Operation Manual

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4. R680i Trouble Shooting Guide4. R680i Trouble Shooting Guide4. R680i Trouble Shooting Guide4. R680i Trouble Shooting Guide
■ Phase shift control for channel pair CH5/6, fully
variable in between 0-180°
■ Uncompromising heatsink design, introducing a new
clamshell structure with temperature controlled
internal fan
■ CNC machined power input and speaker output blocks
■ Adjustable input sensitivity, fully variable from 0.2V
to 9V
■ Advanced protection circuitry, sensing overload, short-
circuits at the speaker outputs, DC voltage at the out-
puts and overheating of power electronics
4. R680i Trouble Shooting GuideTECHNICAL FEATURES
■ 6-Channel amplifier for a compact and user friendly
realization of a powerful and fully active car audio
system
■ Two independent MOSFET power supplies for high
power output and best stability into low impedance
loads
■ Versatile integrated electronic crossovers with filter
slopes of 12dB/octave. Independently selectable
operation modes: Highpass, bandpass and fullrange.
Fully variable crossover frequency ranges in between
10Hz - 400Hz for highpass, and 30Hz - 400Hz for
bandpass operation
R680A2 Manual_E+D.indd 18R680A2 Manual_E+D.indd 18 07.07.2004 12:36:44 Uhr07.07.2004 12:36:44 Uhr