[andyschaub]

Hello,

I have a 2013 iMac running High Sierra and run that into a Triode Audio Company TRV-CD5SE vacuum-tube CD player and USB DAC by way a of a Stealth Audio USB 2.0 cable (USB A to USB B).

The sound is great, but I wanted to see if the iFi iPurifier2 would make it even better, so I borrowed one (the USB 2.0 B model, not the USB 2.0 A model) from a friend, but it's not really working.

When I plug it into the USB 2.0 B input of the TRV-CD5SE, all of the Purifier2 lights come on but my iMac can no longer "see" the TRV-CD5SE at all.

I can try another USB 2.0 cable. I have a few extras. I'd just really like to use the Stealth USB cable and I have a feeling it might have to do with High Sierra (macOS / OS X version 10.13.6), which seems to have a lot of bugs with disk formatting and USB 2.0 support; although, the firmware in the iPurifier2 might need an update, too?

Any and all suggestions would be greatly appreciated.

Cheers,
Andy

 

[groovyd]

Hello,

I have a 2013 iMac running High Sierra and run that into a Triode Audio Company TRV-CD5SE vacuum-tube CD player and USB DAC by way a of a Stealth Audio USB 2.0 cable (USB A to USB B).

The sound is great, but I wanted to see if the iFi iPurifier2 would make it even better, so I borrowed one (the USB 2.0 B model, not the USB 2.0 A model) from a friend, but it's not really working.

When I plug it into the USB 2.0 B input of the TRV-CD5SE, all of the Purifier2 lights come on but my iMac can no longer "see" the TRV-CD5SE at all.

I can try another USB 2.0 cable. I have a few extras. I'd just really like to use the Stealth USB cable and I have a feeling it might have to do with High Sierra (macOS / OS X version 10.13.6), which seems to have a lot of bugs with disk formatting and USB 2.0 support; although, the firmware in the iPurifier2 might need an update, too?

Any and all suggestions would be greatly appreciated.

Cheers,
Andy

I don't believe there is any firmware in the ipurifier2 or 3 seeing that it uses a off the shelf usb 2.0 4 port hub chip with integrated crystal oscillator and advertised itself as not even having an mcu.

 

[groovyd]

Hello,

I have a 2013 iMac running High Sierra and run that into a Triode Audio Company TRV-CD5SE vacuum-tube CD player and USB DAC by way a of a Stealth Audio USB 2.0 cable (USB A to USB B).

The sound is great, but I wanted to see if the iFi iPurifier2 would make it even better, so I borrowed one (the USB 2.0 B model, not the USB 2.0 A model) from a friend, but it's not really working.

When I plug it into the USB 2.0 B input of the TRV-CD5SE, all of the Purifier2 lights come on but my iMac can no longer "see" the TRV-CD5SE at all.

I can try another USB 2.0 cable. I have a few extras. I'd just really like to use the Stealth USB cable and I have a feeling it might have to do with High Sierra (macOS / OS X version 10.13.6), which seems to have a lot of bugs with disk formatting and USB 2.0 support; although, the firmware in the iPurifier2 might need an update, too?

Any and all suggestions would be greatly appreciated.

Cheers,
Andy

If you go into 'About this mac' and click on system report and then click on USB mind pasting the screenshot of what it shows for this hub details?