12AU7
The 12AU7 is a medium-mu twin triode miniature glass tube. In most circuits it is used as a class A amplifier per triode section. This tube has been, and still is, widely used in the preamplifier stages of high fidelity audio equipment, musical instrument amps, public address equipment, and broadcast equipment. It was used in so many different types of equipment that the vintage versions of this tube are still available without too much searching. Like their cousin, the 12AX7, the premium USA and West European brands are being hunted to extinction, but there are still bargains to be had in other vintage USA brands
 ECC82 TELEFUNKEN Germany Tube excellent 12AU7  US $49.90
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 12AX7 12AU7 To 6SN7 6SL7 Tubes socket Adapter US $11.90
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 MULLARD Shield Logo LP Dual Support D Getter 12AU7 Tube US $59.99
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 RCA 12AU7 12AU7A ECC83 Amp Tube BLACK PLATE MATCHED1954 US $69.95
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 2 audio tubes ECC82 12AU7 TUNGSRAM NEW NOS matched US $10.00
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 Pair audio tubes ECC82 12AU7 TUNGSRAM NEW NOS US $5.50
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 Pair audio tubes ECC82 12AU7 TUNGSRAM NEW NOS US $11.50
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 2 Tubes 12AU7 ECC82 RCA Black Plates D Getter US $12.00
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 1 Tube 12AU7 ECC82 RCA Black Plates D Getter Tested US $6.00
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 1 NOS Tube ECC82 12AU7 PHILIPS EI Tested US $6.00
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 1 Tube ECC82 12AU7 TRONAL Tested US $6.00
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 1 Tube 12AU7 ECC82 RCA Black Plates Square Getter US $6.00
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 2 Matched Tubes 12AU7 ECC82 RCA Black Plates D Getter US $12.00
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 1 Tube ECC82 12AU7 Miniwatt Barcelona Spain Tested US $6.00
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 RCA 12AU7A 12AU7 Amp Vacuum Tube CLEAR TOP MATCHED SET US $39.95
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 2 SYLVANIA GB GOLD BRAND 5814A 12AU7 Amp Vacuum Tube US $29.95
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 NEW JJ Tesla 12AU7 ECC82 Pre Amp Tube US $9.97
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 NOS 12AU7 12AU7 RFT 12AU7A Germany Matched Sections US $42.50
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 NOS 12AU7 12AU7 RFT 12AU7A Germany Matched Pair US $85.00
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 Vintage RCA 12AU7 ECC82 White Lab Black Pt Stereo Tube US $17.99
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 Very Rare Matched Pair Telefunken Ecc802S Tubes 12AU7 US $350.00
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 RCA 5814A 5814 12AU7A 12AU7 Amp Vacuum Tube BLACK S ROD US $13.88
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 Amperex Holland 7316 12AU7 Long Plate D getter HP pulls US $100.00
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 1 Used Sylvania Gold Brand 5814A 12AU7 A Tube 3 Micas US $6.95
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 E82CC 12AU7 5814A NOS NIB SIEMENS TRIPLE MICA UNUSED US $45.00
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 New Headphone Tube Amplifier 12AU7 Class A Pre Amp IPOD US $19.99
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 2 CLEAR TOP Black Plate D Getter 5814A Tubes 12AU7 US $14.99
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 1 LowHrs JAN Raytheon 5814A 12AU7 A Tube Black Plates US $4.95
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 1 Used Raytheon 5814A 12AU7A 12AU7 Tube Black Plates US $2.95
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 1 Used 1958 Sylvania Gold Brand 5814A 12AU7A 12AU7 Tube US $7.95
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 Fullmusic 12AU7 matched pair vacuume tubes US $67.99
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 6Gold 9 Pin Tube Socket for 12AX7 12AU7 6GJ8 EL84 9AG US $16.99
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 2 matched 68 70 Amperex Orange Globe 12AU7 A ECC82 tube US $53.95
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 Gibson GA 20RVT Minuteman Premium Tube Set 12AU73 US $80.97
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 GE 12AU7A 12AU7 ECC82 Guitar Amp Vacuum Tube RARE 1957 US $12.88
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 RCA JRC 12AU7 12AU7A Amp Tube BLACK PLATE MATCHED 1954 US $79.95
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 1pc ShuGuang Electron Vacuum Tubes 12AU7 ECC82 US $10.50
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 1 Matched Pair ShuGuang Vacuum Tubes 12AU7 ECC82 US $33.00
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 12AU7 6189W USA tube valve US $18.22
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 VTL 12AU7 US $4.56
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 Miniwatt 12AU7 tube valve 1 pair US $31.89
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 VINTAGE PHILLIPS MINIWATT 12AU7 ECC86 DISC GETTER TUBE US $40.00
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 6Valve AMP Tube 9 Pin Socket for 12AX7 12AU7 ECC889YG US $16.99
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 6Vacuum Tube 9 Pin Shield Socket for 12AX7 12AU7P91 US $9.99
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 100Valve Vacuum Tube 9 Pin 12AX7 12AU7 PCB SocketS9Y US $129.00
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 SYLVANIA GB 5814A 12AU7 Vacuum Tube 3 MICA MATCHED DATE US $49.95
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 50Vacuum Tube Gold Socket 12AU7 12AX7 6DJ8 EL849Y2G US $138.00
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 4pcs12AX7 12AU7 9 Pin AMPS Silver TUBE SOCKETGZC9 F US $8.88
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 50PRE AMP Vacuum Tube Socket 12AU7 12AX7 6DJ8 EL84C92 US $88.00
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 4PRE AMP Vacuum Tube Socket 12AU7 12AX7 6DJ8 EL84C92 US $10.99
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 5Radio Tube 9 Pin Panel Socket 6DJ8 12AX7 12AU7C9Y US $9.99
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 50Valve Tube 9 Pin Panel Socket 6DJ8 12AX7 12AU7C9Y US $66.00
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