If you want to record both the Kemper's stereo processed outputs AND your direct output simultaneously (since the Babyface has only (2) analog input channels) you could add a small analog to S/PDIF optical output converter to feed the Babyface S/PDIF optical input with your direct ("dry") signal. I suspect you won't hear any significant differences if levels are matched and you're recording only at 44.1k. You must use a RCA/Toslink format converter. Remember, the Babyface has no RCA S/PDIF input, and the Kemper has no optical output, so the Kemper cannot be connected directly. You can then compare both connection methods directly. Of course, it's easy to connect the Kemper to the Babyface using both the S/PDIF digital feed with a RCA digital to optical converter and the XLR Main outputs and record it both ways (remember to use the Kemper as the master clock if using the S/PDIF to feed the Babyface). Certainly, the analog connection has much more flexibility. Also using the Babyface allows use of the RME as a master clock and, of course, allows use of any sampling rate from 32k to 192k if desired. The Babyface has a ADC dynamic range of 115dB and an input dynamic range through the XLR's of 111dB (unweighted). The RME uses excellent converters and analog input circuitry (probably better then the converter ahead of the Kemper's fixed 44.1/24bit S/PDIF output). The Kemper's rated internal dynamic range (S/N+distortion) = 108 dB. They are balanced, unlike the Direct and Monitor TS outs which are unbalanced. ![]() It's the best source for a "dry " signal.įor digitizing the Kemper's amp simulated outputs with the RME Babyface, the XLR Main Outputs should result in the best (most accurate with no compromise of S/N ratio) signal. It's effectively just a buffered, unbalanced direct version of the input, and turns the Kemper into a very expensive DI input. It's for sending to a reference amp or can be used to feed the Kemper's "Return Input" to set up an effects loop. The Kemper's "Direct Out" is a mono send that is the original guitar signal.
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