When I send a mono signal from my Mackie 1202 VLZ Pro to inputs 3 and 4 on my Studio 68 the level on input 4 is much higher than input 3.
The levels are set exactly the same on the front panel of my Studio 68. I have swapped the input cables but it doesn't make any difference, input 4 is still much higher input and the meters clearly shows it. To make the signals even I have to turn the input gain for Input 3 all the way up and have input 4 gain at 11:00 o'clock. If I connect the same cables to the front 1 & 2 inputs it's the other way around and I have to turn the input gain for Input 2 all the way up and have input 1 gain at 11:00 o'clock. Is there a way to calibrate this or am I missing something here ? |
Just coming out of a holiday weekend in the states. Without knowing what the input sources are, and how everything is connected, its hard to say.
There is no calibration needed on audio interfaces. The most likely culprit is that each channel you are trying to record outputs at a different level, and would need to be gain matched like you were doing. Its not abnormal to have to do that. |
matthewgorman wroteJust coming out of a holiday weekend in the states. Without knowing what the input sources are, and how everything is connected, its hard to say. As I stated previously: I have swapped the input cables but it doesn't make any difference, input 4 is still much higher input and the meters clearly shows it. Both signals going into my Studio 68 are exactly at the same level. On the good side is that even if I have to max input 3 there are no added noise ? Same thing goes for the front inputs 1 & 2 but on the front Input 1 equals input 4 and input 2 equals Input 3 level wise. FYI: My Studio 68 has been like this since day 1. |
without knowing if the source is instrument, line +4, Line +10, or mic, or something different, there isnt much more we can help with. Not all devices output the same levels.
Service ticket would be best |
SwitchBack wroteI suggest you open a service ticket for this one. You clearly feel that this is a hardware problem so let Customer Support help you put it through its paces. If they can’t resolve this for you ‘remotely’ then they’ll issue an RMA so you can send in the unit for a checkup and repairs if needed. Customer Support suggest service but since it works (sort of) it's probably not worth it ! I just thought there was something I could do myself like calibrate it since it is the same issue with the front inputs ! My Studio 68 has been like this since day one but then I hadn't any signal generator to test it ! |
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