By Khaleesi Linares. Guitar Electric. Published at Thursday, August 09th, 2018 - 02:05:16 AM.
The best guitar cables will have a solid insulation using a material that wont allow this interference into the core of the cable. The job of your lead is to get the signal from your guitar to the amp without anything any contamination, so you need a material that conducts electricity very well. The high end and studio spec guitar cables will be made from oxygen free copper or silver, both of which are great conducting materials.
The third OEM tube is the European JJ ECC83 (ECC83 is the British name for a 12AX7; JJ's are made in the Slovak Republic). They are constructed with short, fat plates and a halo getter, like the Shuguangs, but they have only two spacers and a metal disk above the plates that is connected to the getter. You may see these sold as Groove Tubes ECC83's but the label doesn't matter; they are still JJ ECC83's. As for the sound, they have a more linear tone than the Sovteks or the Shuguangs, and a more prominent midrange. Personally, I think they sound best with Marshall or Vox amps that run EL34 or EL84 power tubes.
It's all about the combination and the way the components work together. If you put flatwounds on a Gibson and plug in to a Polytone, you'll see why so many jazzers love those amps. But if you try the same amp with a Stratocaster and a set of roundwounds, you'll wonder why anyone would ever buy a Polytone. An amp that sounds good with one guitar may sound terrible with another guitar. And the reason may have nothing to do with the amp. The pickups and strings on the guitar may just not be a good match for the components of the amp.
This effect is very sharp, with a distinct on-off sound. It is very different than trying to turn the volume knob quickly. You just won't get this effect that way. You need the help of the switch to get that sharp cut in and out of the sound. Eddie Van Halen was always cutting up and customizing guitars in the early Van Halen days (when this track was recorded). It's likely that he had only one pickup active at all: the bridge pickup. At the tail end of the guitar trick (at 1:42-1:43), he's switching the sound out very quickly. My guess is that he wired the "three way" pickup switch to be two-way. So he only had to flick the switch up one level rather than two to get the sound to completely cut out.
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