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Which USB cable between PPA USB card and Audiophilleo?


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Hello.

 

I'm running a dedicated server (see my signature below) that is fairly optimized, using Paul Pang's USB card, and feeding my Audiophilleo with PurePower, that in turn feeds the Metrum Octave. The PP takes 5V from the server, cleans it up and feeds clean 5V to the AP.

So far I'm using the Wireworld violet cable that came with the AP to go from PPA USB card to AP, and a generic USB to go from a mobo USB to PurePower, and I'm thinking the USB cable has become the weak link in my signal chain.

 

I haven't tried different USB cables, nor I can do so as I live overseas and cable libraries aren't an option here.

 

What do you guys recommend? Am I right to assume I should keep a generic cable to feed the PP, and look for a USB cable that does not carry the 5V for the PPA-to-AP?

 

Cheers!

Roon Server: general purpose Gigabyte GA-Z170X UD5, i5 6600, Crucial MX200 SSD, HyperX 1x16GB RAM, Win 10 Pro, convolving in Roon digital xo + DRC + upsampling. Output through ethernet.

Roon Client AudioPC: Uptone etherRegen (with LPS 1.2) into Intel S1200KPR, Xeon E3 1265lv2, Crucial V4 SSD for OS, 8GB ECC RAM, Streacom FC8 Evo case, lab linear PSU, Windows Server 2019, AudioPhil's Optimizer, Acourate (digital xo, room correction)

Rest of Chain: Lynx Hilo as 8-channel DAC, McIntosh MC275 MkIV for mids & treble, Hypex UcD400HG for midbass into DIY dipoles 18" midbass/2x8" mids/AMT tweeter, 2 DIY 12" Rythmik subs, Equi=Core 1800 balanced power, dedicated power lines, room treatments

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No feedback?

I thought the choice of USB cable was highly dependent on the devices to be connected. Wrong assumption?

Should I go with a Light Harmonic Lightspeed or TotalDac D1, that seem to be what many folks here prefer?

Roon Server: general purpose Gigabyte GA-Z170X UD5, i5 6600, Crucial MX200 SSD, HyperX 1x16GB RAM, Win 10 Pro, convolving in Roon digital xo + DRC + upsampling. Output through ethernet.

Roon Client AudioPC: Uptone etherRegen (with LPS 1.2) into Intel S1200KPR, Xeon E3 1265lv2, Crucial V4 SSD for OS, 8GB ECC RAM, Streacom FC8 Evo case, lab linear PSU, Windows Server 2019, AudioPhil's Optimizer, Acourate (digital xo, room correction)

Rest of Chain: Lynx Hilo as 8-channel DAC, McIntosh MC275 MkIV for mids & treble, Hypex UcD400HG for midbass into DIY dipoles 18" midbass/2x8" mids/AMT tweeter, 2 DIY 12" Rythmik subs, Equi=Core 1800 balanced power, dedicated power lines, room treatments

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