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4
ProMix-1 Installation and Operation Manual
OVERVIEW
PRODUCT OVERVIEW
The ProMix-1 is a single channel monaural remote/podcast audio interface ideally suited for
the typical remote or podcast mixing applications. Its features a microphone input utilizing
a high performance THAT Corporation microphone pre-amp IC, a headphone output with
pan capability between IFB/Cue (Return)audio and program channel audio. Additional fea-
tures include a program limiter, USB codec, remote on/off toggle control of Program audio,
along with a channel status output, and
full duplex “party-line” type talkback capability when attached to the optional ProMix
HUB-6 controller.
INSTALLATION
AUDIO CONNECTIONS
MICROPHONE INPUT JACK
The ProMix-1 is equipped with one microphone level input. The microphone input feature
a high performance THAT Corporation microphone pre-amp IC and an XLR jack.
Microphone should be a low-impedance professional unit with balanced output, dynamic
microphones are suggested. Powered condenser microphones can be used, although the
ProMix does not provide phantom power so an external supply is required. Connect the
microphone to the female XLR jack (1) on the rear of the unit. The XLR mic plug should
be wired as follows:
Pin 1: Ground/Shield
Pin 2: Hi (+)
Pin 3: Lo (-)
IFB/Cue (Return)LINE INPUT JACK
The ProMix-1 Cue/IFB audio source equipment can be either a stereo or monaural unbal-
anced operating at consumer (-10dBv) levels. It is connected via a 3.5mm TRS mini jack
labeled “IFB In” (2.). Balanced, professional (+4dBu) levels may be used by connecting to
pins 3 & 6 on the rear panel “Hub” RJ45 connector (5). The rear panel “IFB Level” control
(3) should be used to adjust the level to match the program audio feeding the headphones
IFB pan control and HdPh level control.
USB CONNECTION
The ProMix-1 includes a built-in USB professional audio codec (A/D and D/A) which
allows digital audio recording and playback on any computer that supports a USB audio
device (USB 1.1 or higher). Connect the supplied USB Type A/B cable from the USB jack
(4) on the rear panel of the ProMix-1 to the USB connector on the computer. The program
output feeds the input to the codec, while the codec output is mixed into the program out-
put. NOTE: Both the codec input and output are summed to monaural.
The computer should recognize the ProMix-1 codec as “USB Audio Codec”. No additional
software or drivers are needed. Sample rates of 32.0, 44.1, or 48.0 kHz can be used. Any
software that supports a USB sound device will work with the ProMix-1. Set audio record-
ing/editing software settings to select USB Audio Codec as its default.
IMPORTANT! WINDOWS* VOLUME SETTING:
Be sure to check the Windows
“SPEAKER VOLUME” setting. The Speaker Volume can be accessed via the Windows
Control Panel under “Sound and audio devices” or “Adjust the system volume”. Select
“Volume” or “Set system volume”, then adjust the slider.
The Speaker Volume should be
set to MAXIMUM.
WEBSITE:
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product updates and
additional information.
