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The RME hdsp has a breakout box that is powered separately right? If we are talking about the same unit, it connects to a pcmcia card in the laptop. Correct? If this is the case, then the required isolation is occuring. If you want to use a Dull, you can't use an internal, pcmcia) or USB sound card - you >have< to use a firewire, or other self powered break out box, with it's own, isolated, power supply. bIz ----- Original Message ----- From: "Paul Weissman" <paul-mailinglists@nioterra.com> To: <Loopers-Delight@loopers-delight.com> Sent: Wednesday, April 02, 2003 1:05 PM Subject: RE: Laptop recommendations > > the one that was stolen was an inspiron 8100. i also owned another inspiron > one from about 2-3 years ago. both have been used many times in > performance. no noise on rme hdsp... can't speak for anything else. i > would never use the internal outs on any pc sound card without some kind of > shielding or transformer like mark suggested. > > paul > > > -----Original Message----- > > From: biz-looper@groovetronica.com >[mailto:biz-looper@groovetronica.com] > > Sent: Wednesday, April 02, 2003 1:01 PM > > To: Paul Weissman; Loopers-Delight@loopers-delight.com > > Subject: Re: Laptop recommendations > > > > > > > > Hmm, that's one thing I never tried. Running the computer without > > a ground, > > in club and rehearsal spaces where I can't guarantee the power > > quality seems > > a little scary.... > > > > Let me reiterate - this isn't ground hum - this is noise. Louder > > than a line > > level signal. > > > > What model is your >old< laptop? Perhaps it's only an issue with > > units made > > in the past two or three years.. > > > > > > ----- Original Message ----- > > From: "Paul Weissman" <paul-mailinglists@nioterra.com> > > To: <biz-looper@groovetronica.com> > > Sent: Wednesday, April 02, 2003 12:55 PM > > Subject: RE: Laptop recommendations > > > > > > > > > > couldn't disagree more. dells rock. i've worked with sony, > > ibm and dell > > > laptops... i'm about to buy a new laptop (old one was stolen) > > and... it's > > > going to be a dell! and yes this is the machine i'm going to > > be using for > > > music performance. > > > > > > it's true that there is bad ground hum in my old dell, but a 3-2 >prong > > > converter on the laptop power supply makes quick work of it. no hum. > > > > > > outside of that, everything else is great... > > price/performance.. look and > > > feel... latency with rme hdsp (3ms)... just a great deal overall. > > > > > > but, to each his own, i guess... > > > > > > paul > > > > > > > > > > -----Original Message----- > > > > From: biz-looper@groovetronica.com > [mailto:biz-looper@groovetronica.com] > > > Sent: Wednesday, April 02, 2003 10:37 AM > > > To: Loopers-Delight@loopers-delight.com > > > Subject: Re: Laptop recommendations > > > > > > > > > > Also, most of the new laptops have Firewire, but you might also >look > for > > > USB > > > > 2.0 for flexibility. I just noticed the new Dell laptops now > > > have USB 2.0, > > > > which is great. > > > > > > > > > > > > > > Unless you can check the unit before you buy it, STAY AWAY from all > things > > > Dell. > > > > > > I haven't seen their current production models, but on every unit > > > I've tried > > > (more than a few, since we use them at my day job), their power > > > supply feeds > > > directly into the ground, which means that you can't use them for any > kind > > > of audio with the power plugged in - a horrible and unavoidable hum > occurs > > > when you plug them into any kind of mixer or power speakers. There is no > > > solution - it even happens with USB audio. > > > > > > When I talked to Dell support, the said they knew of no plans to rectify > > > this. > > > > > > bIz > > > > > > > > > > > > > > > >