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- franfranky
big win and big noise
Published on 09/30/14 at 14:42 (This content has been automatically translated from French)lamp used on my HIWATT in different position. big sound and huge gain against by no means silent, she brought a major buzz. she was little Faulty be, but for the price (15 euros) I think the value for money is not great.23 - kaoslord
good light, very rich
Published on 05/22/13 at 03:02 (This content has been automatically translated from French)This 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 to clear his (nice bass + treble crystalline).
on the other hand, it goes to the gain (> 3 on my amp) it begins to saturate VERY quickly and the sound management of low frequencies, which is fairly typical of Russian lamps.
So, in my amp (100w Jetcity) saturated sound loses the definition (but what a potato!).
I therefore prefer to V2 position (lamp used only by the saturation of the amplifier channel), the grain is very "grainy" and the distortion quite elevated.
To summarize, a good …Read moreThis 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 to clear his (nice bass + treble crystalline).
on the other hand, it goes to the gain (> 3 on my amp) it begins to saturate VERY quickly and the sound management of low frequencies, which is fairly typical of Russian lamps.
So, in my amp (100w Jetcity) saturated sound loses the definition (but what a potato!).
I therefore prefer to V2 position (lamp used only by the saturation of the amplifier channel), the grain is very "grainy" and the distortion quite elevated.
To summarize, a good lamp cheap. But beware, if your bass amp has already beautiful, it will be a little too heavy. on the other hand, if you have a feeble or too loud amp, it apporterta gain and depth to your sound.See less40 - berry036Published on 07/30/06 at 17:27 (This content has been automatically translated from French)I use this lamp on a distortion pedal for Tube Works Real Tube. I simply removed the original lamp (still good) that I replaced with this one to see the differences:
With the Electro Harmonix 12AX7, the sound is more crystalline. One can adjust the distortion at a relatively low level without losing a lot of potato (beneficial use on a piece of rock or blues). When the effect is set up, the sound is very powerful.
However, at the equalizer, the medium's almost absent. It's a shame.30 - fredianPublished on 08/19/06 at 10:49 (This content has been automatically translated from French)I install the lamp in place of a Sovtek 12AX7 (Premire up in front of a position and a Sovtek 12AX7 jjecc83 lps) of my classic 30. feedback, more EHJV and an almost total absence of microphones, sound pure trs, trs hot. Trs pramp good lamp!40
- VicReaperPublished on 10/09/07 at 09:38 (This content has been automatically translated from French)The 12 AX7EH trs is hot, sharp and sound gives a good overall DEFINITIONS.
This is not a choice I do it again, as the gain less than the available ground tung, EI and other golden dragon.
gain a good compromise / clarity but not a must for mtal in gnral.
it is relatively efficient on a floor of between prampli ...20 - elchookasPublished on 04/01/08 at 17:26 (This content has been automatically translated from French)I often find this lamp in pedals or amp type Valvestate and all lamps and now it's a REFERENCE: hot lamp with a lot of momentum. It has a good amount of gain and suffers from some of microphonie.Pas dsequilibre in the sound spectrum and a grain inimitable ...
Finally it may be that makes me a note at decendre final board as it is home to a bunch of stuff, the sound does not flatter myself the ear as the ground tung 12 AX 7 or DD ECC 83.
A standard21 - Voivod KPublished on 04/01/10 at 03:05 (This content has been automatically translated from French)This original lamp tubait my head Peavey 6505 +, ie, 6 preamp tubes!
The sound and the gain are really good because this lamp is pretty neutral in terms of the sound spectrum, and its dynamics is known to be relatively good. It is brighter and much more nervous than JJ ECC83 for example, other reference material. Very good lamp therefore found in a large number of products (Vox, Marshall, Peavey etc..). Since this lamp is widely used in general, it is very hard to give an objective opinion on it. But ...
I changed 3 of the 6 lamps (become microphonic), namely by Tung-Sol 12AX7 input (V1), a JJ ECC83 in V6 (clear channel) and another Electro-Harmonix 12AX7 in V3 (loop effects).
First no…Read moreThis original lamp tubait my head Peavey 6505 +, ie, 6 preamp tubes!
