Tung Sol 12AX7 - "powerful preamp tube"
I had been waiting for some time to try these particular 12ax7 tubes out. I had read a great deal of good things about this model of tube and had very high expectations going into the purchase. I o…
Sovtek 12AX7LPS - "The best 12ax7 from Sovtek"
If you are like me you have probably tried many different tubes over the years. I had a bad experience with Sovtek 12ax7 tubes in the past and found them to be very unmusical. The experience left a…
Groove Tubes GT 6L6 GE - " The best for my taste."
translatedMounted in a Fender Hot Rod Deluxe combo of U.S. fifteen years, these lamps are my favorite. Of all the games I've Groove Tubes with power stage of my combo, they are superior to the sound that I lik…
Electro-Harmonix 12AX7 - " good light, very rich"
translatedThis is a lamp with a gain quite expensive (comparable to Tunsol 12AX7) a little ground in the mids, it sounds a little "vintage". I think it sounds great in position V1 low gain, it adds wealth …
Sovtek 12AX7LPS - " always one or two in reserve!"
translated-I confirm excellent lamp used in phase inversion of vintage amp .... also made his job 'and will prove useful in V1 for those who want a more aggressive type output S 80 .. 90 .. . powerful enough w…
Groove Tubes 12AX7C Gold - " Excellent."
translatedVery successful test on a Fender Hot Rod Deluxe combo V1. This lamp provides more extensive than the Ruby I love sound. Its clear, the sound is gaining consistency and balance across the frequency sp…
Groove Tubes GT-12AX7R - " A classic"
translatedSee below. Idem. Idem. Lamp Russian origin team many Fender amps, including the Hot Rod Deluxe combo that I used basic test. It is a very good lamp, in addition, offers a great regularity in…
Tung Sol 12AX7 - " Correct."
translatedI'm not a fan of the Tung Sol, at least in a Fender Hot Rod Deluxe. The lamp itself is probably not bad (and that is why, careful, I note still "correct") and I do not doubt it to be the case in othe…
Sovtek 12AX7WA - " Very good."
translatedHere is a very good light. She met me fully on my Hot Rod Deluxe until I unearthed after many tests, my trio reference in Groove Tube (see my gear). Moreover, there is a good chance that Groove Tube …
Ruby 12ax7 ac5 HG+ - " Excellent."
translatedHere is a lamp of high quality, able to bring in V1 position, a real difference. Tested on a good old Fender Hot Rod Deluxe U.S., this Ruby gives a softer color channel "Drive" and "More Drive" and…
Groove Tubes Fender Hi Gain Kit SAG-FHG Matched - " Perfect for me."
translatedFor nearly a year, I try many lamps in different configurations on my old Hot Rod Deluxe U.S.. The choice of lamps pre-amp, the 12AX7 or equivalent, can be a real headache. Not easy, in fact, find …
Tung Sol 12AX7 - " a little disappointed"
translatedpurchased more out of curiosity than necessity, because it is supposed to deliver a sound "metal" ... after testing on my head Jet City 100W lamp is not terrible ... in V1, but its very good gain…
Tung Sol 12AX7 - " A test"
translatedSo I'm tempted by the reputation of Tung Sol (high gain, not too acute) I would say they are high gain (I use one in my pedal Pedaltone Koch), it brings more bite, but it depends on the combination…
TAD (Tube Amp Doctor) 12AX7A - " TubeAmpDoctor ... Thumbs!"
translatedTubeAmpDoctor ... they are incompetent or crooks!? After ordering online, time passes and nothing happens. I mean their mail several times that I have received nothing, after a month and they k…
TAD (Tube Amp Doctor) 12AX7A - " dealer to avoid incompetent!!"
translatedI just received my tubes, four 12AX7 and four ground-tung ECCC83s JJ. Here are the results of test on my metrix mA (Ua = 250V/Ug =-2V) JJ tubes: 1.35 / 1.5 1.25 / 1.3 1.3 / 1.0 1.5 / 1.05 tun…