關於音訊大廠 RME Audio

以最低延遲，最快效能為宗旨， RME 開發了一系列因應音樂製作業界市場需求之獨有技術。拒絕在產品設計或製造的任何方面妥協，為 RME 帶來了卓越的品質、性能和享譽全球的製作人口碑信賴。

包括 MADI / Audio Core / Steady Clock等等先驅技術，協助製作人、玩家皆可以穩定、迅速地完成音樂製作工程上的需求。

24-Bit/192kHz 新世代數位多軌錄音介面

Fireface UFX III 能夠輕鬆處理高達94通道的I/O。其前所未有的靈活性、兼容性、DURec（直接USB錄音）的包含以及 RME 著名的低延遲傳輸和驅動設計，保證了在任何模式和應用中的順暢運作。

擁有專業功能，包括 SteadyClock FS，MADI I/O（64通道），強大的 DSP，USB 3.0（全 94 通道 I/O Class Compliant ready），TotalMix FX，直接 USB 錄音，以及支持高級遙控 USB（可單獨購買），Fireface UFX III 是專業人士進行多軌錄音、混音和母帶處理的首選工具。

Fireface UFX III 基於新開發的類比電路與數位處理器，提供直流耦合類比輸出以及 THD + N 值改善的新 AD 和 DA 轉換器，而 DSP 則通過更新的高科技組件實現了許多有趣的新功能。

TotalMix FX - 強大的音訊作業軟體

自 2001 年發布以來， Total Mix 不斷進化，現已成為使用 RME 硬體作業時不可或缺的軟體系統了，在其中，可以快速 Routing 、進行各種設置，無論是錄音室或現場演出，皆能勝任複雜的音訊配置與及時調整的工作。

DigiCheck - RME 獨家，量測高解析音訊的秘密武器

除了專業硬體以及製作軟體之外， RME 還提供了一個名為 Digicheck 的量測軟體，其中有各種 Meter / Analyzer 可以對音訊進行分析、觀察、量測，以確保各種聲音要求。

SteadyClock FS - Reference class Digital Clocking

在所有 Clock Mode 以及 High Quality Analog Conversion 間 Clocking ，確保訊號是幾乎同步、無延遲的。

詳細規格

類比

AD, Line In 1-8, rear

• Input: 6.3 mm TRS, electronically balanced
• Signal to Noise ratio (SNR) @ LoGain: 116 dB (AES17), 118 dBA
• Signal to Noise ratio (SNR) @ +4 dBu: 115 dB (AES17), 117 dBA
• Frequency response @ 44.1 kHz, -0.1 dB: 8.9 Hz – 20.4 kHz
• Frequency response @ 96 kHz, -0.5 dB: 4.3 Hz – 45.2 kHz
• Frequency response @ 192 kHz, -1 dB: 3 Hz – 89 kHz
• Filter: Short Delay Sharp, 5 / 5 / 6 samples delay
• THD @ -1 dBFS: < -120 dB, < 0.0001 %
• THD+N @ -1 dBFS: < -110 dB, < 0.00032 %
• Channel separation: > 110 dB
• Maximum input level: +19 dBu
• Input: 6.3 mm TRS jack, electronically balanced
• Input impedance @ 1 kHz: 10 kOhm unbalanced, 10.6 kOhm balanced
• Input sensitivity switchable between Lo Gain and +4 dBu
• Input level for 0 dBFS @ Lo Gain: +19 dBu
• Input level for 0 dBFS @ +4 dBu: +13 dBu
• Variable digital gain: 0 to +12 dB
• Minimum level for 0 dBFS: +1 dBu, -1.2 dBV

麥克風輸入 9-12 （前面板）
As AD, but:

