Angry a C4 Livestream Audio Processor User Guide

Angry a C4 Livestream Audio Processor

C4 Livestream Audio Processing Gadget

Preliminary User Guide
Thanks for purchasing the C4 Livestream Audio Processing Gadget. We are grateful! The user guide is in the queue and should be published in a few months. Meantime, here are some operating notes to help you enjoy your new gadget.

For safety and mounting information, please see the Failsafe Gadget user guide:
https://angryaudio.com/wp- content/uploads/2022/08/AA_FailsafeGadgetUserGuide_2208031.pdf

The C4 has an internal power supply, configured at the factory for either 115V or 230V. The captive power cable is fitted with the appropriate plug for the intended region. Do not attempt to modify the plug or the power supply. If your Gadget does not have the proper plug/voltage for your region, contact the factory to arrange a return/replacement.
C4 is equipped with both analog and digital audio inputs and outputs. Best performance will be achieved using the digital input and output (AES/EBU) on StudioHub+ RJ45 connectors. To select the DIGITAL IN as the audio source, flip DIPswitch B to the up position.
Analog inputs and outputs are presented on both XLR and StudioHub+ RJ45 connectors. A convenient ANALOG THRU is useful for daisy chaining the same source to multiple devices.
The Analog Output on the StudioHub+ RJ45 connector also provides ±15VDC to certain types of connected devices. It is possible for example, to feed power and processed audio over a single CAT5 cable from this output to an Angry Audio Headphone Gizmo.
The front panel controls are straightforward. The headphone amplifier with volume control has both 6.3mm and 3.5mm jacks. The jacks are mutually exclusive. Exercise caution with headphone volume! It is possible to cause permanent hearing damage with excessive volume!
The graphic below explains the processing functions.

Multifunction adjustment control
When loudness control mode is set to “off”, this control becomes an output level control.

• When in level control mode, The Audio Chameleon C4 sets output LUFS level to -10LUFS. In this setting, processing texture is more “dense”, comparable to broadcast radio. LUFS can be adjusted to desired target by reducing the output level without changing audio processing texture.

When loudness control is engaged, the multifunction control becomes the LUFS target.

• At 20 turns clockwise (maximum), LUFS target is -14 LUFS. At 20 turns Counter-clockwise,
  LUFS target is -24 LUFS. As LUFS target is reduced, so is audio density texture. The lower LUFS, the more
  “open” sounding the processing becomes. -24 LUFS is useful for more transparent “upstream” audio leveling applications

Activity LED’s
Amber LED = “Gain Lock” indication.

• Indicates processing is frozen (also called “gated”).
  Green LED = Actively processing Audio
  Red LED = Input is being overdriven (Input clipping indicator)

The C4 Precision Loudness Controller can be engaged or bypassed via the rear panel DIPswitch. Place DIPswitch A in the up position to engage the Loudness Controller. Disengage by placing DIPswitch A in the down position.

Part Numbers

• North America 991036
• Australia 991036A
• Europe 991036E
• United Kingdom 991036U

Specifications

• Analog Input Balanced +4dBu Stereo XLRF connectors
  Balanced +4dBu Stereo RJ45F connector (StudioHub+ pinout)

• Analog Through Parallel to Analog Input (StudioHub+)

• Analog Output Balanced +4dBu Stereo XLRM connectors
  Balanced +4dBu Stereo RJ45F connector (StudioHub+ includes ±15VDC)

• Digital Input Transformer isolated, AES/EBU, RJ45F connector (StudioHub+)
  ASRC, 44.1kHz to 48kHz sampling rate

• Digital Output Transformer isolated, AES/EBU, 48kHz S/R, RJ45F connector (StudioHub+)

• Power Input 115VAC 50/60Hz (North America Version)

• Power Input 230VAC 50/60Hz (Australia, Europe, United Kingdom Versions)

• Power Consumption 10VA

• Operating Temperature 0° to 40° C (32° to 104° F)

• Storage Temperature -20° to 45° C (-4° to 113° F)

• Relative Humidity 0% to 90% non-condensing

• Cooling Venting chassis (fanless)

• Product Dimensions 8.5 x 6.25 x 1.7 inches (21.6 x 16 x 4.32 cm)

• Product Weight 3.5 pounds (1.59 kg)

• Shipping Dimensions 12 x 9 x 6 inches (30.5 x 22.9 x 15.3 cm)

• Shipping Weight 5 pounds (2.27 kg)

• Included in the box C4 Processing Gadget, pocket trimpot adjustment tool

That’s it. If you have any questions, give us a shout at: answers@angryaudio.com
Use your new gadget in good health! Your friends @ Angry Audio

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