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« on: August 18, 2024, 06:31:52 PM »
Hi all!
I've finished a pair of MU524s last week and did the calibration routine four times on each of them.
the difference in output level and gain reduction is quite a lot, I need to set the input pot on of of them 1 dot to the left to get the same levels on both.
In step 6 of the setup manual (audio path test) the 1v signal gives 3,177 VAC on the left one and 3,450 VAC on the right unit.
GR is different too and output levels differ around 1,2 dB.
I do not mind that two units have little differences in settings, but around one dot seems a bit much.
All voltages are within specs, except for the output level when the out pot is CW which gives over 20VAC on both units which seems a lot.
What could cause the difference in signal levels and the high output?