• Input: XLR, electronically balanced
• Input impedance @ 1 kHz: 3.4 kOhm
• Signal to Noise ratio (SNR) @ 0 dB Gain: 117 dB (AES17), 119.5 dBA
• THD+N @ -1 dBFS, Gain 20 dB: < -110 dB, < 0.00032 %
• Frequency response @ 44.1 kHz, -0.1 dB: 10.7 Hz – 20.3 kHz
• Frequency response @ 96 kHz, -0.5 dB: 5.1 Hz – 45.0 kHz
• Frequency response @ 192 kHz, -1 dB: 3.5 Hz – 88 kHz
• EIN @ 60 dB Gain, 150 Ohm, A-Weighted: -129.8 dBu
• Gain range: 75 dB
• Maximum input level, Gain 0 dB: +18 dBu
• Maximum input level, Gain 75 dB: -57 dBu
• CLIP LED: 0 dBFS
• SIG LED: -60 dBFS

樂器輸入 9-12 （前面板）
As AD, but:

• Input: 6.3 mm TS jack, unbalanced
• Input impedance @ 1 kHz: 1 MOhm
• Signal to Noise ratio (SNR): 116 dB (AES17), 118.5 dBA
• Frequency response @ 44.1 kHz, -0.5 dB: 2.4 Hz – 20.0 kHz
• Frequency response @ 96 kHz, -1 dB: 1.6 Hz – 28 kHz
• Frequency response @ 192 kHz, -3 dB: 0.8 Hz – 54 kHz
• THD+N @ -1 dBFS, Gain 20 dB: < -107 dB, < 0.00045 %
• Gain range: 42 dB
• Maximum input level, Gain 8 dB: +21 dBu
• Maximum input level, Gain 50 dB: -21 dBu

DA, Line Out 3-8, rear

• Output: 6.3 mm TRS jack, servo-balanced
• Signal to Noise ratio (SNR) @ HiGain: 116.5 dB (AES17), 118.5 dBA
• Signal to Noise ratio (SNR) @ +4 dBu: 116 dB (AES17), 118 dBA
• Signal to Noise ratio (SNR) @ -10 dBV: 107 dB (AES17), 109 dBA
• Frequency response @ 44.1 kHz, -0.1 dB: 0 Hz – 20.2 kHz
• Frequency response @ 96 kHz, -0.5 dB: 0 Hz – 44.6 kHz
• Frequency response @ 192 kHz, -1 dB: 0 Hz – 77.5 kHz
• THD+N: < -110 dB, < 0.00032 %
• Channel separation: > 110 dB
• Output level switchable Hi Gain, +4 dBu, -10 dBV
• Output level at 0 dBFS @ Hi Gain: +19 dBu
• Output level at 0 dBFS @ +4 dBu: +13 dBu
• Output level at 0 dBFS @ -10 dBV: +2 dBV (+4.2 dBu)
• Output impedance: 75 Ohm

DA - Stereo Monitor Output XLR (1-2)
As DA, but:

• Output: XLR, balanced
• Output level switchable 24 dBu, Hi Gain, +4 dBu, -10 dBV
• Output level at 0 dBFS @ 24 dBu: +24 dBu
• Output level at 0 dBFS @ Hi Gain: +19 dBu
• Output level at 0 dBFS @ +4 dBu: +13 dBu
• Output level at 0 dBFS @ -10 dBV: +2 dBV (+4.2 dBu)
• Output impedance: 150 Ohm

DA - Stereo Monitor Output Phones (9-12)
As DA, but:

• Output: 2 x 6.3 mm TRS stereo jack, unbalanced
• Maximum output level at 0 dBFS, High: +19 dBu
• Maximum output level at 0 dBFS, Low: +2 dBV
• Max power per channel @ 32 Ohm load, 0.02% THD: 200 mW (2.5 Vrms, +10 dBu)
• Signal to Noise ratio (SNR) @ High: 116.5 dB (AES17), 118.5 dBA
• Signal to Noise ratio (SNR) @ Low: 115 dB (AES17), 117 dBA
• Output impedance: 2 Ohm

