Hello, sorry if this is a silly question, I have googled a bit and I can't find any solid answer.
I have a RME UCX, when I connect my guitar to inputs 3 or 4 (the instrument inputs on the interface), even with the input gain maxed (12dB on the UCX), the recorded wave form seems to indicate that the signal is very weak (the wave form is not very high). I can't get anywhere near to clipping the signal even if I try. However, if I plug into the mic/line input, the signal seems to be much stronger.
My questions are: Is it OK to use the mic/line level inputs for recording guitar with active pickups? Can I do any damage to the interface by using the wrong inputs? Should I be using the instrument inputs or the mic/line inputs with active pickups?
Ektosh wroteHello, sorry if this is a silly question, I have googled a bit and I can't find any solid answer.
Tell us more about your active pick up guitar.
Make, model , look up specs etc .....
Most likely you are OK but you need to check the guitar output voltages v.s. the RME input voltages.
It kind of sounds like you have a impedance mismatch and might need a direct box in line to get the levels correct but check the guitar output specs to RME input specs first.
Not a waste of time. Someone else may have the same problem down the road. Thanks for posting the solution.
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Ektosh wroteGuitar is a ESP Horizon FR-II, EMG 81 in the bridge, EMG 60 in the neck.
To answer this question from the technical perspective, the 2 voltages mentioned equate to +3.7dBu and +7dBu.
I also understand that EMG actives prefer at least 25k impedance for the destination (input).
These 2 factors alone would mean that for some interfaces, you could in fact plug straight into the line in and have perfect level. It depends only on the level to achieve '0dB' in the digital domain. For some interfaces that may be as low as around +10dBu, but on fully professional interfaces, the input needs to be around +20dBu to hit '0' in the digital domain.
You also may get a better s/n ratio with actives if in fact your input impedance is lower than that required for passive pickups. Passives like to see at least 250k, but actives may have no problem with 25k. It depends only on the pickups in question. Some experimentation is required to get the best balance between noise and tone.
Some good discussion here
http://www.ultimatemetal.com/forum/f-o- ... boxes.html
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