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12 Volt - All

12 Volt - All

12 Volt Preamp Tubes. 

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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

    $287.35
    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...
    $287.35
    Qty in Cart: 0
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    Price:
    $287.35
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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

    $239.37
    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...
    $239.37
    Qty in Cart: 0
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    $239.37
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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

    $191.39
    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 •...
    $191.39
    Qty in Cart: 0
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    $191.39
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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

    $143.41
    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 •...
    $143.41
    Qty in Cart: 0
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    Price:
    $143.41
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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

    $95.43
    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 •...
    $95.43
    Qty in Cart: 0
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    Price:
    $95.43
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  • New Gain Tested Electro-Harmonix 12DW7 / ECC832 Vacuum Tube

    New Electro-Harmonix 12DW7 / ECC832 Vacuum Tube

    Electro-Harmonix

    $47.45
    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...
    $47.45
    Qty in Cart: 0
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    Price:
    $47.45
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  • New Gain Matched Septet Electro-Harmonix 7025 (12AX7) Vacuum Tubes

    New Matched Septet (7) Electro-Harmonix 7025 (12AX7) Vacuum Tubes

    Electro-Harmonix

    $224.65
    New Gain Matched Septet of Electro-Harmonix 7025 (12AX7) Vacuum Tubes Electro-Harmonix has released a low noise, low microphonic version of the 12AX7 that meets all specifications required for the tube to be designated 7025. The original 7025 tube was a...
    $224.65
    Qty in Cart: 0
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    $224.65
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  • New Gain Matched Sextet Electro-Harmonix 7025 (12AX7) Vacuum Tubes

    New Matched Sextet (6) Electro-Harmonix 7025 (12AX7) Vacuum Tubes

    Electro-Harmonix

    $192.48
    New Gain Matched Sextet of Electro-Harmonix 7025 (12AX7) Vacuum Tubes Electro-Harmonix has released a low noise, low microphonic version of the 12AX7 that meets all specifications required for the tube to be designated 7025. The original 7025 tube was a...
    $192.48
    Qty in Cart: 0
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    Price:
    $192.48
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  • New Gain Matched Quintet Electro-Harmonix 7025 (12AX7) Vacuum Tubes

    New Matched Quintet (5) Electro-Harmonix 7025 (12AX7) Vacuum Tubes

    Electro-Harmonix

    $160.32
    New Gain Matched Quintet of Electro-Harmonix 7025 (12AX7) Vacuum Tubes Electro-Harmonix has released a low noise, low microphonic version of the 12AX7 that meets all specifications required for the tube to be designated 7025. The original 7025 tube was a...
    $160.32
    Qty in Cart: 0
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    Price:
    $160.32
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  • New Gain Matched Quad Electro-Harmonix 7025 (12AX7) Vacuum Tubes

    New Matched Quad (4) Electro-Harmonix 7025 (12AX7) Vacuum Tubes

    Electro-Harmonix

    $128.15
    New Gain Matched Quad of Electro-Harmonix 7025 (12AX7) Vacuum Tubes Electro-Harmonix has released a low noise, low microphonic version of the 12AX7 that meets all specifications required for the tube to be designated 7025. The original 7025 tube was a...
    $128.15
    Qty in Cart: 0
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    Price:
    $128.15
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  • New Gain Matched Trio Electro-Harmonix 7025 (12AX7) Vacuum Tubes

    New Matched Trio (3) Electro-Harmonix 7025 (12AX7) Vacuum Tubes

    Electro-Harmonix

    $95.98
    New Gain Matched Trio of Electro-Harmonix 7025 (12AX7) Vacuum Tubes Electro-Harmonix has released a low noise, low microphonic version of the 12AX7 that meets all specifications required for the tube to be designated 7025. The original 7025 tube was a...
    $95.98
    Qty in Cart: 0
    Quantity:
    Price:
    $95.98
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  • New Gain Matched Pair Electro-Harmonix 7025 (12AX7) Vacuum Tubes

    New Matched Pair (2) Electro-Harmonix 7025 (12AX7) Vacuum Tubes

    Electro-Harmonix

    $63.81
    New Gain Matched Pair of Electro-Harmonix 7025 (12AX7) Vacuum Tubes Electro-Harmonix has released a low noise, low microphonic version of the 12AX7 that meets all specifications required for the tube to be designated 7025. The original 7025 tube was a...
    $63.81
    Qty in Cart: 0
    Quantity:
    Price:
    $63.81
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  • New Electro-Harmonix 7025 (12AX7) Vacuum Tube

