12AU7 Tubes
About 12AU7 Tube
12AU7 is a medium gain dual triode. Due to the combination of low grid-plate capacitance and medium gain, it is suited for use in audio voltage amplifier with extended frequency range.
5814, 5963 and ECC82
12AU7 was very popular and a number of variations were made. The 5814A is a military/industrial grade 12AU7 with low noise and high reliability spec. 5963 is a 12AU7 with special long life cathode meant for use in vacuum tube computers. ECC82 is the european numbering for 12AU7.
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Single
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Various 12AU7/5963Out of stock
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JJ/Tesla 12AU7/ECC82$10.40
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RCA 12AU7/5963Out of stock
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Electro-Harmonix 12AU7$11.95
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JJ/Tesla 12AU7/ECC802S$14.00
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Electro-Harmonix 12AU7 Gold$17.50
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Various 12AU7A US$18.00
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TungSol 12AU7W$18.40
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Various 12AU7/5814A US Made$20.00
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Various 12AU7/6189$20.00
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RCA 12AU7-RCA USED Clear Top$20.00
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Mullard 12AU7$20.00
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Various 12AU7/5814A US Triple Mica$21.50
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Various 12AU7/5814A Black PlateOut of stock
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GE 12AU7/5814A 5 StarOut of stock
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JJ/Tesla 12AU7/ECC82 Gold$23.00
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JJ/Tesla 12AU7/ECC802S Gold$26.00
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Sylvania 12AU7A$29.00
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RFT 12AU7/ECC82$29.50
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RCA 12AU7-RCA$33.00
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Genalex 12AU7 Gold Lion$43.50
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CIFTE 12AU7LC$52.50
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RCA 12AU7-RCA Clear TopOut of stock
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Matched Pair
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Various 12AU7/5963 Matched PairOut of stock
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JJ/Tesla 12AU7/ECC82 Matched Pair$24.80
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Electro-Harmonix 12AU7 Matched Pair$27.90
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JJ/Tesla 12AU7/ECC802S Matched Pair$32.00
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Electro-Harmonix 12AU7 Gold Matched Pair$39.00
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TungSol 12AU7W Matched Pair$40.80
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Mullard 12AU7 Matched Pair$44.00
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Various 12AU7/5814A US Made Matching Pair$44.00
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Various 12AU7/6189 Matched Pair$44.00
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JJ/Tesla 12AU7/ECC82S Gold Matched Pair$50.00
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JJ/Tesla 12AU7/ECC802S Gold Matched Pair$56.00
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Sylvania 12AU7A Matched Pair$62.00
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RFT 12AU7/ECC82 Matched Pair$63.00
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Genalex 12AU7 Matched Pair Gold Lion$91.00
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CIFTE 12AU7LC Matched Pair$109.00
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RCA 12AU7-RCA Clear Top Matched PairOut of stock
