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User manual
Starting up and operating devices of the evolution wired series.
e 904
Operation

User manual
Starting up and operating devices of the evolution wired series.
- e 602 II
- e 604
- e 608
- e 609
- e 614
- e 825-S
- e 835 | e 835-S | e 835-S-PTT
- e 845 | e 845-S
- e 865 | e 865-S
- e 901
- e 902
- e 904
- e 906
- e 908
- e 914
- e 935
- e 945
- e 965
- MZA 900 P
- Cleaning and maintenance
  Note the following information when cleaning and maintaining evolution wired series products.

Operation

Positioning the microphone on a drum

Use the microphone clamp MZH 604 to attach the e 904 to the rim of the drum.
Position the microphone on the drum so that it is 3 to 5 cm above the drumhead.
It is vital to observe the following notes:
- Position A and B: The fundamental to overtones ratio can be adjusted by changing the angle of the microphone. The most balanced results are obtained at an angle of 30 to 60°.
  - Resulting sound A: More fundamental; little overtones
  - Resulting sound B: Less fundamental; many overtones
- Position C: Use of a second e 904 for picking up the bottom of the drumskin and the snares.
  - The lower microphone must be phase-reversed to avoid phase-cancellation effects due to the second microphone being on the other side of the drumskin

Positioning the monitor loudspeakers

To prevent feedback and crosstalk, postion your monitor loudspeakers in the angle area of the highest cancellation of the microphone (approx. 180°).