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12AX7 - ECC83 - 5751 - 7025

12AX7 - ECC83 - 5751 - 7025

Possibly the most popular preamp tube on the planet, the 12AX7 series offers almost unlimited options. 

Compatible Equivalents & Substitutes: 12AX7, 12AX7A, 12AX7EA, 7025, ECC83, ECC803S, 5751 (low gain), CV492, 7058, 12DF7, CV4004, B339, E83CC, M8137.

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  • New Matched Pair (2) TAD ECC83-Cz / 12AX7 Premium Selected Vacuum Tubes

    New Matched Pair (2) TAD ECC83-Cz / 12AX7 Premium Selected Vacuum Tubes

    TAD

    $65.88
    New Gain Matched Pair of Tube Amp Doctor ECC83-Cz Premium Selected Vacuum Tubes A wonderful tube with an emphasis of warm tones, lows, mids, overdrive and even highs. The A-Frame construction makes this an exceptionally low noise tubes, perfect for high...
    $65.88
    Qty in Cart: 0
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    $65.88
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  • New TAD ECC83-Cz / 12AX7 Premium Selected Vacuum Tube

    New TAD ECC83-Cz / 12AX7 Premium Selected Vacuum Tube

    TAD

    $32.67
    New Gain Tested Tube Amp Doctor ECC83-Cz Premium Selected Vacuum Tube A wonderful tube with an emphasis of warm tones, lows, mids, overdrive and even highs. The A-Frame construction makes this an exceptionally low noise tubes, perfect for high gain...
    $32.67
    Qty in Cart: 0
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    $32.67
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  • New Matched Pair (2) TAD 7025 / E83CC-Cz  /12AX7 High Grade Vacuum Tubes

    New Matched Pair (2) TAD 7025 / E83CC-Cz /12AX7 High Grade Vacuum Tubes

    TAD

    $67.35
    New Gain Matched Pair of Tube Amp Doctor 7025 / E83CC-Cz (12AX7 / ECC83) High Grade Vacuum Tubes A specially selected tube for the emphasis of warm tones, lows, mids, overdrive and even highs. The A-Frame construction makes this an exceptionally low...
    $67.35
    Qty in Cart: 0
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    $67.35
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  • New TAD 7025 / E83CC-Cz / 12AX7 High Grade Vacuum Tube

    New TAD 7025 / E83CC-Cz / 12AX7 High Grade Vacuum Tube

    TAD

    $33.41
    New Gain Tested Tube Amp Doctor 7025 / E83CC-Cz (12AX7 / ECC83) Highgrade Vacuum Tube A specially selected tube for the emphasis of warm tones, lows, mids, overdrive and even highs. The A-Frame construction makes this an exceptionally low noise tubes,...
    $33.41
    Qty in Cart: 0
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    $33.41
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  • Matched Octet (8) White Boxed Sovtek 12AX7WA / 7025 Vacuum Tubes

    Matched Octet (8) White Boxed Sovtek 12AX7WA / 7025 Vacuum Tubes

    $159.80
    New Late 2000's Stock White Boxed Gain Matched Octet of Sovtek 12AX7WA / 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...
    $159.80
    Qty in Cart: 0
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    $159.80
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  • Matched Septet (7) White Boxed Sovtek 12AX7WA / 7025 Vacuum Tubes

    Matched Septet (7) White Boxed Sovtek 12AX7WA / 7025 Vacuum Tubes

    $139.95
    New Late 2000's Stock White Boxed Gain Matched Septet of Sovtek 12AX7WA / 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...
    $139.95
    Qty in Cart: 0
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    $139.95
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  • Matched Sextet (6) White Boxed Sovtek 12AX7WA / 7025 Vacuum Tubes

    Matched Sextet (6) White Boxed Sovtek 12AX7WA / 7025 Vacuum Tubes

    $119.85
    New Late 2000's Stock White Boxed Gain Matched Sextet of Sovtek 12AX7WA / 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...
    $119.85
    Qty in Cart: 0
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    $119.85
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  • Matched Quintet (5) White Boxed Sovtek 12AX7WA / 7025 Vacuum Tubes

    Matched Quintet (5) White Boxed Sovtek 12AX7WA / 7025 Vacuum Tubes

    $99.95
    New Late 2000's Stock White Boxed Gain Matched Quintet of Sovtek 12AX7WA / 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...
    $99.95
    Qty in Cart: 0
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    $99.95
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  • Matched Quad (4) White Boxed Sovtek 12AX7WA / 7025 Vacuum Tubes

