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Power Tubes

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  1. Power Tubes (40)

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  1. Best Seller
    Groove Tubes Gold Series GT-6550-R Matched Power Tubes Groove Tubes Gold Series GT-6550-R Matched Power Tubes
    Starting at $129.99
    MSRP:
    $279.99 (save 11%)
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  2. Best Seller
    Tung-Sol 6550 Tube Tung-Sol 6550 Tube
    Tung-Sol 6550 Tube

    Starting at $79.99
    MSRP:
    $199.72 (save 25%)
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  3. Mullard EL34 Tube Mullard EL34 Tube
    Mullard EL34 Tube

    Starting at $58.99
    MSRP:
    $137.92 (save 29%)
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  4. Price Drop
    Groove Tubes Gold Series GT-EL34-R Matched Power Tubes Groove Tubes Gold Series GT-EL34-R Matched Power Tubes
    Starting at $64.99
    MSRP:
    $139.99 (save 35%)
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  1. Electro-Harmonix EL34 Matched Power Tubes Electro-Harmonix EL34 Matched Power Tubes
    Starting at $33.99
    MSRP:
    $101.64 (save 37%)
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  2. Best Seller
    Electro-Harmonix 6L6 Matched Power Tubes Electro-Harmonix 6L6 Matched Power Tubes
    Electro-Harmonix 6L6 Matched Power Tubes

    Large plate dimensions and improved grid structure mean increased power handling capabilities. Mica spacers...

    Starting at $35.99
    MSRP:
    $55.29 (save 35%)
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  3. Price Drop
    Groove Tubes Gold Series GT-6V6-S Matched Power Tubes Groove Tubes Gold Series GT-6V6-S Matched Power Tubes
    Groove Tubes Gold Series GT-6V6-S Matched Power Tubes

    The Groove Tubes GT-6V6-S Duet is a high-output 6V6 with an aggressive tone and is capable of handling plate...

    Starting at $47.94
    MSRP:
    $69.99 (save 32%)
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  4. Svetlana 6L6 Tube Svetlana 6L6 Tube
    Svetlana 6L6 Tube

    Classic Sylvania STR sound.

    Starting at $42.99
    MSRP:
    $64.23 (save 33%)
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  1. Groove Tubes Gold Series GT-KT66-C Matched Power Tubes Groove Tubes Gold Series GT-KT66-C Matched Power Tubes
    $109.99
    MSRP:
    $119.99 (save 8%)
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  2. Price Drop
    Groove Tubes Gold Series GT-6V6-R Matched Power Tubes Groove Tubes Gold Series GT-6V6-R Matched Power Tubes
    Starting at $32.99
    MSRP:
    $49.99 (save 34%)
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  3. Best Seller
    Svetlana 6550 Tube Svetlana 6550 Tube
    Svetlana 6550 Tube

    Starting at $77.99
    MSRP:
    $215.96 (save 47%)
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  4. Top Rated
    Tung-Sol 5881 Matched Power Tubes Tung-Sol 5881 Matched Power Tubes
    Starting at $44.99
    MSRP:
    $120.48 (save 33%)
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  1. Sale
    Tung-Sol KT66 Matched Power Tubes Tung-Sol KT66 Matched Power Tubes
    Starting at $77.99
    MSRP:
    $197.44 (save 31%)
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  2. Ruby EL84CZ Premium Matched Ruby EL84CZ Premium Matched
    Ruby EL84CZ Premium Matched

    The most powerful EL84 available!

    Starting at $21.99
    MSRP:
    $58.00 (save 31%)
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  3. Best Seller
    Ruby 6V6 Matched Amp Tubes Ruby 6V6 Matched Amp Tubes
    Ruby 6V6 Matched Amp Tubes

    Super-high output!

    $29.99
    MSRP:
    $37.50 (save 20%)
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  4. Price Drop
    Groove Tubes Gold Series GT-6V6-C Matched Power Tubes Groove Tubes Gold Series GT-6V6-C Matched Power Tubes
    Starting at $34.40
    MSRP:
    $49.99 (save 31%)
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  1. Sale
    Groove Tubes Gold Series GT-KT88-SV Matched Power Tubes Groove Tubes Gold Series GT-KT88-SV Matched Power Tubes
    Starting at $143.99
    MSRP:
    $199.99 (save 28%)
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  2. Price Drop
    Electro-Harmonix 6V6EH Tubes Electro-Harmonix 6V6EH Tubes
    Electro-Harmonix 6V6EH Tubes

    Great for Fenders!

    Starting at $28.99
    MSRP:
    $54.82 (save 47%)
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  3. Ruby A Tone Plug and Play Tube Adapter Ruby A Tone Plug and Play Tube Adapter
    Ruby A Tone Plug and Play Tube Adapter

    Instant fat tone enhancement!

    $99.99
    MSRP:
    $150.00 (save 33%)
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  4. Sale
    Genalex KT88 Gold Lion Power Tube Sets Genalex KT88 Gold Lion Power Tube Sets
    Starting at $95.99
    MSRP:
    $157.87 (save 39%)
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It's hard to beat the warm, full tones of a tube-based amplifier. The electric guitar as we know it essentially grew up with these amps, and plenty of musicians prefer them for other instruments as well. With changeable preamp and power tubes, an amplifier gives you a great level of customization so you can tweak the voice of an electric instrument exactly the way you want it. Compared to preamp and rectifier tubes, the power tubes have a middling influence on how your amp sounds overall. In your amplifier, a power tube's role is to boost the signal's power level to a high enough point that your speakers can put out the volume you want. Being part of the signal path means that they do affect the sound, but since they're used for volume rather than tone, they have a more subtle effect than preamp tubes. So, why pay close attention to the power tubes? Simple: their effect may be subtle, but it's noticeable. The way your amplifier sounds is the result of the harmony between your preamp and power tubes. The same preamp will sound different with a change in the power tube. To put it metaphorically, think of the preamp tube as a steak and the power tube as a marinade— a steak will always taste like a steak but the marinade can definitely change the flavor. The preamp tube will always have its certain tone, but the power tube will give that tone a subtle fine-tuning. You might have to try a few different power tubes to find the variety that has the best interplay with your favorite preamp tubes. In the end, your sound will thank you for the effort. Once you know which tube works best for you, all that's left to do is stock up so you'll always have replacements ready to go.

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