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Groove Tubes Gold Series GT-12AU7 Preamp Tube

Item #: 
1274034469237
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The Groove Tubes GT-12AU7 preamp tube is based on a design from the Ei factory in the former Yugoslavia. The GT-12AU7 is an excellent quality large-plate European-made driver tube, styled after the fa... Read More

Your Price:
$1999
  • LIST PRICE
    $2499
  • DISCOUNT
    20%
  • SAVINGS
    $500
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    Free Shipping This item qualifies for free ground shipping anywhere within the contiguous United States.
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    Not Returnable Certain items purchased at Guitar Center may not be returned, including but not limited to media, software, computers and microphones.
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    Guaranteed Lowest Price If you find a better advertised price on the identical product from an authorized U.S. dealer within 45 days of purchase, we'll match it-guaranteed.
Overview

The Groove Tubes GT-12AU7 preamp tube is based on a design from the Ei factory in the former Yugoslavia. The GT-12AU7 is an excellent quality large-plate European-made driver tube, styled after the famous Telefunken line of dual triodes. The usual application for a 12AU7 tube is as the phase inverter that drives the power tubes. These are very well matched, and so are highly recommended for Ampeg SVT's and other amps using this tube as a phase inverter. Also commonly used as phase inverters in McIntosh Hi-Fi amps, some Ampeg amps, and will yield the most clean headroom in many amps.

In the latest Fender Pro Series amps such as the Pro Reverb, Concert, and Twin, this tube in V2 (or a 12AY7), will drop the gain of the gain channel where some feel the tone is of a less intense or "buzzy" character. This will then allow a much wider range in the sweep of the volume and gain controls of this channel.

Country of origin: China

Features
Specifications
  • Country of origin: China
Warranty
MANUFACTURER'S WARRANTY
90 day warranty on power tubes, includes replacement of whole set if one tube goes bad.
180 day warranty for preamp tubes.
3 year warranty on SubstiTubes and Solid State Rectifier.
Check with M-Audio for warranty on GT microphones.


  • Customer Reviews
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REVIEW SNAPSHOT®

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5.0

(based on 1 review)

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Reviewed by 1 customer

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(6 of 7 customers found this review helpful)

 
5.0

12AU7 cuts feedback on harp amp

By Steve

from New Haven, CT

I changed out a 12AX7 Groove Tube for the 12AU7 to cut back on the feedback of my tube amplifer that I use for blues harmonica. It did the trick--simple as that.

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