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Get Ready to Measure
Chapter 9
Get Ready to Measure
Perhaps you are familier with the concepts when measuring the response of an audio
system, then you will find this chapter obvious, but relevant.
If you are not familier with audio-measurements you should definitely pay extra attention
to this chapter.
9.1
Microphone Connection
Any microphone can in principle be connected to the DSPre, but for simplicity it will be
assumed, that 'The Microphone' is the HOLM Acoustics microphone Mic 1.
Connect the microphone to the DSPre analog 1 Left input on the DSPre and adjust the
analog input gain (12 dB for the Mic 1)
Microphone Input Gain
Voltage (Peak-to-Peak)
HOLM Acoustics
0 dB
3dB
6 dB
20 V
14 V
10 V
9 dB
12 dB
7 V
5 V
HOLMFIR User Guide v0.4.4
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