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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

Available 12-06-2016 You will not be charged until order ships. Email me when this is in stock.

Price:
$1999.00
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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

by PowerReviews
Groove TubesGold Series GT-12AU7 Preamp Tube
 
5.0

(based on 2 reviews)

Ratings Distribution

  • 5 Stars

     

    (2)

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Reviewed by 2 customers

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5.0

Gt 12au7

By Tom M.

from Bridgewater. Nj

About Me Experienced

Verified Buyer

Pros

  • Good Quality
  • Improves Sound

Cons

    Best Uses

    • Practicing

    Comments about Groove Tubes Gold Series GT-12AU7 Preamp Tube:

    Exactly what I was trying fo

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    (7 of 9 customers found this review helpful)

     
    5.0

    12AU7 cuts feedback on harp amp

    By Steve

    from New Haven, CT

    Comments about Groove Tubes Gold Series GT-12AU7 Preamp Tube:

    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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