    Matched Quad (4) White Boxed Sovtek 12AX7WA / 7025 Vacuum Tubes

    $79.95
    New Late 2000's Stock White Boxed Gain Matched Quad of Sovtek 12AX7WA / 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...
    $79.95
    Qty in Cart: 0
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    $79.95
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  • Matched Trio (3) White Boxed Sovtek 12AX7WA / 7025 Vacuum Tubes

    Matched Trio (3) White Boxed Sovtek 12AX7WA / 7025 Vacuum Tubes

    $59.95
    New Late 2000's Stock White Boxed Gain Matched Trio of Sovtek 12AX7WA / 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...
    $59.95
    Qty in Cart: 0
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    Price:
    $59.95
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  • Matched Pair (2) White Boxed Sovtek 12AX7WA / 7025 Vacuum Tubes

    Matched Pair (2) White Boxed Sovtek 12AX7WA / 7025 Vacuum Tubes

    $39.95
    New Late 2000's Stock White Boxed Gain Matched Pair of Sovtek 12AX7WA / 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...
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
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  • White Boxed Sovtek 12AX7WA / 7025 Vacuum Tube

    White Boxed Sovtek 12AX7WA / 7025 Vacuum Tube

    $18.95
    New Late 2000's Stock White Boxed Gain Tested Sovtek 12AX7WA / 7025 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...
    $18.95
    Qty in Cart: 0
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    Price:
    $18.95
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  • New Matched Quintet (5) JJ E83CC / 12AX7 A-Frame Grid Short Plate Vacuum Tubes

    New Matched Quintet (5) JJ E83CC / 12AX7 A-Frame Grid Short Plate Vacuum Tubes

    JJ Electronic

    $169.67
    New Gain Matched Quintet of JJ E83CC (12AX7) A-Frame Short Plate Vacuum Tubes The JJ E83CC uses A-frame construction with boxed plates for utmost stability and reliability. This ensures lower noise for audio applications. With the same gain rating as a...
    $169.67
    Qty in Cart: 0
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    $169.67
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  • New Matched Quad (4) JJ E83CC / 12AX7 A-Frame Grid Short Plate Vacuum Tubes

    New Matched Quad (4) JJ E83CC / 12AX7 A-Frame Grid Short Plate Vacuum Tubes

    JJ Electronic

    $135.81
    New Gain Matched Quad of JJ E83CC (12AX7) A-Frame Short Plate Vacuum Tubes The JJ E83CC uses A-frame construction with boxed plates for utmost stability and reliability. This ensures lower noise for audio applications. With the same gain rating as a...
    $135.81
    Qty in Cart: 0
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    Price:
    $135.81
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  • New Matched Trio (3) JJ E83CC / 12AX7 A-Frame Grid Short Plate Vacuum Tubes

    New Matched Trio (3) JJ E83CC / 12AX7 A-Frame Grid Short Plate Vacuum Tubes

    JJ Electronic

    $101.96
    New Gain Matched Trio of JJ E83CC (12AX7) A-Frame Short Plate Vacuum Tubes The JJ E83CC uses A-frame construction with boxed plates for utmost stability and reliability. This ensures lower noise for audio applications. With the same gain rating as a...
    $101.96
    Qty in Cart: 0
    Quantity:
    Price:
    $101.96
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  • New Matched Pair (2) JJ E83CC / 12AX7 A-Frame Grid Short Plate Vacuum Tubes

    New Matched Pair (2) JJ E83CC / 12AX7 A-Frame Grid Short Plate Vacuum Tubes

    JJ Electronic

    $68.10
    New Gain Matched Pair of JJ E83CC (12AX7) A-Frame Short Plate Vacuum Tubes The JJ E83CC uses A-frame construction with boxed plates for utmost stability and reliability. This ensures lower noise for audio applications. With the same gain rating as a...
    $68.10
    Qty in Cart: 0
    Quantity:
    Price:
    $68.10
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  • New JJ E83CC / 12AX7 A-Frame Grid Short Plate Vacuum Tube

    New JJ E83CC / 12AX7 A-Frame Grid Short Plate Vacuum Tube

    JJ Electronic

    $34.25
    New Gain Tested JJ E83CC (12AX7) A-Frame Short Plate Vacuum Tube The JJ E83CC uses A-frame construction with boxed plates for utmost stability and reliability. This ensures lower noise for audio applications. With the same gain rating as a standard...
    $34.25
    Qty in Cart: 0
    Quantity:
    Price:
    $34.25
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  • New Matched Octet (8) Psvane Hifi 12AX7 / ECC83 Vacuum Tubes

