecc82/12au7a, matching

Mullard ecc82 12au7a - ecc82/12au7a, matching

$140.00
Buy It Now

» View on eBay #sponsored
Nos nib philips jan - nib, 5814a

Nos nib philips jan - nib, 5814a

$39.95
Buy It Now

» View on eBay #sponsored
Rca 12au7a long black plate - rca,

Rca 12au7a long black plate - rca,

$17.99
Buy It Now

» View on eBay #sponsored
Brand new mullard reissue - brand,

Brand new mullard reissue - brand,

$64.78
Buy It Now

» View on eBay #sponsored
Strong pair 12au7a short - strong,

Strong pair 12au7a short - strong,

$29.95
Buy It Now

» View on eBay #sponsored
Sylvania usn chs 5963 - sylvania,

Sylvania usn chs 5963 - sylvania,

$7.49
Buy It Now

» View on eBay #sponsored
1958 sylvania 12au7 ecc82 - 1958,

1958 sylvania 12au7 ecc82 - 1958,

$44.95
Buy It Now

» View on eBay #sponsored
12au7a philco baldwin - 2, x

12au7a philco baldwin - 2, x

$44.99
Buy It Now

» View on eBay #sponsored
1950s rca usa 12au7a ecc82 - 1950s,

1950s rca usa 12au7a ecc82 - 1950s,

$314.99
Buy It Now

» View on eBay #sponsored
Matched quad mullard blackburn - matched,

Matched quad mullard blackburn - matched,

$199.00
Buy It Now

» View on eBay #sponsored
Mullard 12au7 ecc82 labeled - mullard,

Mullard 12au7 ecc82 labeled - mullard,

$75.00
Buy It Now

» View on eBay #sponsored
Tung sol 12au7 new - sol,

Tung sol 12au7 new - sol,

$40.00
Buy It Now

» View on eBay #sponsored
Matched pair tubes 12au7 - pair, /

Matched pair tubes 12au7 - pair, /

$215.00
Buy It Now

» View on eBay #sponsored
12au7a cbs hytron - x, hammond

12au7a cbs hytron - x, hammond

$39.00
Buy It Now

» View on eBay #sponsored
Matched pair nos nib 12au7 - nos,

Matched pair nos nib 12au7 - nos,

$129.00
Buy It Now

» View on eBay #sponsored
Matched pair sylvania jan 6189 - pair,

Matched pair sylvania jan 6189 - pair,

$42.95
Buy It Now

» View on eBay #sponsored
Matched rca clear - rca, 12au7a

Matched rca clear - rca, 12au7a

$49.95
Buy It Now

» View on eBay #sponsored
Pair 1959 1960 - pair, 1959/1960

Pair 1959 1960 - pair, 1959/1960

$20.95
Buy It Now

» View on eBay #sponsored
Nos nib matched pair 1960 - nib,

Nos nib matched pair 1960 - nib,

$99.00
Buy It Now

» View on eBay #sponsored
12au7 ecc82 telefunken - 12au7/ecc82,

12au7 ecc82 telefunken - 12au7/ecc82,

$299.99
Buy It Now

» View on eBay #sponsored
Nos nib ecc82 12au7 - ecc82, /

Nos nib ecc82 12au7 - ecc82, /

$45.00
Buy It Now

» View on eBay #sponsored
5965 match pair nos - match,

5965 match pair nos - match,

$19.95
Buy It Now

» View on eBay #sponsored
Rca 12au7 clear top vacuum - rca,

Rca 12au7 clear top vacuum - rca,

$25.50
Buy It Now

» View on eBay #sponsored
New mullard ecc82 - ecc82/12au7, vacuum

New mullard ecc82 - ecc82/12au7, vacuum

$23.95
Buy It Now

» View on eBay #sponsored
Matched lot - of, (3)

Matched lot - of, (3)

