Purebits X2 Manuale utente
USB AUDIO INTERFACE
OWNER'S MANUAL
Purebits
http://purebits. om
HARDWARE VR. 1.4
X2 Owner's Manual - Rev. 1.4 - page 1
Table of Contents
Pre autions and warnings............................................................. 2
Introdu tion................................................................................. 3
Key features................................................................................. 3
Produ t features........................................................................... 4
What's in the pa kage................................................................... 5
Installation................................................................................... 6
Generic Windows drivers................................................................ 6
ASIO drivers............................................................................... 10
Controls and Indi ators............................................................... 10
Front Panel................................................................................. 10
Rear Panel.................................................................................. 11
Using the X2................................................................................ 11
Pla ing...................................................................................... 11
Recording................................................................................... 16
CE De laration of Conformity....................................................... 17
END USER WARRANTY................................................................. 17
Pre autions and warnings
Please read carefull this manual before operating the unit!
This devi e uses low voltage (5V) power supply from the omputer USB port.
It must be used only on a CE ompliant personal omputer.
All registered trademarks and brand names used in this document are the registered
property of their respective owners.
X2 Owner's Manual - Rev. 1.4 - page 2
Introdu tion
X2 is an USB soundcard providing stereo analog input/output. It has been designed
and manufactured for acoustics measurement and Live Recordings purposes, but can
be used also for general tasks.
X2 is completel plug&pla in PC, Mac and Linux/Unix environments, does not require
an external power suppl and is enclosed in a robust and light-weight aluminum
case.
Key features
Full Compliant with USB 1.1
Bus powered (does not require an external power suppl )
16-bit Delta-Sigma ADC and DAC
Sampling Rate:
- DAC: 32, 44.1, 48 kHz
- ADC: 8, 11.025, 16, 22.05, 32, 44.1, 48 kHz
Uses onl Burr-Brown Codec and Operational Amplifiers in the audio signal path.
For more information about specifications and performance see the Burr-Brown (Texas
Instruments) website http://www.ti.com and search for PCM2906 (codec) and
OPA2353 (Opamp).
Available in 2 color options:
Black anodized aluminum enclosure Natural anodized aluminum enclosure
X2 Owner's Manual - Rev. 1.4 - page 3
Produ t features
2 channel IN / 2 channel OUT USB soundcard (16 bit, up to 48 kHz (*) sample
rate), compatible with all Windows versions (no driver required), Linux and Macintosh.
High accurac A/D and D/A converters from Burr-Brown:
(*) The soundcard can operate also at a sample frequency of 9 kHz, but the audio bandwidth
is limited to 22 kHz.
No external power suppl required. Powered from USB port.
Ver robust anodized aluminum enclosure.
Compact size: 54 x 23 x 80 mm
2 color options: Anodized black or anodized natural
Input and output stages based on state of the art Burr-Brown operational amplifiers
USB soundcard Stereo JACK Input connector. Fixed input gain.
USB soundcard Stereo JACK Output. It can drive Line/headphone loads.
Phantom power optimized for Panasonic WM6x series electret microphonic capsules
(3,6 V). Alwa s enabled.
X2 power consumption is 0.325 W
X2 Owner's Manual - Rev. 1.4 - page 4
What's in the pa kage
X2 audio device
USB cable
Two stereo Jack to 2 RCA converters
One stereo RCA-RCA cable
X2 Owner's Manual - Rev. 1.4 - page 5
Installation
Generic Windows drivers
The X2 device does not require an additional driver to operate.
Locate an USB port of our computer and onne t, with the cable provided in the
package, the X2 devi e. The blu led in the front panel of the X2 will light. The first
installation from this point depends from our operating s stem.
Windows XP and 2000
After the X2 connection the s stem will displa the message “Found new Hardware”
and will install automaticall the required drivers.
After this step, the X2 will be read to use.