    New Matched Octet (8) Psvane Hifi 12AX7 / ECC83 Vacuum Tubes

    Psvane

    $174.49
    New Gain Matched Octet of Psvane 12AX7 Standard Pins Vacuum Tubes These are part of the standard hifi series from Psvane offering excellent tone without breaking the bank. You can expect a rich and natural tone - a true workhorse tube. Unlike other...
    $174.49
    Qty in Cart: 0
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    Price:
    $174.49
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  • New Matched Septet (7) Psvane Hifi 12AX7 / ECC83 Vacuum Tubes

    New Matched Septet (7) Psvane Hifi 12AX7 / ECC83 Vacuum Tubes

    Psvane

    $152.73
    New Gain Matched Septet of Psvane 12AX7 Standard Pins Vacuum Tubes These are part of the standard hifi series from Psvane offering excellent tone without breaking the bank. You can expect a rich and natural tone - a true workhorse tube. Unlike other...
    $152.73
    Qty in Cart: 0
    Quantity:
    Price:
    $152.73
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  • New Matched Sextet (6) Psvane Hifi 12AX7 / ECC83 Vacuum Tubes

    New Matched Sextet (6) Psvane Hifi 12AX7 / ECC83 Vacuum Tubes

    Psvane

    $130.56
    New Gain Matched Sextet of Psvane 12AX7 Standard Pins Vacuum Tubes These are part of the standard hifi series from Psvane offering excellent tone without breaking the bank. You can expect a rich and natural tone - a true workhorse tube. Unlike other...
    $130.56
    Qty in Cart: 0
    Quantity:
    Price:
    $130.56
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  • New Matched Quintet (5) Psvane Hifi 12AX7 / ECC83 S Vacuum Tubes

    New Matched Quintet (5) Psvane Hifi 12AX7 / ECC83 S Vacuum Tubes

    Psvane

    $108.38
    New Gain Matched Quintet of Psvane 12AX7 Standard Pins Vacuum Tubes These are part of the standard hifi series from Psvane offering excellent tone without breaking the bank. You can expect a rich and natural tone - a true workhorse tube. Unlike other...
    $108.38
    Qty in Cart: 0
    Quantity:
    Price:
    $108.38
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  • New Matched Quad (4) Psvane Hifi 12AX7 / ECC83 Vacuum Tubes

    New Matched Quad (4) Psvane Hifi 12AX7 / ECC83 Vacuum Tubes

    Psvane

    $86.20
    New Gain Matched Quad of Psvane 12AX7 Standard Pins Vacuum Tubes These are part of the standard hifi series from Psvane offering excellent tone without breaking the bank. You can expect a rich and natural tone - a true workhorse tube. Unlike other...
    $86.20
    Qty in Cart: 0
    Quantity:
    Price:
    $86.20
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  • New Matched Trio (3) Psvane Hifi 12AX7 / ECC83 Vacuum Tubes

    New Matched Trio (3) Psvane Hifi 12AX7 / ECC83 Vacuum Tubes

    Psvane

    $64.03
    New Gain Matched Trio of Psvane 12AX7 Standard Pins Vacuum Tubes These are part of the standard hifi series from Psvane offering excellent tone without breaking the bank. You can expect a rich and natural tone - a true workhorse tube. Unlike other...
    $64.03
    Qty in Cart: 0
    Quantity:
    Price:
    $64.03
    Subtotal:
  • New Matched Pair (2) Psvane Hifi 12AX7 / ECC83 Vacuum Tubes

    New Matched Pair (2) Psvane Hifi 12AX7 / ECC83 Vacuum Tubes

    Psvane

    $41.85
    New Gain Matched Pair of Psvane 12AX7 Standard Pins Vacuum Tubes These are part of the standard hifi series from Psvane offering excellent tone without breaking the bank. You can expect a rich and natural tone - a true workhorse tube. Unlike other...
    $41.85
    Qty in Cart: 0
    Quantity:
    Price:
    $41.85
    Subtotal:
  • New Psvane Hifi 12AX7 / ECC83 Vacuum Tube

    New Psvane Hifi 12AX7 / ECC83 Vacuum Tube

    Psvane

    $19.67
    New Gain Tested Psvane 12AX7 / ECC83 Standard Pins Vacuum Tube These are part of the standard hifi series from Psvane offering excellent tone without breaking the bank. You can expect a rich and natural tone - a true workhorse tube. Unlike other Chinese...
    $19.67
    Qty in Cart: 0
    Quantity:
    Price:
    $19.67
    Subtotal:
  • New Matched Octet (8) JJ 12AX7-MG / ECC83MG Mid Gain Vacuum Tubes