    New Electro-Harmonix 7025 (12AX7) Vacuum Tube

    Electro-Harmonix

    $31.64
    New Electro-Harmonix 7025 (12AX7) Vacuum Tube Electro-Harmonix has released a low noise, low microphonic version of the 12AX7 that meets all specifications required for the tube to be designated 7025. The original 7025 tube was a 12AX7 that was tested...
    $31.64
    Qty in Cart: 0
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    Price:
    $31.64
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  • Brand New Gain Matched Quad (4) Electro-Harmonix 12BH7 Gold Pin Vacuum Tubes

    New Matched Quad (4) Electro-Harmonix 12BH7 Gold Pins Vacuum Tubes

    Electro-Harmonix

    $182.86
    New Gain Matched Quad of Electro-Harmonix 12BH7 Gold Pins Vacuum Tubes The newly produced Electro-Harmonix 12BH7 boasts twin triodes with 3.5 watts of dissipation per plate. An excellent replacement for any NOS or vintage 12BH7. Gold pins offer a less...
    $182.86
    Qty in Cart: 0
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    Price:
    $182.86
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  • Brand New Gain Matched Pair (2) Electro-Harmonix 12BH7 Gold Pin Vacuum Tubes

    New Matched Pair (2) Electro-Harmonix 12BH7 Gold Pins Vacuum Tubes

    Electro-Harmonix

    $91.16
    New Gain Matched Pair of Electro-Harmonix 12BH7 Gold Pins Vacuum Tubes The newly produced Electro-Harmonix 12BH7 boasts twin triodes with 3.5 watts of dissipation per plate. An excellent replacement for any NOS or vintage 12BH7. Gold pins offer a less...
    $91.16
    Qty in Cart: 0
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    $91.16
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  • Brand New Gain Tested Electro-Harmonix 12BH7 Gold Pins Vacuum Tube

    New Electro-Harmonix 12BH7 Gold Pins Vacuum Tube

    Electro-Harmonix

    $45.32
    New Gain Tested Electro-Harmonix 12BH7 Gold Pins Vacuum Tube The newly produced Electro-Harmonix 12BH7 boasts twin triodes with 3.5 watts of dissipation per plate. An excellent replacement for any NOS or vintage 12BH7. Gold pins offer a less corrosive...
    $45.32
    Qty in Cart: 0
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    $45.32
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  • New Gain Matched Sextet (6) Electro-Harmonix 12AT7 ECC81 Gold Pin Vacuum Tubes

    New Matched Sextet (6) Electro-Harmonix 12AT7 / ECC81 Gold Pins Vacuum Tubes

    Electro-Harmonix

    $248.86
    New Gain Matched Sextet of Electro-Harmonix 12AT7 / ECC81 Gold Pins Vacuum Tubes The large plate format 12AT7 has a slightly lower voltage gain than its 12AX7 counterpart, with a higher plate current, making it a popular choice of tube for guitar...
    $248.86
    Qty in Cart: 0
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    $248.86
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  • New Gain Matched Trio (3) Electro-Harmonix 12AT7 ECC81 Gold Pin Vacuum Tubes

    New Matched Trio (3) Electro-Harmonix 12AT7 / ECC81 Gold Pins Vacuum Tubes

    Electro-Harmonix

    $124.16
    New Gain Matched Trio of Electro-Harmonix 12AT7 / ECC81 Gold Pins Vacuum Tubes The large plate format 12AT7 has a slightly lower voltage gain than its 12AX7 counterpart, with a higher plate current, making it a popular choice of tube for guitar...
    $124.16
    Qty in Cart: 0
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    Price:
    $124.16
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  • New Gain Matched Pair (2) Electro-Harmonix 12AT7 ECC81 Gold Pin Vacuum Tubes

    New Matched Pair (2) Electro-Harmonix 12AT7 / ECC81 Gold Pins Vacuum Tubes

    Electro-Harmonix

    $82.60
    New Gain Matched Pair of Electro-Harmonix 12AT7 / ECC81 Gold Pins Vacuum Tubes The large plate format 12AT7 has a slightly lower voltage gain than its 12AX7 counterpart, with a higher plate current, making it a popular choice of tube for guitar...
    $82.60
    Qty in Cart: 0
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    $82.60
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  • Brand New Gain Tested Electro-Harmonix 12AT7 ECC81 Gold Pins Vacuum Tube

