Re: NAD 314 hiss and hum?

"Dallas" <Cybnorm@[EMAIL PROTECTED]
> wrote in message
news:fsp1pc02uac@[EMAIL PROTECTED]
> My NAD 314 has developed both a nasty little hiss and a
> hum.  I'm wondering if there are some rules of thumb for
> tracking down these symptoms.

First question - what changed in terms of system configuration.

Second question - does this happen for all settings of all relevant 
controls?

Third question - does this happen with all cables but the speaker and
power 
cord removed.

> I use generic cheap (Radio Shackish) RCA cables, I'm not
> sure if they are really ****elded. Could that be it?

Not if they are in good shape,

> I do have the ground terminal connected to the NAD,
> disconnection it makes no difference.

IME connecting the chassis of an amp or a receiver to a ground usually 
hurts, if anything.