    New Matched Octet (8) JJ 12AX7-MG / ECC83MG Mid Gain Vacuum Tubes

    JJ Electronic

    $199.63
    New Gain Matched Octet of JJ 12AX7-MG Mid Gain Vacuum Tubes A more mild-mannered version of the standard 12AX7, this mid-gain tube is between a 12AX7 and a 5751. Full, rich mids and low noise/microphonics. Great for applications that call slightly less...
    $199.63
    Qty in Cart: 0
    Quantity:
    Price:
    $199.63
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  • New Matched Sextet (6) JJ 12AX7-MG / ECC83MG Mid Gain Vacuum Tubes

    New Matched Sextet (6) JJ 12AX7-MG / ECC83MG Mid Gain Vacuum Tubes

    JJ Electronic

    $149.77
    New Gain Matched Sextet of JJ 12AX7-MG Mid Gain Vacuum Tubes A more mild-mannered version of the standard 12AX7, this mid-gain tube is between a 12AX7 and a 5751. Full, rich mids and low noise/microphonics. Great for applications that call slightly less...
    $149.77
    Qty in Cart: 0
    Quantity:
    Price:
    $149.77
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  • New Matched Quad (4) JJ 12AX7-MG / ECC83MG Mid Gain Vacuum Tubes

    New Matched Quad (4) JJ 12AX7-MG / ECC83MG Mid Gain Vacuum Tubes

    JJ Electronic

    $99.98
    New Gain Matched Quad of JJ 12AX7-MG Mid Gain Vacuum Tubes A more mild-mannered version of the standard 12AX7, this mid-gain tube is between a 12AX7 and a 5751. Full, rich mids and low noise/microphonics. Great for applications that call slightly less...
    $99.98
    Qty in Cart: 0
    Quantity:
    Price:
    $99.98
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  • New Matched Trio (3) JJ 12AX7-MG / ECC83-MG Mid Gain Vacuum Tubes

    New Matched Trio (3) JJ 12AX7-MG / ECC83-MG Mid Gain Vacuum Tubes

    JJ Electronic

    $75.08
    New Gain Matched Trio of JJ 12AX7-MG Mid Gain Vacuum Tubes A more mild-mannered version of the standard 12AX7, this mid-gain tube is between a 12AX7 and a 5751. Full, rich mids and low noise/microphonics. Great for applications that call slightly less...
    $75.08
    Qty in Cart: 0
    Quantity:
    Price:
    $75.08
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  • New Matched Pair (2) JJ 12AX7-MG / ECC83-MG Mid Gain Vacuum Tubes

    New Matched Pair (2) JJ 12AX7-MG / ECC83-MG Mid Gain Vacuum Tubes

    JJ Electronic

    $50.19
    New Gain Matched Pair of JJ 12AX7-MG Mid Gain Vacuum Tubes A more mild-mannered version of the standard 12AX7, this mid-gain tube is between a 12AX7 and a 5751. Full, rich mids and low noise/microphonics. Great for applications that call slightly less...
    $50.19
    Qty in Cart: 0
    Quantity:
    Price:
    $50.19
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  • New JJ 12AX7-MG / ECC83-MG Mid Gain Vacuum Tube

    New JJ 12AX7-MG / ECC83-MG Mid Gain Vacuum Tube

    JJ Electronic

    $25.29
    New Gain Tested JJ 12AX7-MG Mid Gain Vacuum Tube A more mild-mannered version of the standard 12AX7, this mid-gain tube is between a 12AX7 and a 5751. Full, rich mids and low noise/microphonics. Great for applications that call slightly less breakup and...
    $25.29
    Qty in Cart: 0
    Quantity:
    Price:
    $25.29
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  • New Matched Sextet (6) Telefunken 12AX7 / ECC83-TK Gold Pins Vacuum Tubes

    New Matched Sextet (6) Telefunken 12AX7 / ECC83-TK Gold Pins Vacuum Tubes

    Telefunken

    $384.37
    New Factory Matched Sextet of Telefunken ECC83-TK (12AX7) Vacuum Tubes A well-balanced tube suited for all types of music and playing styles. Designed to allow for cleaner headroom than higher gain 12AX7s when pushed into overdrive, it offers distortion...
    $384.37
    Qty in Cart: 0
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    Price:
    $384.37
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  • New Matched Quintet (5) Telefunken 12AX7 / ECC83-TK Gold Pins Vacuum Tubes

