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  1. Tubes for Instrument Amps (86)

Results  61 - 80  of 86 matches

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  1. Best Seller
    Sovtek12AX7WC Preamp Tube Sovtek12AX7WC Preamp Tube
    $16.09
    MSRP:
    $20.82 (save 23%)
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  2. Best Seller
    Groove TubesGT-12AX7-R3 Select Preamp Tube Groove TubesGT-12AX7-R3 Select Preamp Tube
    Groove Tubes GT-12AX7-R3 Select Preamp Tube

    Medium sized plates and a nice balanced tone.

    $19.99
    MSRP:
    $24.99 (save 20%)
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  3. Sovtek5AR4 Rectifier Tube Sovtek5AR4 Rectifier Tube
    $25.99
    MSRP:
    $26.98 (save 4%)
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  4. Top Rated
    Tung-SolKT66 Matched Power Tubes Tung-SolKT66 Matched Power Tubes
    Starting at $77.99
    MSRP:
    $98.72 (save 21%)
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  1. Bugera12AX7B Preamp Tube Bugera12AX7B Preamp Tube
    $9.99
    MSRP:
    $14.99 (save 33%)
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  2. Groove TubesSAG-FHG Fender High Gain Preamp Tube Changing Kit Groove TubesSAG-FHG Fender High Gain Preamp Tube Changing Kit
    $79.99
    MSRP:
    $99.99 (save 20%)
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  3. Price Drop
    Groove TubesSilver Series ST-EL34-R Power Tube Groove TubesSilver Series ST-EL34-R Power Tube
    $22.49
    MSRP:
    $24.99 (save 10%)
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  4. Groove TubesGold Series GT-5U4 GZ32 Rectifier Tube Groove TubesGold Series GT-5U4 GZ32 Rectifier Tube
    $29.99
    MSRP:
    $34.99 (save 14%)
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  1. BugeraECC83B Dual Triode Preamp Tube BugeraECC83B Dual Triode Preamp Tube
    $9.99
    MSRP:
    $14.99 (save 33%)
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  2. BugeraEL84 Power Amp Tube BugeraEL84 Power Amp Tube
    $12.99
    MSRP:
    $19.99 (save 35%)
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  3. Bugera12AU7 Preamp Tube Bugera12AU7 Preamp Tube
    Bugera 12AU7 Preamp Tube

    $12.99
    MSRP:
    $19.99 (save 35%)
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  4. Groove TubesSilver Series ST-12AU7-C Preamp Tube Groove TubesSilver Series ST-12AU7-C Preamp Tube
    $9.49
    MSRP:
    $14.99 (save 37%)
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  1. Bugera12AX7A Preamp Tube Bugera12AX7A Preamp Tube
    $12.99
    MSRP:
    $19.99 (save 35%)
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  2. RubyA Tone Plug and Play Tube Adapter RubyA 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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  3. Bugera5U4 Rectifier Preamp Tube Bugera5U4 Rectifier Preamp Tube
    $14.99
    MSRP:
    $22.99 (save 35%)
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  4. Best Seller
    Groove TubesGold Series GT-KT66-C Matched Power Tubes Groove TubesGold Series GT-KT66-C Matched Power Tubes
    Starting at $109.99
    MSRP:
    $119.99 (save 8%)
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  1. Best Seller
    Groove TubesGold Series GT-KT88-SV Matched Power Tubes Groove TubesGold Series GT-KT88-SV Matched Power Tubes
    Starting at $179.99
    MSRP:
    $399.99 (save 13%)
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  2. Groove TubesGold Series GT-6V6-C Matched Power Tubes Groove TubesGold Series GT-6V6-C Matched Power Tubes
    Starting at $44.99
    MSRP:
    $99.99 (save 10%)
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  3. Groove TubesGold Series GT-6072-M Preamp Tube Groove TubesGold Series GT-6072-M Preamp Tube
    $29.99
    MSRP:
    $34.99 (save 14%)
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  4. Price Drop
    Groove TubesSilver Series ST-KT66-C Power Tube Groove TubesSilver Series ST-KT66-C Power Tube
    $38.49
    MSRP:
    $44.99 (save 14%)
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For many musicians, there's no question about it: tubes are the best way to go. If you're here looking for tubes, you're probably in the same boat. Fortunately, there are plenty of tubes available for your instrument amps, from vintage models dating back to the tube's golden era all the way to modern amps that stick to tube-based circuitry for that irreplaceable character they can add to your sound. Generally, the most crucial tubes in your amplifier are the preamp tubes. Responsible for handling the raw signal from your instrument and pedals, the preamp section not only gives a power boost, it also defines the overall tone and gain of the sound. Because the preamp tubes are so central to the amp's function, changing them has a big impact. If you want to learn about all the different sounds your amp is capable of, experimenting with various preamp tubes is a great place to start. In an amplifier with more than one preamp tube, pay special attention to the very first one, nearest to the input—it's in the point position, and that means it's going to have the greatest effect of any one tube on the sound that eventually comes out of the amp. Power tubes come later in the amplifier's circuitry, and their job is to kick up the power level of the signal so that it can drive those big speakers. With this role to fill, power tubes don't quite have the same impact on your sound as preamp tubes—but that isn't to say they have none. If your preamp tubes were coffee, the power tubes would be cream and sugar: they don't create the 'flavor', but they sweeten it to taste. Depending on your amplifier, you may also have rectifier tubes to customize. Many tube amps use solid-state rectifiers, so you're most likely to need one of these tubes if you're using a vintage amp or a strictly all-tube model. Rectifier tubes can be difficult to classify because they don't have a direct impact on your sound. The rectifier determines the voltage that goes to the other tubes, and those tubes will give a slightly different sound at different voltages. But rectifier tubes do have one quirk that plays into your sound: when you come in strong on the attack, the tube will drop the voltage, giving a distinctively soft lead-in that builds to a swelling note as the voltage goes back to normal. When you're choosing your rectifier tubes, it's this characteristic that you're looking for. If you have a hybrid amplifier, you may only have preamp tubes—or maybe you have an antique amp that needs all three. It all comes down to what you need, whether you're fine-tuning your sound or just stocking up on replacements of your favorite tube.

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