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RME User Forum → FireWire & USB series → UFX converting +6db too hot - bit slip?
Hi,
I have a UFX running USB and have noticed it is converting AD 6db hotter than it should. I think this is a bit slip, but after many restarts and firmware update to 360, it is still happening - even when in stand alone. This is an original generation UFX.
Anyone with advise please?
Thank you.
Please provide exact level settings and fed level plus mode (balanced/unbalanced).
Level is set to +4dbu, 0DB gain, input on 11-12 as line. Same result on line input 1-8, again no gain added. Tones from analog MRL - correct alignment confirmed on tape machine and external meters.
Compared with another UFXii and the Focusrite Red A16R. Mode was balanced XLR and TRS on line inputs. Thank you MC, I was hoping to see you here.
But where do you see the '+6 dB'? And what level is coming from the MRL?
MRL on tape machine is 250 nb/m +6 NAB at zero reference level. This is -15 on my other UFXii with 0 gain, and -18 on my Focusrite (as expected since this is where my converter is set too).
On this original UFX the meters on the AD are reading -8 to -7db from digital zero. The other issue is the sound - there is crackle with the signal. Thank you.
Can you test with a connection from analog out to in on the UFX?
Regards
Daniel Fuchs
RME
RME User Forum → FireWire & USB series → UFX converting +6db too hot - bit slip?
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