Creative Emu 0204 Manual

Technical Specifications
0204 USB Owner’s Manual21
TECHNICAL SPECIFICATIONS
General
• Sample Rates: 44.1, 48, 88.2, 96, 176.4, 192kHz from internal crystal with no 
sample rate conversion *
• Bit Depth: 24-bit I/O, 32-bit processing
• USB 2.0 Hi-Speed
• Full 24-bit resolution at all sample rates
• 2 in/4 out channels 
• Zero-latency direct hardware monitoring 
(Direct monitor on channels 1/2 only at 176.4/192kHz sample rates)
• Windows drivers: ASIO2 and WDM
• Macintosh driver: Apple CoreAudio
• Anti-Pop...

Technical Specifications
22E-MU Systems
Headphone Amplifier
• Type: Class-A power amplifier
• D/A converter: AK4396 
• Gain Range: 60dB
• Maximum Output Power: 16mW
• Output impedance: 22ohms
• Frequency Response (20Hz-20kHz): +0.02/-0.08dB
• Dynamic Range (A-weighted): 117dB
• Signal-to-Noise Ratio (A-weighted): 117dB
• THD+N (1kHz, max gain): 300ohm load: -101.9dB (.0008%)
• Stereo Crosstalk (1kHz at -1dBFS, 300 ohm load): -107dB
Synchronization
• Internal crystal sync at 44.1, 48, 88.2, 96, 176.4,...

Adapter Cables
0204 USB Owner’s Manual23
ADAPTER CABLES
1/8” Headphone to 1/4” Headphone Adapter
TIP
RING
Stereo Headphone to 2 x 1/4” Jack Splitter Cable
This type of adapter allows you to use the Headphone jack as another pair of line outputs. 
The tip and ring of the headphone plug are split off into separate outputs. 

Declaration of Conformity
24E-MU Systems
DECLARATION OF CONFORMITY
Trade Name:E-MU Systems
Model No.:EM8740A
Responsible Party:E-MU Systems
Address:1500 Green Hills Road
Scotts Valley, CA 95066 U.S.A.
This device complies with Part 15 of the FCC rules. Operation is subject to the 
following two conditions: (1) This device may not cause harmful interference, and 
(2) this device must accept any interference received, including interference that 
may cause undesired operation.
CAUTION
You are cautioned...

Declaration of Conformity
0204 USB Owner’s Manual25
Compliance Information
United States Compliance Information
FCC Part 15 Subpart B Class B using:
CISPR 22 (1997) Class B
ANSI C63.4 (2003) method
FCC Site No. 958979
Canada Compliance Information
ICES-0003 Class B using:
CISPR 22 (1997) Class B
ANSI C63.4 (2003) method
Industry of Canada File No. IC 5933
European Union Compliance Information
EN55024 (1998 w/A1:01 & A2:03)
EN55022 (1998) Class B
Australia/New Zealand Compliance Information
AS/NZS CISPR...

0204 Block Diagram
26E-MU Systems
0204 BLOCK DIAGRAM
12
1
1
2
3
43/4 not available at 176k/192k sample rates
(channel
1/2 or 3/4)(chan.1)
(chan.2) 2 3
Mic InGainMeter
Bal/Unbal
Line/Instr In
Bal/Unbal
Line/Instr InGround
Lift
Ground
Lift
USB
Playback
(computer)Mono/
Stereo/
Off
Direct
Monitor
Level
Headphone
SourceHeadphone
Volume
Meter
RIGHT LEFT
MAIN L
MAIN R
Phones
Out
Gain
DACDACDAC
USB
Record
(computer)
0204 USB BLOCK DIAGRAM
ADC
ADC
DAC
(Select from E-MU
USB Control Panel)
5V
Electret
Mic In 

Index
0204 USB 2.0 Owner’s Manual27
INDEX
A
Acoustica Mixcraft LE 4
  18
Adapter Cables
  23
ASIO Buffer Size
  19
B
Block Diagram
  26
C
Clip Indicators
  13
Computer Requirements
  7
Connection Diagram
  12,  14
Control Panel
  15,  16
D
Device Select, E-Control
  15
Direct Monitor Controls
  13
Direct Monitoring
  17
Direct Monitoring vs Software Monitoring
  17
E
E-Control Application
  15
G
Gain Controls
  13
Ground Lift Switches
  14,  19
Ground Loops
  19
H
Headphone Level Control
  13
Headphone...

Index
28E-MU Systems