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RME Audio Fireface UCX II Manual
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RME Audio Fireface UCX II Manual

RME Audio Fireface UCX II Manual

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Fireface UCX II
The most powerful USB audio interface ever!
™
TotalMix FX
24 Bit / 192 kHz
™
™
SteadyClock
SyncCheck
FS
USB 2.0 Digital I/O System
8 Channel Analog Interface
2 + 2 Channel AES / SPDIF Interface
8 Channel ADAT Interface
24 Bit / 192 kHz Digital Audio
40 x 20 Matrix Router
MIDI Input / Output
Full Stand-Alone Operation
Direct USB Recording
Class Compliant Operation

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Summary of Contents for RME Audio Fireface UCX II

  • Page 1 Fireface UCX II The most powerful USB audio interface ever! ™ TotalMix FX 24 Bit / 192 kHz ™ ™ SteadyClock SyncCheck USB 2.0 Digital I/O System 8 Channel Analog Interface 2 + 2 Channel AES / SPDIF Interface 8 Channel ADAT Interface...
  • Page 2 (see warranty statement on page 82). Proper Use The Fireface UCX II is a digital interface for professional audio applications for use with CE ap- proved class B computers. To comply with the European CE standard, the Fireface UCX II must be used with CE approved Class B computers.
  • Page 3 Fireface UCX II Technical Reference User's Guide Fireface UCX II © RME...
  • Page 4  Channel separation: > 110 dB  Maximum output level: +19 dBu  Output: 6.3 mm TRS jack, servo-balanced  Output impedance: 75 Ohm  Output level switchable +19 dBu, +13 dBu, +4 dBu User's Guide Fireface UCX II © RME...
  • Page 5  Quad Speed (S/MUX4): 2 channels 24 bit 192 kHz  Bitclock PLL ensures perfect synchronisation even in varispeed operation  Lock range: 31.5 kHz – 50 kHz  Jitter suppression: > 50 dB (2.4 kHz) User's Guide Fireface UCX II © RME...
  • Page 6  Dimensions without rack ears, body depth (WxHxD): 215 x 44 x 130 mm (8.5" x 1.73" x 5.1")  Weight: 910 g ( 2.0 lbs)  Temperature range: +5° up to +50° Celsius (41° F up to 122°F)  Relative humidity: < 75%, non condensing User's Guide Fireface UCX II © RME...

  • Page 7: Technical Background

    PLL tracks the receiver's frequency. If an ADAT or SPDIF signal is applied to the Fireface UCX II, the corresponding input field starts flashing. The unit indicates LOCK, i. e. a valid input signal (in case the signal is also in sync, the filed is constantly lit, see below).
  • Page 8 RME's Zero Latency Monitoring. The term describes the digital path of the audio data from the input of the interface to its output. The digital receiver of the Fireface UCX II can't oper- ate un-buffered, and together with TotalMix and the output via the transmitter, it causes a typical delay of 3 samples.
  • Page 9 An additional small safety buffer on the playback side has proven to be very efficient and useful. It is therefore implemented in all RME interfaces. Under Windows the Fireface UCX II uses a fixed additional buffer of 32 samples, under Mac 24 samples, which is added to the current buff- er size.
  • Page 10 Because the ADAT interface does not allow for sampling frequencies above 48 kHz (a limitation of the interface hardware), the Fireface UCX II automatically uses Sample Multiplexing in DS mode. One channel's data is distributed to two channels. As the transmission of double rate signals is done at standard sample rate (Single Speed), the ADAT outputs still deliver a 44.1 kHz...
  • Page 11 40.6 Noise level in DS / QS Mode The outstanding signal to noise ratio of the Fireface UCX II AD-converters can be verified even without expensive test equipment, by using record level meters of various software. But when activating the DS and QS mode, the displayed noise level will rise from -113 dB to -105 dB at 96 kHz, and –79 dB at 192 kHz.
  • Page 12 41. Diagrams 41.1 Block Diagram Fireface UCX II User's Guide Fireface UCX II © RME...
  • Page 13 AES Out - SPDIF In + SPDIF Out - AES In - Note: The digital breakout cable BO968 is also used on the HDSP9632, HDSPe AIO, HDSPe AIO Pro and the ADI-2 Pro versions. User's Guide Fireface UCX II © RME...

  • Page 14: Note On Disposal

    For this the device has to be sent free to the door to: IMM electronics GmbH Leipziger Straße 32 D-09648 Mittweida Germany Shipments not prepaid will be rejected and returned on the original sender's costs. User's Guide Fireface UCX II © RME...

  • Page 15: Ce / Fcc Compliance

    Synthax United States, 6600 NW 16th Street, Suite 10, Ft Lauderdale, FL 33313 T.:754.206.4220 Trade Name: RME, Model Number: Fireface UCX II This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.