New Olive CD-to-Lossless Harddisk-based Audiophile Player

[I_Forgot]

Originally posted by jimbo1968
The squeezebox also transmits though, and it is probably sitting in your hifi rack, or on top of your amplifier.

I wonder if the wifi transmit is disabled if you use the wired connection.

(I'm about to buy a squeezebox)

Yes it is. You can always buy a wired-only SB if you are worried about the efect of wireless signals on the sound of your system.

But, don't worry about it. If a low powered 2.4 GHz transmitter can affect the sound of your stereo equipment, you have some really, really, poorly designed/built equipment.

I_F

[Charles Hansen]

If you can't hear the effect of a low powered 2.4 GHz transmitter on your stereo equipment, you have a really, really poorly performing system/hearing.

[b-square]

Originally posted by Charles Hansen
If you can't hear the effect of a low powered 2.4 GHz transmitter on your stereo equipment, you have a really, really poorly performing system/hearing.

is your intention to discourage people from purchasing ayre equipment or is that simply a side-effect?

bb (who is really happy with firstwatt, zu, and slim devices, because they all provide a level of customer attention seen almost nowhere else, in addition to their spectacular producs)

[davidsrsb]

Originally posted by Charles Hansen
If you can't hear the effect of a low powered 2.4 GHz transmitter on your stereo equipment, you have a really, really poorly performing system/hearing.

Or equipment that was designed by somebody who knows how to filter out uhf/microwave rf. It's not difficult but costs money.

[pinkmouse]

Originally posted by Charles Hansen
If you can't hear the effect of a low powered 2.4 GHz transmitter on your stereo equipment, you have a really, really poorly performing system/hearing.

From the evidence posted here, it would be equally as valid to posit that your system is particularly sensitive to RF interference. To know the true answer, we need to know exactly what you have done in your amps to eliminate RF, and compare this to other systems.

[jimbo1968]

Originally posted by davidsrsb
Or equipment that was designed by somebody who knows how to filter out uhf/microwave rf. It's not difficult but costs money.

Do you think my chipamp.com pcbs in metal cases will be susceptible?

What are the factors?

[pinkmouse]

Jimbo, if your case is metal and grounded, then you should be ok, but as with all these things, the only way to find out is to try. If you have a problem, there are various things that can be done, but don't worry about them prematurely.

[davidsrsb]

Originally posted by pinkmouse
Jimbo, if your case is metal and grounded, then you should be ok, but as with all these things, the only way to find out is to try.

Metal cases don't help at all if the signal couples in on cables. Cable screens need to be bonded to the case. DC grounding is not necessary, a 330pF capacitor with short leads is sufficient.

[SY]

pm, that would be my question as well. I can certainly imagine an effect much as Charles describes if the shielding and RF overload properties were compromised in pursuit of some other engineering goal. Since I saw the claim that tube systems are particularly susceptible, and coincidently that's what I use, I'm most eager to try the experiment for myself.

The nice thing about it is that if the effect is one of those subtle things that only the Illuminati can hear, this is something trivially easy to test blind.

[Charles Hansen]

Originally posted by davidsrsb
Metal cases don't help at all if the signal couples in on cables.

Exactly so. This tends to pose a problem in practice.

The AC power cable is pretty difficult to shield, as the shielding would have to extend all the way back to the power plant, as well as to every single building connected to the line. Since that doesn't seem too realistic, another option would be to use batteries.

However, it becomes difficult to deal with the issue of loudspeakers. Goldmund used to use (they still may, I don't know) a large coaxial connector for their proprietary coaxial loudspeaker cables, and this could be helpful here. Their current loudspeakers have metal enclosures, but I don't know that they are grounded to the shield of the coaxial cable. Everyone else who uses loudspeakers (or headphones) is pretty much out of luck.

Or you could try turning of your wi-fi, cordless phone, and cellular phone off and see what happens.