    New Electro-Harmonix 12AT7 / ECC81 Gold Pins Vacuum Tube

    Electro-Harmonix

    $41.03
    New Gain Tested Electro-Harmonix 12AT7 / ECC81 Gold Pins Vacuum Tube The large plate format 12AT7 has a slightly lower voltage gain than its 12AX7 counterpart, with a higher plate current, making it a popular choice of tube for guitar amplifiers,...
    $41.03
    Qty in Cart: 0
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    Price:
    $41.03
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  • Brand New Gain Matched Sextet (6) Electro-Harmonix 12BH7 Vacuum Tubes

    New Matched Sextet (6) Electro-Harmonix 12BH7 Vacuum Tubes

    Electro-Harmonix

    $208.56
    New Gain Matched Sextet of Electro-Harmonix 12BH7 Vacuum Tubes The newly produced Electro-Harmonix 12BH7 boasts twin triodes with 3.5 watts of dissipation per plate. An excellent replacement for any NOS or vintage 12BH7.
    $208.56
    Qty in Cart: 0
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    Price:
    $208.56
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  • Brand New Gain Matched Quad (4) Electro-Harmonix 12BH7 Vacuum Tubes

    New Matched Quad (4) Electro-Harmonix 12BH7 Vacuum Tubes

    Electro-Harmonix

    $138.86
    New Gain Matched Quad of Electro-Harmonix 12BH7 Vacuum Tubes The newly produced Electro-Harmonix 12BH7 boasts twin triodes with 3.5 watts of dissipation per plate. An excellent replacement for any NOS or vintage 12BH7.
    $138.86
    Qty in Cart: 0
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    Price:
    $138.86
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  • Brand New Gain Matched Pair (2) Electro-Harmonix 12BH7 Vacuum Tubes

    New Matched Pair (2) Electro-Harmonix 12BH7 Vacuum Tubes

    Electro-Harmonix

    $69.16
    New Gain Matched Pair of Electro-Harmonix 12BH7 Vacuum Tubes The newly produced Electro-Harmonix 12BH7 boasts twin triodes with 3.5 watts of dissipation per plate. An excellent replacement for any NOS or vintage 12BH7.
    $69.16
    Qty in Cart: 0
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    Price:
    $69.16
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  • Brand New Gain Tested Electro-Harmonix 12BH7 Vacuum Tube

    New Electro-Harmonix 12BH7 Vacuum Tube

    Electro-Harmonix

    $34.32
    New Gain Tested Electro-Harmonix 12BH7 Vacuum Tube The newly produced Electro-Harmonix 12BH7 boasts twin triodes with 3.5 watts of dissipation per plate. An excellent replacement for any NOS or vintage 12BH7.
    $34.32
    Qty in Cart: 0
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    Price:
    $34.32
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  • Brand New Gain Matched Sextet (6) Electro-Harmonix 12AT7 ECC81 Vacuum Tubes

    New Matched Sextet (6) Electro-Harmonix 12AT7 / ECC81 Vacuum Tubes

    Electro-Harmonix

    $149.13
    New Gain Matched Sextet of Electro-Harmonix 12AT7 / ECC81 Vacuum Tubes The large plate format 12AT7 has a slightly lower voltage gain than its 12AX7 counterpart coupled with a higher plate current - making it a popular choice of tube for guitar...
    $149.13
    Qty in Cart: 0
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    Price:
    $149.13
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  • Brand New Gain Matched Quintet (5) Electro-Harmonix 12AT7 ECC81 Vacuum Tubes

    New Matched Quintet (5) Electro-Harmonix 12AT7 / ECC81 Vacuum Tubes

    Electro-Harmonix

    $124.18
    New Gain Matched Quintet of Electro-Harmonix 12AT7 / ECC81 Vacuum Tubes The large plate format 12AT7 has a slightly lower voltage gain than its 12AX7 counterpart coupled with a higher plate current - making it a popular choice of tube for guitar...
    $124.18
    Qty in Cart: 0
    Quantity:
    Price:
    $124.18
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  • Brand New Gain Matched Quad (4) Electro-Harmonix 12AT7 ECC81 Vacuum Tubes

