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RedSix
Reviewed in the United States on July 2, 2024
Mullard makes great replacement tubes for guitar amps
Patrick E. Gaulke
Reviewed in the United States on November 8, 2024
Made my pre-amp sound great.
Coffee Joe
Reviewed in the United States on March 10, 2023
After researching preamp tubes I bought this. Was a little disappointed, very bright and a little thin sounding. The sovtek LPS sounded much better and the tung sol is even better.
Jay & Jessica
Reviewed in Canada on March 20, 2020
I have a pair of JJ EL84 tubes that started acting funny in my Traynor YGL1, so I upgraded them with Mullard EL84s. I also thought it would be fun to upgrade the JJ 12ax7 with this Mullard 12AX7 / ECC83 and I've noticed my amp now has the rich sound I've always wished it would have. I switched back and fourth between the two 12ax7s and the Mullard I received was superior.
Book reader
Reviewed in the United States on January 6, 2020
i dropped this in my bugera v5 infinium. the stock one wasn't terrible, but i read some reviews on this tube and felt it would open my amp a little. i do feel it is breathing a little better and has a better bite. not really from the crunch standpoint. but time will tell.
Justin Davis
Reviewed in the United States on September 9, 2019
No problems
chris
Reviewed in Canada on September 8, 2019
Nice sound I put the mullard in v1 slot for my fender reissue Princeton the highs are nice , and I like the tube output is written on the box.
Anthony T
Reviewed in the United States on March 27, 2019
Yeah it's only been an hour of testing and listening to music but hey I wanna get these thoughts down quick!First off, there is heaps of gain. Listening to this tube with my Project Horizon headphone amp and HD600 headphones, compared to other tubes I've been using I can definitely hear some gain buzz when the signal is off. But that doesn't take away from the sound.Couple notes:-Balance across the tonal spectrum. Throughout the range of sound including midrange being present, just as much as the highs. I can hear anything in particular that sticks out, maybe a 100 hour burn in will speak otherwise.-Soundstage isn't narrow but it isn't wide either. The music sounds right in between the ears and not too forward either. Almost like the sound is being presented in a half circle if that makes sense!-Kind of reminds me of a solid state signature. I'm actually hoping that with more burn in the detail will kick back a bit and warmth and smoothness set in, but I can't complain.If I can remember to do it I'll swing by here with an update on how things end up going after some good burn in time.
CharlieD
Reviewed in the United States on September 26, 2017
This tube is amazing! Surpasses all other 12ax7 tubes on any preamp or tube mic! I’m using this tube in my presonus “studio channel” and it sounds amazing!
Dan W.
Reviewed in the United States on November 27, 2017
I had some Chinese 12AX7's that were fizzy with the gain plus noisy with my single coils. I put a Mullard RI in V3 which was also the phase inverter and had great tone with no more hum. Excellent tube!
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