DIGAM Powersoft Q5001 Bedienungsanleitung Seite 35

Appendix
User selecteable active filters
The block diagrams of Fig.6-7 contain a frequency selectable filtering block for each channel of the
amplifier.Every block can be setted to filter the input signal with a
an HPF 12dB/oct slope (
placing the jumpers on the front panel's 40 pin connectors. The connectors are mounted on the amplifiers
front PCB, available by screwing off the amplifiers blue front panel and the silkscreened black mask.
Fig. 3 Amplifiers front PCB
HPF CH1 (CH3)
LPF CH1 (CH3)
Fig.4 Connector Layout. The dashed line distinguishes the selectors of one channel from the other.
The amplifier front panel provides also a set of selectors that gate the input signal under an unuseful signal
present at inputs ( -50dBU
to select no gate control moving jumpers onto "
Fig.5 The selectors are placed on the center part of the front panel PCB. Factory selection: gate ON
POWERSOFT
65-100-130 Hz), or a BPF
right view. The jumpers default position on the above 40 pin connectors is setted in order to
let the signal flow through the filtering section without being modified.
Each connector is displayed as Fig.4
For a correct selection always refer to the block diagrams contained in Fig.6-7.
). This control performs muting in case of dirty signal line conditions. It's possibile
OFF
To be used only in Q-series
APPENDIX - 1
LPF 12dB/oct slope (
(with a cascade of the just mentioned filters), by
Only for Q-series
HPF CH2 (CH4)
LPF CH2 (CH4)
" position.
65-100-130 Hz),
A A
p p
p p