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12DW7 - 7247 - ECC832

12DW7 - 7247 - ECC832

The 12DW7 is a fairly obscure tube that several amplifier manufacturers used in the past. The tube is essentially one-half 12AX7 and one half 12AU7 with unbalanced triodes. It makes a lot of sense to use in circuits with limited space. 

Compatible and/or equivalent tubes: 12DW7, 7247, ECC832.

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  • New Gain Matched Sextet Electro-Harmonix 12DW7 / ECC832 Vacuum Tubes

    New Matched Sextet (6) Electro-Harmonix 12DW7 / ECC832 Vacuum Tubes

    Electro-Harmonix

    $266.49
    New Gain Matched Sextet of Electro-Harmonix 12DW7 / ECC832 Vacuum Tubes Superior dual triode preamp tube. One triode is a high-mu 12AX7 equivalent, and the other a medium-mu 12AU7, combined in this dual triode. • New design of excellent quality...
    $266.49
    Qty in Cart: 0
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    $266.49
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  • New Gain Matched Quintet Electro-Harmonix 12DW7 / ECC832 Vacuum Tubes

    New Matched Quintet (5) Electro-Harmonix 12DW7 / ECC832 Vacuum Tubes

    Electro-Harmonix

    $222.65
    New Gain Matched Quintet of Electro-Harmonix 12DW7 / ECC832 Vacuum Tubes Superior dual triode preamp tube. One triode is a high-mu 12AX7 equivalent, and the other a medium-mu 12AU7, combined in this dual triode. • New design of excellent quality...
    $222.65
    Qty in Cart: 0
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    $222.65
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  • New Gain Matched Quad Electro-Harmonix 12DW7 / ECC832 Vacuum Tubes

    New Matched Quad (4) Electro-Harmonix 12DW7 / ECC832 Vacuum Tubes

    Electro-Harmonix

    $178.80
    New Gain Matched Quad of Electro-Harmonix 12DW7 / ECC832 Vacuum Tubes Superior dual triode preamp tube. One triode is a high-mu 12AX7 equivalent, and the other a medium-mu 12AU7, combined in this dual triode. • New design of excellent quality •...
    $178.80
    Qty in Cart: 0
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    $178.80
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  • New Gain Matched Trio Electro-Harmonix 12DW7 / ECC832 Vacuum Tubes

    New Matched Trio (3) Electro-Harmonix 12DW7 / ECC832 Vacuum Tubes

    Electro-Harmonix

    $134.96
    New Gain Matched Trio of Electro-Harmonix 12DW7 / ECC832 Vacuum Tubes Superior dual triode preamp tube. One triode is a high-mu 12AX7 equivalent, and the other a medium-mu 12AU7, combined in this dual triode. • New design of excellent quality •...
    $134.96
    Qty in Cart: 0
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    $134.96
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  • New Gain Matched Pair Electro-Harmonix 12DW7 / ECC832 Vacuum Tubes

    New Matched Pair (2) Electro-Harmonix 12DW7 / ECC832 Vacuum Tubes

    Electro-Harmonix

    $91.11
    New Gain Matched Pair of Electro-Harmonix 12DW7 / ECC832 Vacuum Tubes Superior dual triode preamp tube. One triode is a high-mu 12AX7 equivalent, and the other a medium-mu 12AU7, combined in this dual triode. • New design of excellent quality •...
    $91.11
    Qty in Cart: 0
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    $91.11
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  • New Gain Tested Electro-Harmonix 12DW7 / ECC832 Vacuum Tube

    New Electro-Harmonix 12DW7 / ECC832 Vacuum Tube

    Electro-Harmonix

    $47.27
    New Gain Tested Electro-Harmonix 12DW7 / ECC832 Vacuum Tube Superior dual triode preamp tube. One triode is a high-mu 12AX7 equivalent, and the other a medium-mu 12AU7, combined in this dual triode. • New design of excellent quality • Relabeled...
    $47.27
    Qty in Cart: 0
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    $47.27
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  • Gain Matched Quintet (5) JJ 12DW7 / ECC832 / 7247 Vacuum Tubes - Brand New

    New Gain Matched Quintet (5) JJ 12DW7 / ECC832 / 7247 Vacuum Tubes

    JJ Electronic

    $138.62
    New Gain Matched Quintet of JJ 12DW7 Vacuum Tubes JJ is an undisputed leader in modern vacuum tube manufacturing, and for good reason. In the preamp stage, their ECC832 (12DW7 / 7247) is an industry favorite, as it provides excellent sonic performance...
    $138.62
    Qty in Cart: 0
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    $138.62
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  • Gain Matched Quad (4) JJ 12DW7 / ECC832 / 7247 Vacuum Tubes - Brand New

    New Gain Matched Quad (4) JJ 12DW7 / ECC832 / 7247 Vacuum Tubes

    JJ Electronic

    $111.74
    New Gain Matched Quad of JJ 12DW7 Vacuum Tubes JJ is an undisputed leader in modern vacuum tube manufacturing, and for good reason. In the preamp stage, their ECC832 (12DW7 / 7247) is an industry favorite, as it provides excellent sonic performance...
    $111.74
    Qty in Cart: 0
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    $111.74
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  • Gain Matched Trio (3) JJ 12DW7 / ECC832 / 7247 Vacuum Tubes - Brand New

    New Gain Matched Trio (3) JJ 12DW7 / ECC832 / 7247 Vacuum Tubes

    JJ Electronic

    $84.85
    New Gain Matched Trio of JJ 12DW7 Vacuum Tubes JJ is an undisputed leader in modern vacuum tube manufacturing, and for good reason. In the preamp stage, their ECC832 (12DW7 / 7247) is an industry favorite, as it provides excellent sonic performance...
    $84.85
    Qty in Cart: 0
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    $84.85
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  • Gain Matched Pair (2) JJ 12DW7 / ECC832 / 7247 Vacuum Tubes - Brand New

    New Matched Pair (2) JJ 12DW7 / ECC832 / 7247 Vacuum Tubes

    JJ Electronic

    $57.96
    New Gain Matched Pair of JJ 12DW7 Vacuum Tubes JJ is an undisputed leader in modern vacuum tube manufacturing, and for good reason. In the preamp stage, their ECC832 (12DW7 / 7247) is an industry favorite, as it provides excellent sonic performance...
    $57.96
    Qty in Cart: 0
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    $57.96
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  • JJ 12DW7 / ECC832 / 7247 Gain Tested Vacuum Tube - Brand New

    New JJ 12DW7 / ECC832 / 7247 Vacuum Tube

    JJ Electronic

    $31.08
    New Gain Tested JJ 12DW7 Vacuum Tube JJ is an undisputed leader in modern vacuum tube manufacturing, and for good reason. In the preamp stage, their ECC832 (12DW7 / 7247) is an industry favorite as it provides excellent sonic performance along with...
    $31.08
    Qty in Cart: 0
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    $31.08
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