    New Matched Quad (4) Electro-Harmonix 12AT7 / ECC81 Vacuum Tubes

    Electro-Harmonix

    $99.24
    New Gain Matched Quad of Electro-Harmonix 12AT7 / ECC81 Vacuum Tubes The large plate format 12AT7 has a slightly lower voltage gain than its 12AX7 counterpart coupled with a higher plate current - making it a popular choice of tube for guitar...
    $99.24
    Qty in Cart: 0
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    Price:
    $99.24
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  • Brand New Gain Matched Trio (3) Electro-Harmonix 12AT7 ECC81 Vacuum Tubes

    New Matched Trio (3) Electro-Harmonix 12AT7 / ECC81 Vacuum Tubes

    Electro-Harmonix

    $74.30
    New Gain Matched Trio of Electro-Harmonix 12AT7 / ECC81 Vacuum Tubes The large plate format 12AT7 has a slightly lower voltage gain than its 12AX7 counterpart coupled with a higher plate current - making it a popular choice of tube for guitar...
    $74.30
    Qty in Cart: 0
    Quantity:
    Price:
    $74.30
    Subtotal:
  • Brand New Gain Matched Pair (2) Electro-Harmonix 12AT7 ECC81 Vacuum Tubes

    New Matched Pair (2) Electro-Harmonix 12AT7 / ECC81 Vacuum Tubes

    Electro-Harmonix

    $49.35
    New Gain Matched Pair of Electro-Harmonix 12AT7 / ECC81 Vacuum Tubes The large plate format 12AT7 has a slightly lower voltage gain than its 12AX7 counterpart coupled with a higher plate current - making it a popular choice of tube for guitar...
    $49.35
    Qty in Cart: 0
    Quantity:
    Price:
    $49.35
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  • Brand New Gain Tested Electro-Harmonix 12AT7 ECC81 Vacuum Tube

    New Electro-Harmonix 12AT7 / ECC81 Vacuum Tube

    Electro-Harmonix

    $24.41
    New Gain Tested Electro-Harmonix 12AT7 / ECC81 Vacuum Tube The large plate format 12AT7 has a slightly lower voltage gain than its 12AX7 counterpart coupled with a higher plate current - making it a popular choice of tube for guitar amplifiers,...
    $24.41
    Qty in Cart: 0
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    Price:
    $24.41
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  • Gain Matched Octet (8) Sovtek 12AX7WC 7025 ECC83 Vacuum Tubes - Brand New

    New Matched Octet (8) Sovtek 12AX7WC / 7025 Vacuum Tubes

    Sovtek

    $260.96
    New Gain Matched Octet of Sovtek 12AX7WC / 7025 Vacuum Tubes Vacuum tubes from Sovtek have long been considered top-shelf, and for good reason. They are tonally rich, robustly engineered, and well-suited for the demanding audiophile or musician. The...
    $260.96
    Qty in Cart: 0
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    Price:
    $260.96
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  • Gain Matched Septet (7) Sovtek 12AX7WC 7025 ECC83 Vacuum Tubes - Brand New

    New Matched Septet (7) Sovtek 12AX7WC / 7025 Vacuum Tubes

    Sovtek

    $228.35
    New Gain Matched Septet of Sovtek 12AX7WC / 7025 Vacuum Tubes Vacuum tubes from Sovtek have long been considered top-shelf, and for good reason. They are tonally rich, robustly engineered, and well-suited for the demanding audiophile or musician. The...
    $228.35
    Qty in Cart: 0
    Quantity:
    Price:
    $228.35
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  • Gain Matched Sextet (6) Sovtek 12AX7WC 7025 ECC83 Vacuum Tubes - Brand New

    New Matched Sextet (6) Sovtek 12AX7WC / 7025 Vacuum Tubes

    Sovtek

    $195.65
    New Gain Matched Sextet of Sovtek 12AX7WC / 7025 Vacuum Tubes Vacuum tubes from Sovtek have long been considered top-shelf, and for good reason. They are tonally rich, robustly engineered, and well-suited for the demanding audiophile or musician. The...
    $195.65
    Qty in Cart: 0
    Quantity:
    Price:
    $195.65
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  • Gain Matched Quintet (5) Sovtek 12AX7WC 7025 ECC83 Vacuum Tubes - Brand New

