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Home > Accessories > Amplifier Parts > Instrument Amp Parts > Tubes for Instrument Amps > Preamp Tubes > Groove Tubes Gold Series GT-12AT7 Preamp Tube

Preamp Tubes

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Item #: 212020
Mfg #: GT-12AT7

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Price: $19.99
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Product Overview

Tested under extreme listening conditions and guaranteed to be free of excess noise and microphonic ring.

  • Tested under extreme conditions
    Guaranteed free of excess noise and squeal
    JAN spec.
    Military
    NOS
    Extremely long life

    Country of origin: Russia
Product Details

Groove Tubes Gold Series GT-12AT7 Preamp Tube

The Groove Tubes GT-12AT7 preamp tube is manufactured to the highest quality JAN spec. NOS, made in Russia for extremely long life. Used widely in most U.S.-made amps and, in particular, Fender amps. Fender amps with reverb use 2 - 12AT7s -- one for the reverb drive stage, and one as a phase inverter to drive the push/pull output stage. The makeup of the 12AT7 is very similar to the 12AX7 and it can be substituted for a 12AX7 in a pinch. Some players prefer the 12AT7 in the driver stage of a Marshall for a cleaner, brighter tone. (The driver or phase inverter is the 12AX7 located nearest the power tubes.) The 12AT7 is rarely used in a tone-generating stage, but rather in function stages, so the Groove Tubes GT-12AT7 is selected for durability.

Country of origin: Russia

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  • Country of origin: Russia
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