Coda C3 Uživatelská příručka

1 Coda Audio C3 DSP amplifier User Guide version 1

10 Using unbalanced connections When connecting the C3 amplifier to an unbalanced audio source, the signal conductor should be terminated to XLR pi

11 More than one speaker can be connected to each channel provided the total impedance per channel is not less than 2 ohms. In bridged mode the mi

12 Front Panel Power Switch The C3 amplifier is fitted one dual channel power module. When the power switch is operated, the protect indicator wil

13 Protect The C3 DSP amplifier system has sophisticated protection and monitoring systems which keep the amplifier within its safe operating windo

14 Rear Panel Power Inlet The C3 amplifier should be connected to a suitable mains electricity supply using the cable supplied. The unit uses auto

15 Or alternatively, if you want to have one cable feeding two speakers, use Speakon 1 pins 1+ and 1- for the first speaker, and pins 2+ and 2- for

16 Cat5 cable. If you are using USB to connect to the C-Net Interface, then the Interface will usually power itself via USB. However, if you are us

17 This section of the user guide explains the functions of the C-Net control panel for the C3 DSP amplifiers. For further help and information on

18 Factory settings determined entirely by the Factory preset file from Coda Audio (called “Factory voice”) – see Loading Factory Presets, or

19 Adjust the routing from inputs to outputs (allowing you for example to feed two outputs from one input). Regardless of hiding, you will always

2 Important Safety Information Please read carefully and keep the following instructions and safety information. Heed all warnings and follow all

20 The Power button allows the amplifier to be put into power saving mode when it is not being used. The associated Auto Power Save Time control

21 Loading Factory Presets Coda Audio will provide you with one or more „preset library‟ files which contain settings for specific loudspeakers. Th

22 Keyboard Shortcuts C-Net supports the following „shortcuts‟: Tab Move to next control In value boxes: CTL+C Copy CTL+V Paste CTL+X Cut CT

23 12dB/Octave Linkwitz-Riley 18dB/Octave Bessel 18dB/Octave Butterworth 24dB/Octave Bessel 24dB/Octave Butterworth 24dB/Octave Linkwitz-Riley A 2n

24 Bridge Mode When the amplifier is set to Bridge Mode, it uses two amplifier channels to drive one loudspeaker with greater power. In this mode,

25 EQ and Filter Response Graphs The following plots show the attenuation characteristics of the various crossover filters available within the C3

26 100 1 1031 104363024181260612dB/Oct24dB/OctBesselFrequency, HzMagnitude, dB100 1 1031 10436302418126064th Order8th OrderHardmanFrequency, HzMagn

27 The following plots show the magnitude response (frequency response) characteristics of the various equalization filters available within the C

28 Signal Processing Block Diagram Please note that each C3 contains one of these processing blocks.

29 Technical Specifications AUDIO Input impedance 10k balanced Max Input level +20dBu Frequency Response 20Hz - 20kHz+/-0.5dB @ 4 O

3 Table of Contents Important Safety Information ...

30 POWER SUPPLIES Type High current, high freq. switch-mode Number One / Two, fully independent Efficiency >90% typical Input volt

31 This product complies with the EMC & LVD directives as issued by the Commission of the European Community. Compliance with these directives

4 EQ and Filter Response Graphs ... 25 Signal Processin

5 Thanks and Unpacking Thank you for choosing a Coda Audio C3 DSP amplifier system for your application. Please spare a little time to study the c

6 Mechanical Installation The C3 DSP amplifier system is designed to be mounted in a standard 19” rack enclosure.

7 Where the amplifier is used in a fixed installation, it is possible to use only the front panel 19” rack mounting holes to mount it in a standard

8 AC Power Connection WARNING! THIS APPLIANCE MUST BE GROUNDED. The amplifier must always be connected using a 3-wire, grounded AC supply. The fram

9 Audio Connections For each amplifier channel there are female and male XLR input connectors which are wired in parallel. Typically the female con