    New Matched Quintet (5) Sovtek 12AX7WC / 7025 Vacuum Tubes

    Sovtek

    $162.96
    New Gain Matched Quintet of Sovtek 12AX7WC / 7025 Vacuum Tubes Vacuum tubes from Sovtek have long been considered top-shelf, and for good reason. They are tonally rich, robustly engineered, and well-suited for the demanding audiophile or musician. The...
    $162.96
    Qty in Cart: 0
    Quantity:
    Price:
    $162.96
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  • Gain Matched Quad (4) Sovtek 12AX7WC 7025 ECC83 Vacuum Tubes - Brand New

    New Matched Quad (4) Sovtek 12AX7WC / 7025 Vacuum Tubes

    Sovtek

    $130.26
    New Gain Matched Quad of Sovtek 12AX7WC / 7025 Vacuum Tubes Vacuum tubes from Sovtek have long been considered top-shelf, and for good reason. They are tonally rich, robustly engineered, and well-suited for the demanding audiophile or musician. The...
    $130.26
    Qty in Cart: 0
    Quantity:
    Price:
    $130.26
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  • Gain Matched Trio (3) Sovtek 12AX7WC 7025 ECC83 Vacuum Tubes - Brand New

    New Matched Trio (3) Sovtek 12AX7WC / 7025 Vacuum Tubes

    Sovtek

    $97.56
    New Gain Matched Trio of Sovtek 12AX7WC / 7025 Vacuum Tubes Vacuum tubes from Sovtek have long been considered top-shelf, and for good reason. They are tonally rich, robustly engineered, and well-suited for the demanding audiophile or musician. The...
    $97.56
    Qty in Cart: 0
    Quantity:
    Price:
    $97.56
    Subtotal:
  • Gain Matched Pair (2) Sovtek 12AX7WC 7025 ECC83 Vacuum Tubes - Brand New

    New Matched Pair (2) Sovtek 12AX7WC / 7025 Vacuum Tubes

    Sovtek

    $64.86
    New Gain Matched Pair of Sovtek 12AX7WC / 7025 Vacuum Tubes Vacuum tubes from Sovtek have long been considered top-shelf, and for good reason. They are tonally rich, robustly engineered, and well-suited for the demanding audiophile or musician. The...
    $64.86
    Qty in Cart: 0
    Quantity:
    Price:
    $64.86
    Subtotal:
  • Gain Tested Sovtek 12AX7WC / 7025 / ECC83 Vacuun Tube - Brand New

    New Sovtek 12AX7WC / 7025 Vacuum Tube

    Sovtek

    $32.16
    New Gain Tested Sovtek 12AX7WC / 7025 / ECC83 Vacuum Tube Vacuum tubes from Sovtek have long been considered top-shelf, and for good reason. They are tonally rich, robustly engineered, and well-suited for the demanding audiophile or musician. The...
    $32.16
    Qty in Cart: 0
    Quantity:
    Price:
    $32.16
    Subtotal:
  • Gain Matched Quintet (5) Sovtek 12AX7WB 7025 ECC83 Vacuum Tubes - Brand New

    New Matched Quintet (5) Sovtek 12AX7WB / 7025 Vacuum Tubes

    Sovtek

    $180.41
    New Gain Matched Quintet of Sovtek 12AX7WB / 7025 Vacuum Tubes Vacuum tubes from Sovtek have long been considered top-shelf, and for good reason. They are tonally rich, robustly engineered, and well-suited for the demanding audiophile or musician. The...
    $180.41
    Qty in Cart: 0
    Quantity:
    Price:
    $180.41
    Subtotal:
  • Gain Matched Quad (4) Sovtek 12AX7WB 7025 ECC83 Vacuum Tubes - Brand New

    New Matched Quad (4) Sovtek 12AX7WB / 7025 Vacuum Tubes

    Sovtek

    $144.22
    New Gain Matched Quad of Sovtek 12AX7WB / 7025 Vacuum Tubes Vacuum tubes from Sovtek have long been considered top-shelf, and for good reason. They are tonally rich, robustly engineered, and well-suited for the demanding audiophile or musician. The...
    $144.22
    Qty in Cart: 0
    Quantity:
    Price:
    $144.22
    Subtotal:
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