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Old 29th September 2003
Lives for gear
kosi's Avatar
Hi Matuchaa,
I PSU is not that important for the sound. Stability in power and tubeheating are here the most important features.
The UM 57 has a lil problem with noise, that can be solved, when you enhance the anode level from 120 V to 160 V. Neumann kept the value down, cause they wanted to be compatibel with the PSUs. And the most important feature: The UM 57 has sweepable characteristics. So if you use the normal 3 way switch, you can't catch the full abilty of this mic. The in between position are the sweet spots !

greetings, kosi