Groove Tubes 12AU7 Preamp Vacuum Tube (5550112399)

Groove Tubes 12AU7 Preamp Vacuum Tube
Model# 5550112399
UPC 736021123991

List Price: $34.99

Price: $19.95

Special: $15.95*

Save Up To: $19.04 (54%)

Availability: In stock and ready to ship!

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GT-12AU7 tubes pass every Groove Tubes premium certification for microphonics, hum, physical characteristics and function. Quite simply the best 9-pin triode preamp tubes you can buy — specifically designed and tested for musical instrument amplification and standard equipment on FenderŪ amps. Outstanding and consistent performance for mixing and matching to get a signature tone from your amp.

Our lowest-gain preamp tube. Can sub for a 12AX7 for lower gain and to produce a very creamy, warm tone. Great for harp or blues when softer, more compressed distortion at lower volumes is desired. Very low gain and very mellow output.


  • 9-pin triode design
  • Low gain for mellow output
  • Perfect for harp or blues players

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