Windows Millenium
After the X2 connection the s stem will displa the message “Add new Hardware
Wizard”. Follow the instructions and enable (if asked) the option “Search for the best
driver”. After completing this procedure, the X2 will be read to use.
Windows 98 SE
After the X2 connection, the s stem will displa the message “Add new Hardware
Wizard”, that will refer to an USB Composite Device (the displa ed name could be
different depending on the local and language version of the operating s stem).
X2 Owner's Manual - Rev. 1.4 - page 6
Click Next and the following window will appear:
Select the “Search for the best driver” option and click Next.
The following window will appear:
X2 Owner's Manual - Rev. 1.4 - page 7
Now the standard USB Audio windows driver must be installed:
1- Tr deselecting all options and click Next.
If no suitable drivers are found, repeat this step:
2a- Insert our Windows 98 CDROM, select the CD-ROM option and click Next.
2b- Alternativel (if our Windows 98 installation files are on the hard disk) use the
“Specif a location” option, Browse for the Windows 98 cabs files (usuall the are in
C:\Windows\Options\Cabs location) and click Next.
After this operation, a new window will appear, informing that Windows is read to
install the best driver for this device.
The message will inform: Location of the driver C:\WINDOWS\INF\USB.INF (this
may vary depending on your Windows installation folder).
Click Next and the last screen will inform that Windows has finished installing the
software and an USB Composite Device is installed. Click Finish.
After this operation another “Add new Hardware Wizard” will be displa ed. Follow
exactl the same procedure described above and install the USB Human Interfa e.
The final dialog will give ou the information:
Location of the driver C:\WINDOWS\INF\HIDDEV.INF
After this installation, the last “Add new Hardware Wizard” will be displa ed. Follow
again the same procedure to install the USB Audio Devi e.
The final dialog will inform:
Location of the driver C:\WINDOWS\INF\WDMA_USB.INF (this may be different
depending on many factors)
Now the X2 is operative, and can be disconnected and reconnected to the pc at an
time without additional installation requirements.
The driver installed are the standard MME and/or the WDM drivers (backward
compatible with the MME drivers).
Verif ing the correct installation
In Windows XP and Windows 2000, right-click the My Computer icon on the
desktop, click Properties and S stem Properties, then the Device Manager button.
In Windows 98 SE and Windows Millenium, right-click the My Computer icon on
the desktop, click Properties and, in the S stem Properties screen, the Device
Manager tab.
If the X2 is installed correctl , 3 new devices should be listed:
X2 Owner's Manual - Rev. 1.4 - page 8
USB Audio Devi e in the Sound, video and game ontrollers section:
Composite USB Devi e in the USB Controller (Universal Serial Bus) section:
USB Human Interfa e Devi e in the Human Interfa e Devi es section:
X2 Owner's Manual - Rev. 1.4 - page 9
ASIO drivers
The X2 sound card is compatible with ASIO drivers. To use the X2 with ASIO, a
generic ASIO driver can be used. There are some freeware ASIO drivers on internet.
We suggest ASIO4ALL b Michael Tippach, that can be downloaded from here:
http://www.asio4all.com/
Another free generic ASIO driver is ASIO2KS, b Tobias Erichsen.
It can be downloaded from http://www.asio2ks.de/
Please refer to the respective webpages for instructions about the use of these
drivers.
ASIO is a trademark of Steinberg Media Technologies GmbH
Controls and Indi ators
Front Panel
[1] Stereo IN
- Stereo input of the soundcard
- The gain of the input be adjusted b means of the Windows mixer (see below)
- The phantom power suppl (3.6 V) is alwa s enabled. The voltage is obtained from
an 8.2KOhm resistor connected to a ver clean source. This voltage is suitable for
most microphone electret capsules such as the Panasonic WM61 series.
[2] Power suppl led
- It lights when the device is connected to the computer usb port.
[3] Stereo OUT
- Stereo output of the Soundcard.
- It can drive an Headphone.
X2 Owner's Manual - Rev. 1.4 - page 10
Indice