$99.95
Buy It Now

» View on eBay #sponsored
Mullard iec 12au7a ecc82 - mullard,

Mullard iec 12au7a ecc82 - mullard,

$109.99
Buy It Now

» View on eBay #sponsored
Rca 12au7a ecc82 vacuum - 3, 12au7a/ecc82

Rca 12au7a ecc82 vacuum - 3, 12au7a/ecc82

$29.98
Buy It Now

» View on eBay #sponsored
12au7 ecc82 mullard balanced - 12au7,

12au7 ecc82 mullard balanced - 12au7,

$34.95
Buy It Now

» View on eBay #sponsored
Rca 12au7a tube pair - rca, (tone

Rca 12au7a tube pair - rca, (tone

$25.00
Buy It Now

» View on eBay #sponsored
Strong usa made - usa,

Strong usa made - usa,

$29.99
Buy It Now

» View on eBay #sponsored
Telefunken ecc82 - ,

Telefunken ecc82 - ,

$175.00
Buy It Now

» View on eBay #sponsored
Pair mullard gt - labeled),

Pair mullard gt - labeled),

$56.95
Buy It Now

» View on eBay #sponsored
Sylvania gold brand 6201 - gold,

Sylvania gold brand 6201 - gold,

$30.00
Buy It Now

» View on eBay #sponsored
Mullard 12au7a matching - mullard,

Mullard 12au7a matching - mullard,

$100.00
Buy It Now

» View on eBay #sponsored
Mathched pair raytheon - raytheon, baldwin

Mathched pair raytheon - raytheon, baldwin

$39.99
Buy It Now

» View on eBay #sponsored
1952 12au7 ecc82 platinum - 1952, ge

1952 12au7 ecc82 platinum - 1952, ge

$34.95
Buy It Now

» View on eBay #sponsored
12au7 ecc82 telefunken - 2,

12au7 ecc82 telefunken - 2,

$230.00
Buy It Now

» View on eBay #sponsored
Tung sol 12au7 - tung, glass

Tung sol 12au7 - tung, glass

$24.99
Buy It Now

» View on eBay #sponsored
Philips miniwatt ecc82 - miniwatt, 12au7

Philips miniwatt ecc82 - miniwatt, 12au7

$192.00
Buy It Now

» View on eBay #sponsored
12au7 sylvania tubes - x,

12au7 sylvania tubes - x,

$88.99
Buy It Now

» View on eBay #sponsored
12au7 ecc82 raytheon usa - raytheon,

12au7 ecc82 raytheon usa - raytheon,

$199.99
Buy It Now

» View on eBay #sponsored
Nos pair tubes 12au7 - nos, /

Nos pair tubes 12au7 - nos, /

$199.00
Buy It Now

» View on eBay #sponsored
1950s rca usa 12au7a - usa, ecc82

1950s rca usa 12au7a - usa, ecc82

$157.50
Buy It Now

» View on eBay #sponsored
Mullard ecc82 12au7 vacuum - ecc82,

Mullard ecc82 12au7 vacuum - ecc82,

$48.00
Buy It Now

» View on eBay #sponsored
Lot ibm 6211 - /,

Lot ibm 6211 - /,

$15.00
Buy It Now

» View on eBay #sponsored
Qty 12au7 6189 - qty, 5814a

Qty 12au7 6189 - qty, 5814a

$4.95
Buy It Now

» View on eBay #sponsored
Rca 12au7 ecc82 - 12au7,

Rca 12au7 ecc82 - 12au7,

$4.95
Buy It Now

» View on eBay #sponsored
Rca 12au7 ecc82 - rca, ge

Rca 12au7 ecc82 - rca, ge

$18.95
Buy It Now

» View on eBay #sponsored
Nos sylvania jan - nos,

Nos sylvania jan - nos,

$50.00
Buy It Now

» View on eBay #sponsored

Looking for more 12au7?

Search eBay live — fresh results filtered for the best value, updated every hour.

🔍 Search live deals
📊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 →

Try this: bamileke | unsmoked | hardinge | musky | gorham salt | dogtra 1900s | julienne | votex | mooney | evan gattis

Shop by budget

< $25 $25 – $50 $50 – $100 $100 – $200 $200 – $500 > $500

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.

🔍 12au7 Search live on eBay