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[8] DIP-SWITCH SETTINGS AREA.
[9] VPK - VOLTAGE PEAK LIMITER setting (for each channel). Three dip-switches allow to set the maximum output
voltage peak for each channel among eight values. it makes possible to reduce the channel power according to connected
speakers. Max power value can be calculated using the formula:
4 INDEPENDENT CHANNELS CHANNELS BRIDGED
150 V 300 V
121 V 242 V
101 V 202 V
83 V 166 V
70 V 140 V
56 V 112 V
47 V 94 V
38 V 76 V
[10] MODE. Select the VPK function operation and can be set on HARD (recommended for subwoofers and low-frequency
transducers) or SOFT (recommended for mid and high frequency transducers).
[11] BRIDGE A+B AND C+D SWITCHES. If set to ON, channels A and B (and/or channels C+D) are bridged (the
respective led [7] lights up). Leave it on OFF for normal two channels operation. See the ‘Operation modes’ manual
section.
Important: make sure the amplifier is turned off before setting this switch.
[12] COMMON GAIN SETTING. Three dip-switches allow to set the common gain for all the four channels, from +23
dB to +44 dB (3 dB steps).
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