Why do designers/manufacturers...?

Just to follow up. As an Engineer, I knew that transmission lines, cables and wires, have certain impedance characteristics over frequency. They all have a certain resistance, inductance and capacitance, which I knew constituted the "impedance" and varied over frequency. So I "knew" inherently that different interconnect cables "should" affect the sound differently. I just didn't believe it until I heard it. But Fuses? How can a fuse have a different impedance characteristic over other fuses? you know, it is still a wire. A short wire, but a wire, with internal terminals, and is made out of different materials, so, yes, it could affect the signal. To the extent that it justifies spending a ridiculous amount for one fuse vs another? I'm not sure. But I would love to try it out and see/hear.

enjoy

Manufacturers do not listen the way we do or are as crazy as we are trying all types of things to get a better this or that. They would be better off designing better components that eliminate the need for tweaks such as better power supplies, rectification, regulation etc. But that would cost too much.

Happy Listening.

The manufacturers don't put any tweaks in their product, plain and simple. Their designs don't need tweaks, at least that's what they say. Unless you are saying that expensive capacitors are tweaks. Which I don't. We already know they don't put in better fuses or better power cords. And the amp manufacturers just leave their transformers just sitting there with no remedy for the rather large and toxic magnetic field. Sigh.

;-)

Tweaks huh? A long time ago we started using toroidal power transformers, and we noticed some odd things. One was that if the amps were too close together, they sounded different. Another was that the bolts supplied by the transformer manufacturers were heating up- in fact were hotter than the transformers!

Turns out that the magnetic field of a toroid is not as compact as they say. The bolts were heating up because they were ferro-magnetic. We switched to non-magnetic stainless mounting hardware and the heat problem went away and the amps sounded better! We moved the transformers in such a way that the amps could sit side by side with no ill effects.

Now we noticed that about 25 years ago yet to this day all transformer manufacturers will supply magnetic bolts that heat up. I don't see anyone in the industry talking about this either. This effect is sonically more pronounced than many tweaks I have seen audiophiles do.

BTW, you can see the links inside a fuse 'dance' when you put power through them. If you think that the fuse does not make a difference you are simply not paying attention. We figured out they were a problem in 1990 when we were designing the MA-2 amplifier. It uses a different kind of fuse that is much larger (the fuse rating is an FNM8 in the MA-2)- we figured out that they sound better that long ago.

I can easily measure differences between power cords. I have seen them rob an amplifier of as much as 40% of its total output power. With an effect that profound, you think it won't be audible? When I have people tell me that power cords don't make a difference, I always ask them to show me their measurements, because I have measurements I have done with a simple 3 1/2 digit multimeter that says they are wrong! But so, far, none of the skotics saying that power cords don't make a difference has ever had any numbers to support their position.

Geoffkait, I'm not looking for an argument, just curious. What do your Mpingo disks do and why do you think they have been forgotten?