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In Amir's measurements, we can read it in the picture:
Vrms
I don't see it on the dynamic range chart.
Is that what you are referring to?
In Amir's measurements, we can read it in the picture:
Vrms
I see it in the dashboard. Amir always measures around 4Vrms for balanced output.I don't see it on the dynamic range chart.
Is that what you are referring to?
One of the "star of the day headamps" has even an input impedance of 2k.Thank you.
200k is a very gentle load for a dac output stage, it is not uncommon for a preamp/amp to have an input impedance of 10k.
It would be good to test at both easy and more difficult loads to better differentiate a dacs performance into a wide range of possible preamps/amps.
But why use a pre amp with the ADI-2? It is effectively a pre amp as well as a DAC and has all traditional functionalities such as tone and balance controls, dynamic loudness, filters etc. In short, for best results just ditch the preamp.
I heard that the standard is 47k ohms on the inputs of power amplifiers.
Low output impedance of a dac (or separate preamp) is desirable for a couple of reasons.And using the 1000 x 1 impedance rule of thumb, an adequate output impedance of a dac or preamp should be 47 ohms.
Now since this is ASR I would like to have more science behind those, if anyone has it I would appreciate to learn it.
Well, if you want proofs that the RME performs similarly under low impedance load, just look at the headphones measurements.It would be good to test at both easy and more difficult loads to better differentiate a dacs performance into a wide range of possible preamps/amps
Well, if you want proofs that the RME performs similarly under low impedance load, just look at the headphones measurements.
After all, in worst case scenario, one may use the headphone out to drive an amp.
I don't have measurements with AP, but I have some in loopback mode.
Not ideal, but gives you an idea, still.
When you reach over 116dB SINAD for the loopback (DAC and ADC), neither DAC nor ADC can be bad
When the range where Loopback SINAD reaches 113dB or more is covering a wide share (>85%) of the range from -2dBu to 24dBu, you know that's not just 'good'.
View attachment 69730
And I also performed some measurements with the Pro fs R.
Note: This is what I call "measurement mode", which means both outputs and inputs are averaged as a mono signal.
Still, this is better than the ADI-2 Pro fs by several dBs in the same configuration
(Measured with Virtins Multi instrument 3.9 @48kHz)
EDIT: 4Vrms (+14.3dBu) is kind of worst case scenario here.
One question - Is RME ADI 2 FS EQ capable performing room acoustic correction automatically?
If I remember correctly I think they stated running the Pro in balanced does make it measure better but it's probably not an audible difference.Should be the same as these here, as their output stages are the same according to the video above.
As for the AD converter that would be interesting to see.
Thanks. Looks like it is quite difficult for me to use it. I thought probably it has a microphone for automatically adjustment. I am wrong.No, it's simply a 5-band Parametric Equalizer that you adjust yourself. There's no interfacing the device with some sort of external 3rd party programs or things of that nature.
Actually I find this type of eq easier to use. For one reason, eq'ing headphones can be done right on your head.Thanks. Looks like it is quite difficult for me to use it. I thought probably it has a microphone for automatically adjustment. I am wrong.
Got it. Thank you.Actually I find this type of eq easier to use. For one reason, eq'ing headphones can be done right on your head.
For room eq, simply play pink noise (or whatever you choose), with a mic and a laptop showing you the real-time response. While that's playing, adjust the eq until you get the levels you want at the mic position.