Clockaudio CUI-2 Manual
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Clockaudio CUI-2 Manual

Stereo microphone preamp and usb interface
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CLOCKAUDIO CUI-2
Stereo Microphone Preamp and USB Interface
Clockaudio Ltd.
Unit C, Wellington Gate, Silverthorne Way,
Waterlooville, Hampshire PO7 7XY, UK
Tel: +44(0)23 9225-1193
Fax: +44(0)23 9225 1201
Email: info@Clockaudio.co.uk
Clockaudio North America Inc.
2891 du Meunier, Unit 103, Vaudreuil-Dorion, QC,
Canada J7V 8P9
Toll Free: 1-888-424-9797
Tel: 450-424-9797
Fax: 450-424-3660
Email: info@clockaudio.com
Clockaudio PTE Ltd.
BizTech Centre, Unit # 01-02, 627A Aljunied Road,
Singapore, 389842
Tel: +65 67484738
Fax: +65 67484428
Email: info@clockaudio.com.sg
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  • Page 1 Unit C, Wellington Gate, Silverthorne Way, Waterlooville, Hampshire PO7 7XY, UK Tel: +44(0)23 9225-1193 Fax: +44(0)23 9225 1201 Email: info@Clockaudio.co.uk Clockaudio North America Inc. 2891 du Meunier, Unit 103, Vaudreuil-Dorion, QC, Canada J7V 8P9 Toll Free: 1-888-424-9797 Tel: 450-424-9797 Fax: 450-424-3660 Email: info@clockaudio.com...
  • Page 2 • Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat. • Only use attachments/accessories as specifi ed by Clockaudio. • Refer all servicing to qualifi ed service personnel. Servicing is required when...
  • Page 3 LIMITED ONE YEAR WARRANTY The equipment is warranted for one year from date of purchase from Clockaudio against defects in materials or workmanship. This warranty does not cover equipment which has been abused or damaged by careless handling or shipping.

  • Page 4: Table Of Contents

    CONTENTS GETTING STARTED FEATURE OVERVIEW IN THE BOX DIAGRAM OF FUNCTIONS APPLICATION EXAMPLES SETTING UP THE CUI-2 CONFIGURING THE CUI-2 COLOR OPTIONS TOUCH SWITCH PORT SETUP TS PORT OPTIONS LED BRIGHTNESS CONNECTING TO PC/MAC VIA USB MICROPHONE SETUP STEREO OR DUAL MONO MICROPHONES...

  • Page 5: Getting Started

    USB interface. The ultra-low noise preamp ensures that your audio is clear and intelligible. When used with a Clockaudio Touch Switch and microphone, the CUI-2 is a powerful tool for conferencing of all types. FEATURE OVERVIEW • 24-bit/48Khz high quality digital conversion •...

  • Page 6: Diagram Of Functions

    USB streaming port (Type B) for connection to Windows or Mac PC (Type A). Also powers the CUI-2. 4. 12VDC POWER INLET (OPTIONAL) Use with Clockaudio PSU 1205 (North America) or PSU 6 (Worldwide). MIC INPUT MIC INPUT Only required if running more than one Touch Switch.
  • Page 7 NEGATIVE (-) 1 2 3 4 5 6 7 8 9 10 CUI-2 TS PORT 12 VDC 5. LED BRIGHTNESS MIC INPUT Adjust the brightness of the Touch Switch LEDs 6. LED COLORS - MUTE COLOR SELECTION Confi gure the “mute” state color(s) of the Touch Switch LEDs MIC INPUTS 7.

  • Page 8: Application Examples

    APPLICATION EXAMPLES The CUI-2 is an ideal preamp and USB interface for home offi ce or small conferencing spaces. When used with Clockaudio microphones and Touch Switch units, the CUI-2 serves as an audio command center for video calls, voice conferences and group chats.

  • Page 9: Setting Up The Cui-2

    CONFIGURING THE CUI-2 Use the 10 dip switches on the front panel along with the LED BRIGHTNESS and GAIN knobs to confi gure the CUI-2 for each specifi c application. MUTE & UNMUTE COLORS The red, green and blue switches are provided to set the colors displayed on a Touch Switch when the microphone is muted or active.
  • Page 10 LED when the mic is active and a red LED when the microphone is muted. CUI-2 CONNECTIONS Connect a Clockaudio microphone, Touch Switch, and Windows or Mac PC in the manner shown below. In this example, we will use the C313-SR, SM20-RF & TS005...