The sound and the gain are really good because this lamp is pretty neutral in terms of the sound spectrum, and its dynamics is known to be relatively good. It is brighter and much more nervous than JJ ECC83 for example, other reference material. Very good lamp therefore found in a large number of products (Vox, Marshall, Peavey etc..). Since this lamp is widely used in general, it is very hard to give an objective opinion on it. But ...
I changed 3 of the 6 lamps (become microphonic), namely by Tung-Sol 12AX7 input (V1), a JJ ECC83 in V6 (clear channel) and another Electro-Harmonix 12AX7 in V3 (loop effects).
First note: Tung-Sol 12AX7 crushes everything in its path in terms of gain. HE is a good lamp for those who want to gain correct without taking off the wallpaper from the volume pot exceeds 5 / 10. In addition, the Tung-Sol is an ultra-bright compared to the EH. Conclusion: HE is actually a lamp with a good gain and a fairly neutral sound.
Second point: the clean sound is much more velvety, meaning that the JJ ECC83 is softer than the EH, with a sound spectrum more pronounced in the midrange. The EH is definitely a lamp that combines several traits without success in a particular field.
It's a perfect light for its neutrality musical, it respects the sound of the instrument and allows for a very correct gain. That is why it is used in a large number of amps because it produces a very standard. Ideal for who wants to change a lamp into an amp without radically changing the sound.
Furthermore, very low microphonics, no background noise and high reliability. Moreover, it is a very affordable product (14.50 € on www.passion-audio-tube.com). A must.See less60 - Stfeewk
Very good lamps for metal
Published on 01/08/11 at 07:25 (This content has been automatically translated from French)I use these lights for 2 months on a multi effects zoom g9 2TT, who had a sound very loud with the lights of Chinese origin!
I only tried the original lamps that lacked precision, warmth and harmonics!
what I like most is the harmonics and precision control. Criart sound is less, aggressive
it is well worth 16 euros and are based metal!
30 - moosersPublished on 07/25/09 at 18:14The Electro Harmonix 12AX7 is a standard tube that can be used for a variety of applications, but I use these for my guitar amplifier. The model of the 12AX7 is a popular tube these days because it is cheap and gets the job done pretty well. In addition to making fine pedals, Electro Harmonix has a line of tubes, which in the 12AX7 is probably their most popular tube. I currently have a few of these in my 1976 Fender Twin Reverb and they do the job perfectly. While there are certainly some more expensive versions of the 12AX7 out there that sound better, Electro Harmonix's version of the tube is cheap enough where I feel that I can replace them on a consistant basis without breaking the…Read moreThe Electro Harmonix 12AX7 is a standard tube that can be used for a variety of applications, but I use these for my guitar amplifier. The model of the 12AX7 is a popular tube these days because it is cheap and gets the job done pretty well. In addition to making fine pedals, Electro Harmonix has a line of tubes, which in the 12AX7 is probably their most popular tube. I currently have a few of these in my 1976 Fender Twin Reverb and they do the job perfectly. While there are certainly some more expensive versions of the 12AX7 out there that sound better, Electro Harmonix's version of the tube is cheap enough where I feel that I can replace them on a consistant basis without breaking the bank every time. At first I was a bit skeptical knowing that Electro Harmonix is a pedal company and not primarly a tube company, but after installing these in my Twin Reverb for the first time, I was pleasantly surprised and have since continued to use Electro Harmonix tubes in my amps. I have used the Electro Harmonix 12AX7 in a few other amps as well and have gotten similar results that I have been happy with. While different tubes won't necessarily change the sound of an amp, when good tubes are installed in your amp you know that your amp is working to the best of its ability and isn't being limited by anything. Installing the Electro Harmonix 12AX7 in your amp will only take a little while if you are familiar with how to do so, and if not I would recommend bringing your amp down to your local music shop to get it done and maybe have them show you how to do it so you know for the future. I was wary of chaging them myself in the past until I was shown how and now its great to be able to do so. If you are looking for a 12AX7 tube, the Electro Harmonix 12AX7 is a great choice both in terms of price and quality.
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