    New Matched Quintet (5) Telefunken 12AX7 / ECC83-TK Gold Pins Vacuum Tubes

    Telefunken

    $320.22
    New Factory Matched Quintet of Telefunken ECC83-TK (12AX7) Vacuum Tubes A well-balanced tube suited for all types of music and playing styles. Designed to allow for cleaner headroom than higher gain 12AX7s when pushed into overdrive, it offers distortion...
    $320.22
    Qty in Cart: 0
    Quantity:
    Price:
    $320.22
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  • New Matched Trio (3) Telefunken Black Diamond 12AX7 / ECC83-TK Gold Pins Vacuum Tubes

    New Matched Trio (3) Telefunken Black Diamond 12AX7 / ECC83-TK Gold Pins Vacuum Tubes

    Telefunken

    $191.92
    New Factory Matched Trio of Telefunken Black Diamond ECC83-TK (12AX7) Vacuum Tubes A well-balanced tube suited for all types of music and playing styles. Designed to allow for cleaner headroom than higher gain 12AX7s when pushed into overdrive, it offers...
    $191.92
    Qty in Cart: 0
    Quantity:
    Price:
    $191.92
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  • New Matched Quad (4) Telefunken 12AX7 / ECC83-TK Gold Pins Vacuum Tubes

    New Matched Quad (4) Telefunken 12AX7 / ECC83-TK Gold Pins Vacuum Tubes

    Telefunken

    $256.07
    New Factory Matched Quad of Telefunken ECC83-TK (12AX7) Vacuum Tubes A well-balanced tube suited for all types of music and playing styles. Designed to allow for cleaner headroom than higher gain 12AX7s when pushed into overdrive, it offers distortion...
    $256.07
    Qty in Cart: 0
    Quantity:
    Price:
    $256.07
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  • New Matched Pair (2) Telefunken Black Diamond 12AX7 / ECC83-TK Gold Pins Vacuum Tubes

    New Matched Pair (2) Telefunken Black Diamond 12AX7 / ECC83-TK Gold Pins Vacuum Tubes

    Telefunken

    $127.77
    New Factory Matched Pair of Telefunken Black Diamond ECC83-TK (12AX7) Vacuum Tubes A well-balanced tube suited for all types of music and playing styles. Designed to allow for cleaner headroom than higher gain 12AX7s when pushed into overdrive, it offers...
    $127.77
    Qty in Cart: 0
    Quantity:
    Price:
    $127.77
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  • New Telefunken Black Diamond 12AX7 / ECC83-TK Gold Pins Vacuum Tube

    New Telefunken Black Diamond 12AX7 / ECC83-TK Gold Pins Vacuum Tube

    Telefunken

    $63.62
    New Factory Tested Telefunken Black Diamond ECC83-TK (12AX7) Vacuum Tube A well-balanced tube suited for all types of music and playing styles. Designed to allow for cleaner headroom than higher gain 12AX7s when pushed into overdrive, it offers...
    $63.62
    Qty in Cart: 0
    Quantity:
    Price:
    $63.62
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  • Septet of Mullard 12AX7 Vacuum Tubes

    New Matched Septet (7) Mullard Reissue 12AX7 Vacuum Tubes

    Mullard

    $220.03
    New Gain Matched Septet (7 pcs) of Mullard 12AX7 Vacuum Tubes The Mullard 12AX7 is a versatile tube for many amplifiers like the Fender Deluxe line and more. They are also great for Hi-Fi stereo amplifiers. Producing a smooth tone, they have a...
    $220.03
    Qty in Cart: 0
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    Price:
    $220.03
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  • New Gain Matched Octet Genalex Gold Lion CV4004 Short Plate Gold Pins 12AX7 Vacuum Tubes

    New Matched Octet (8) Genalex Gold Lion CV4004 / 12AX7 Vacuum Tubes

    Genalex

    $573.26
    New Gain Matched Octet of Genalex Gold Lion CV4004 Short Plate Vacuum Tubes Genalex Gold Lion is the flagship brand among Electro-Harmonix products and it’s no wonder. They started by offering the standard long plate 12AX7/B759 which, while an...
    $573.26
    Qty in Cart: 0
    Quantity:
    Price:
    $573.26
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  • New Gain Matched Sextet Genalex Gold Lion CV4004 Short Plate Gold Pins 12AX7 Vacuum Tubes

    New Matched Sextet (6) Genalex Gold Lion CV4004 / 12AX7 Vacuum Tubes

    Genalex

    $429.88
    New Gain Matched Sextet of Genalex Gold Lion CV4004 Short Plate Vacuum Tubes Genalex Gold Lion is the flagship brand among Electro-Harmonix products and it’s no wonder. They started by offering the standard long plate 12AX7/B759 which, while an...
    $429.88
    Qty in Cart: 0
    Quantity:
    Price:
    $429.88
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