  • Page 11: Touch Switch Port Setup

    The TS PORT allows users to connect a Touch Switch such as the TS 003 or TS 005 to the CUI-2 for microphone muting and unmuting. The fi rst 8 DIP SWITCHES and the LED BRIGHTNESS control will alter the functionality of the connected TS Switch.

  • Page 12: Led Brightness

    MIC INPUT MIC INPUTS • A green LED indicates the audio input is in an acceptable range. • A yellow LED indicates the audio is near clipping • A red LED indicates that the microphone audio is clipping or clipping is imminent.

  • Page 13: Connecting To Pc/Mac Via Usb

    CONNECTING TO PC/MAC VIA USB The CUI-2 is a plug and play USB interface. When connected to a PC or Mac computer, the CUI-2 will show up as CUI-2 USB Mic Preamp, a two-channel input device. Launch Windows Sound panel (on a Windows PC) or Sound from System Preferences (on a Mac computer) to verify the CUI-2 has installed properly.

  • Page 14: Microphone Setup

    MIC INPUT MIC INPUTS MICROPHONE SETUP The CUI-2 provides 2 channels of microphone amplifi cation and USB streaming to a connected PC or Mac computer. Connect microphone(s) to the CUI-2 with professional grade cabling. We recommend that the cable be shielded.

  • Page 15: Use The Vu Mode To Set Gain

    USE THE VU MODE TO SET GAIN If using a Clockaudio Touch Switch with the CUI-2, place the LED indicators in VU mode (see TS Port Setup section). In this mode, the LEDs will appear green when a signal is present, yellow when a signal is near clipping, and red when the signal is clipping.

  • Page 16: Microphone Placement

    Clockaudio microphone capsule toward you while rejecting keyboard noise. If you have a regular gooseneck without the knuckle-joint, try making an ‘’S’’ shape like the picture above to accomplish similar results.
  • Page 17 Optimal microphone placement is around 12-18 inches from your mouth. If you place the microphone further you will pick up more room refl ections, and room noise. Mics placed closer than 12 inches may distort. While there are amazing digital noise suppression features in your favorite conferencing software (Zoom, Teams, etc.) or third party noise suppression software (RTX Voice) to fi lter out noise digitally, the best results will be found by reducing your noise at the source with the help of optimized microphone...

  • Page 18: Demo/Diagnostic/Test Mode

    DEMO/DIAGNOSTIC/TEST MODE The DEMO mode on the CUI-2 is useful for troubleshooting or testing an installation. When the DEMO mode is active, the CUI-2 will: • Stream a 440Hz test tone to the USB input • Cycle through all the available color combinations on the Touch Switch (if installed).

  • Page 19: Mounting

    • Mount in a secure location that will not interfere with chairs or users. • Secure the CUI-2 to a flat surface with a No. 6 (included) screw through each mounting flange. See Mechanical Drawing Section for specific dimensions. FRONT COVER If desired, install the tamper resistant front cover after CUI-2 configuration and testing is completed.

  • Page 20: Specifications

    20Hz - 20kHz, +/- 1dB @ 40dB Gain GENERAL SPECIFCATIONS TS Control Device Input RJ45, interfaces with Clockaudio TS-C1 and Clockaudio Touch Switches Power Consumption (USB type B) Max Product Dimensions 5.07” x 3.35” x 1.44” Mounting Slot Mounting Dimension 4.625”...

  • Page 21: Mechanical Dimensions

    MECHANICAL DIMENSIONS 3.35” 3.35” 1.44” 1.44” 1.38” 1.38” 5.07” 5.07” MOUNTING 4.625” MOUNTING 4.625” 4.00” 4.00”...
  • Page 22 Unit C, Wellington Gate, Silverthorne Way, Waterlooville, Hampshire PO7 7XY, UK Tel: +44(0)23 9225-1193 Fax: +44(0)23 9225 1201 Email: info@Clockaudio.co.uk Clockaudio North America Inc. 2891 du Meunier, Unit 103, Vaudreuil-Dorion, QC, Canada J7V 8P9 Toll Free: 1-888-424-9797 Tel: 450-424-9797 Fax: 450-424-3660 Email: info@clockaudio.com...

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