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C3 Headphone Audio Processing Gadget
Preliminary User Guide
Thanks for purchasing the C3 Headphone 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 C3 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.
C3 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!
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The graphic below explains the processing functions.
The C3 Phase Rotator 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.
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Part Numbers:
North America 991035
Australia 991035A
Europe 991035E
United Kingdom 991035U
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 C3q Processing Gadget, pocket trimpot adjustment tool
That’s it. If you have any questions, give us a shout at:
Use your new gadget in good health!
Your friends @ Angry Audio
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