M-audio Duo USB User Manual

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2What’s in the Box? . .

Double click on the Installer program. The Installer program installs all Duoextensions, and installs the ASIO driver in a folder named “Duo ASIO”onyo

speakers, or a headphone amplifier, or to the inputs of a mixing console. Again,check your device’s documentation for information on its operating lin

jacks. Check your source or target device’s documentation for more informationon its operating line level.Using the Mic InputsThe Duo gives you two co

Phantom PowerUnlike dynamic microphones, many "condenser microphones" need to receive aDC voltage (generally 48v) from an external source be

at either the Mic Inputs or the Line Inputs of the Duo. You will, however, not beable to hear the software outputs from your computer in this case, so

The USB Audio Configuration Manager, when it is first installed, defaults to the“ASIO/EASI” setting. If you are using an ASIO compliant progra

3. Power down the Duo, then power it back up. This will reinitialize the Duo.4. Go to Start | Settings | Control Panel | Multimedia, and set the playb

automatically during the normal installation procedure. The USB AudioConfiguration Manager defaults to ASIO/EASI operation, so there’s no need

To launch the ASIO or EASI control panel from the USB Configuration Manager:1. Double click the M-Audio logo in your Windows System Tray, located on

a selection. At the 24-Bit/Sample setting, both stereo input and output pairs arealso available. The maximum sample rate will still be 48000 Hz.With b

IntroductionCongratulations on your purchase of the Duo, designed and manufactured byM-Audio. The Duo is a complete USB audio solution for y

In the M-Audio USB ASIO Driver control panel, to the right of the Bitwidthsection, you will see a “Latency” drop-down list that will set the Duo’s buf

NOTE: When switching the Duo drivers from ASIO use to SoundManager use, after exiting the ASIO program it is necessary toreinitialize the Duo for use

With both stereo pairs enabled, i.e., Input 1&2 and Output 1&2, the Duo behavesas a “2x2” audio device at 16- or 24-bits, and at sample rates

In the Duo Settings control panel, below the Maximum Sample Rate readout, youwill see a drop-down list that will set the “Latency” that you will expe

performance. Drives with low seek times that run at a minimum of 7200RPM are best.• You can’t be too rich or have too much RAM. It’s a good idea to ha

Problem: I hear a ticking sound along with my audio. Possible Cause1: Use the Duo plugged directly into the computer’s USBport. On the other USB port,

Soundcards, Ethernet adapters embedded on the motherboard, or connected via USB,ISA, or PCI. How many PCI/ISAslots do you have and are you using any U

Limited Lifetime WarrantyMIDIMAN warrants that this product is free of defects in materials andworkmanship under normal use so long as the

Other aspects of the Duo, including use of the +4/-10 line level switches,phantom power, etc., are also covered in depth. Also, be sure an

Front Panel:1. Line Level Input Switch: This switch will set the input line level for the Duo.With the switch in the out position, the Duo will opera

Back Panel:1. 9V AC Power Jack: This power jack accepts a 9v AC 1 Amp 2.5mm powersupply. This power supply is included with your Duo, and ONLY the pr

Bottom of Unit:At the bottom of the unit are two DIP switches that will set the sampling ratewhile the Duo is used in standalone mode. The Duo can

The Duo can be used with the Sound Manager on the Macintosh, or with theWindows Sound System in Windows, and therefore can operate as your systemsound

6. You will then see Windows 2000 detect and automatically install the driver forthe USB Composite Device.7. Windows will detect and automatically ins

driver. Note: If the "USB Composite Device" has already been installed thenWindows will skip this step. This will occur if a USB