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Groove Tubes GT12AX7M Mullard

Started by Systematic Chaos, June 27, 2018, 04:34:54 AM

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Systematic Chaos

Anyone remember these?
They were hyped some 10-12 years ago and IIRC Harley was a massive user and was raving about them.
I always thought they were discontinued....
I went to a music store today and they had a massive stock so I bought 2 (18$ a piece, fairly reasonable) for my also newly acquired Mesa V-Twin.
First impression is really good....detailed and musically rich

rnolan

He SC, no I don't recall them, but Harley (where is he these days  :dunno: ) know his stuff  :thumb-up: So what are they really ?  GT don't make tubes (as you know) just test and rebrand.Shame you don't have an ADA preamp with you to test them in  :facepalm: .  My guess is these (from what you say) would be nice in a MP1.
Studio Rig: Stuff; Live Rig: More Stuff; Guitars: A few

MarshallJMP

They were supposed to be a reissue mullard back in 2000, they still sell them but now they are just rebranded Chinese tubes.

Chip Roberts

I have GT12AX7s in both of my MP1s.  What makes this particular pair different?
Rack of Death:
MP1 v2.01/Roland GP8/Boss NS50/ADA B200s

Pedalboard:
Boss TU2, Mooer Pitchbox, Boss BF2, Boss CE5, MXR EVH Phase 90, Behringer HB01 Wah/ART X15 Ultrafoot/

Cabinet:
Custom 2X12 with WGS Retro 30/HM75