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Prime headphone amp cutting out
#238016 2015-07-22 18:55
Joined: Apr 2015
Posts: 21
NYC, USA & Paris, France
Danny
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Roon Labs Founder & CTO
Harmless
Danny
Roon Labs Founder & CTO
Harmless
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Joined: Apr 2015
Posts: 21
NYC, USA & Paris, France
Sometimes, the Prime Headphone Amp (connected to Mac OSX via USB) cuts out randomly. All sound stops. Unplugging and replugging works fine.

Any ideas for fix? Is there a firmware update for this guy?
Re: Prime headphone amp cutting out
Danny #238017 2015-07-22 20:10
Joined: Nov 2006
Posts: 4,013
Likes: 1
London, England
dpstjp Offline
Vogon Civil Servant
dpstjp
Vogon Civil Servant
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Joined: Nov 2006
Posts: 4,013
Likes: 1
London, England
Danny,

I've never had a cutout like that. I do find that I need to unplug the USB connection and replug it in when I restart the iMac to get the Mac to acknowledge the Prime is switched on and connected. I have the Prime Power Supply.

Sooloos, Roon, G series (with LPS upgrade), 800 series (with LPS upgrade), HD621, AC200, Prime and PS, DSPs old and new.

Purdeys, Moke, Leica, 'Blad. Only the best.
Re: Prime headphone amp cutting out
dpstjp #238018 2015-07-22 20:15
Joined: Apr 2004
Posts: 12,733
Likes: 88
nr. Milton Keynes, UK
VirusKiller Offline
Don't Panic!
VirusKiller
Don't Panic!
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Joined: Apr 2004
Posts: 12,733
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nr. Milton Keynes, UK
I see this maybe once a week. TBH, I assumed it was a problem with OSX.

Roon Developer and ex-moderator of this Forum
I am #25 in the HH1 photo of fame.
Re: Prime headphone amp cutting out
VirusKiller #238035 2015-07-23 15:24
Joined: Apr 2015
Posts: 21
NYC, USA & Paris, France
Danny
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Roon Labs Founder & CTO
Harmless
Danny
Roon Labs Founder & CTO
Harmless
Offline
Joined: Apr 2015
Posts: 21
NYC, USA & Paris, France
I can't imagine it was an OSX issue with USB DACs. I ran the Meridian Explorer and AudioQuest DragonFly for months without issue.

I'm switching to a Bel Canto DAC later this week. Hopefully it won't have the same issue.
Re: Prime headphone amp cutting out
Danny #238037 2015-07-23 17:10
Joined: Oct 2014
Posts: 276
Likes: 4
Normandy, Surrey, UK
Big T Offline
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Big T
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Joined: Oct 2014
Posts: 276
Likes: 4
Normandy, Surrey, UK
I'd have a word with support!

Never had an issue with my E2 and they are largely based on the same tech.

T

Lounge: DSP33's, MS200, QNAP (Storage and Core), G68D, HD421
Family Room: DSP5000
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