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To play devils advocate *slightly*, I have no doubt that Timmysoft does hear a difference. However, that is entirely different to saying that there *is* a difference. To use an analogy - I could pour a measure of wine into a thin-walled crystal glass and also, from the same bottle (avoiding any sediment), into a glazed pottery mug. Assuming equilibrium is reached with temperature, the two drinks will taste different, despite being absolutely identical. Tis the same way with sound, it really is *all* in the mind, for that is where senses are processed, and the slightest thing will affect that processing. And because you *hear* it, you become absolutely *certain* that what you are hearing is a solid reflection of reality, when actualy it isn't.
Adam
It's just that his hypothesis would fail in a properly conducted double blind experiment.
https://soundcertified.com/speaker-ohms-calculator/
Agreed
EDIT - it's Timmysoft. My bad.
I did like his reasons though!
https://soundcertified.com/speaker-ohms-calculator/
I've been aware of this myth for a long time, after someone brought me one for repair, and there was a jumper cable in the FX loop. I assumed that was because the FX loop switch contacts had got dirty - which is common on many amps, and causes random volume changes or the amp to cut out, and is most easily fixed from outside the amp by putting a patch cable in the loop - so I cleaned the contacts and made sure it was working properly as well as fixing whatever else was wrong with it. I told the owner that I'd done the loop as well, and he said 'no, it was fine - it's because it makes the amp sound better'. So I checked, and it doesn't.
I suppose if you run the amp with the master volume up full then it could make a difference that you can't achieve otherwise, but I don't know anyone who does that!
"Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone." - Walt Kowalski
"Only two things are infinite - the universe, and human stupidity. And I'm not sure about the universe." - Albert Einstein
I have a JCM2000 DSL401 and there's a very noticeable difference in volume and clarity/punch when I jump the FX loop (the FX loop has an FX mix control so is parallel I think?). I'm assuming that this is because the circuitry is therefore quite different to the JCM900 in this regards?
"Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone." - Walt Kowalski
"Only two things are infinite - the universe, and human stupidity. And I'm not sure about the universe." - Albert Einstein
https://soundcertified.com/speaker-ohms-calculator/
will never know now
Edit****
if I tie a knot in the longer one that should work no?
BOOM BOOM!
https://soundcertified.com/speaker-ohms-calculator/
The reason for it in the DSL appears to be that the parallel bypass is very crude and just done with a single resistor, which has to be a rather high value to avoid feedback via the loop, so actually the non-loop sound is weaker than it should be.
Because the 900s came earlier and they hadn't developed it yet .
The 900 loop is a vast improvement over the 800 and Jubilee loops too, which aren't properly buffered at all and interfere with both the level and tone. At least the 900 one is buffered properly.
What's puzzling is why Fender can use such a perfect loop in the Hotrods - without unnecessary complexity, it's just a single IC, but is fully buffered and has almost no detectable effect on the tone - and hardly anyone else seems to be able to get it right. Although to be fair, Marshall's add-on loop circuit which comes as stock on the 1987X and 2203 reissues is very good too.
"Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone." - Walt Kowalski
"Only two things are infinite - the universe, and human stupidity. And I'm not sure about the universe." - Albert Einstein
whether there are components in there or not, there was a definite difference.
This is a very well-known effect and makes it quite difficult to compare two sounds unless you’re certain they’re very accurately matched for volume.
(Sorry, edited a bit that was maybe too dismissive.)
"Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone." - Walt Kowalski
"Only two things are infinite - the universe, and human stupidity. And I'm not sure about the universe." - Albert Einstein
It's probably a worthwhile mod for some amps which already have a loop tbh.
http://i67.tinypic.com/rhv220.jpg
Rift Amplification
Brackley, Northamptonshire
www.riftamps.co.uk
This is misinformation, you need to use a cable that is exactly φ times as long as the length of the plug. It's important.