MIDI

• 2 x MIDI I/O via 5-pin DIN jacks
• Galvanically isolated by optocoupled input
• Hi-speed mode: Jitter and response time typically below 1 ms
• Separate 128 byte FIFOs for input and output

• 2 x MIDI I/O via MADI
• Invisible transmission via User bit of channel 56 (up to 48 kHz)
• Invisible transmission via User bit of channel 28 (up to 96 kHz)

數位

• Clocks: Internal, ADAT, AES, SPDIF, word clock
• Jitter suppression: > 50 dB (> 1 Hz)
• Effective clock jitter influence on AD and DA conversion: near zero
• PLL ensures zero dropout, even at more than 100 ns jitter
• Digital Bitclock PLL for trouble-free varispeed ADAT operation
• Supported sample rates: 28 kHz up to 200 kHz

數位輸入

MADI

• Optical via FDDI duplex SC connector
• 62.5/125 and 50/125 compatible
• Coaxial via BNC (Word Clock input), 75 Ohm
• High-sensitivity input stage (< 0.2 Vpp)
• Accepts 56 channel and 64 channel mode, plus 96k Frame
• Standard: up to 64 channels 24 bit 48 kHz
• S/MUX: up to 32 channels 24 bit 96 kHz
• S/MUX4: up to 16 channels 24 bit 192 kHz
• Lock range: 25 kHz – 54 kHz
• Jitter suppression: > 50 dB (> 1 Hz)

AES/EBU

• 1 x XLR, transformer-balanced, galvanically isolated, according to AES3-1992
• High-sensitivity input stage (< 0.3 Vpp)
• SPDIF compatible (IEC 60958)
• Accepts Consumer and Professional format
• Lock range: 27 kHz – 200 kHz
• Jitter suppression: > 50 dB (> 1 Hz)

ADAT Optical

• 2 x TOSLINK, format according to Alesis specification
• Standard: 2 x 8 channels 24 bit, up to 48 kHz
• Double Speed (S/MUX): 2 x 4 channels 24 bit 96 kHz
• Quad Speed (S/MUX4): 2 x 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 (> 1 Hz)

SPDIF optical (ADAT 2)

• 2 x optical, according to IEC 60958
• Accepts Consumer and Professional format
• Lock range: 27 kHz – 200 kHz
• Jitter suppression: > 50 dB (> 1 Hz)

Word Clock

• BNC
• Internal termination 75 Ohm switchable
• Automatic Double/Quad Speed detection and internal conversion to Single Speed
• SteadyClock guarantees super low jitter synchronization even in varispeed operation
• Not affected by DC-offsets within the network
• Signal Adaptation Circuit: signal refresh through auto-center and hysteresis
• Overvoltage protection
• Level range: 1.0 Vpp – 5.6 Vpp
• Lock Range: 27 kHz – 200 kHz
• Jitter suppression: > 50 dB (> 1 Hz)

數位輸出

MADI

• Optical via FDDI duplex SC connector
• 62.5/125 and 50/125 compatible
• Coaxial via BNC (Word Clock input), 75 Ohm
• High-sensitivity input stage (< 0.2 Vpp)
• Accepts 56 channel and 64 channel mode, plus 96k Frame
• Standard: up to 64 channels 24 bit 48 kHz
• S/MUX: up to 32 channels 24 bit 96 kHz
• S/MUX4: up to 16 channels 24 bit 192 kHz
• Lock range: 25 kHz – 54 kHz
• Jitter suppression: > 50 dB (> 1 Hz)

AES/EBU

• XLR, transformer-balanced, galvanically isolated, according to AES3-1992
• Output level Professional 4.5 Vpp, Consumer 2.6 Vpp
• Format Professional according to AES3-1992 Amendment 4
• Format Consumer (SPDIF) according to IEC 60958
• Single Wire mode, sample rate 28 kHz up to 200 kHz

ADAT

• 2 x TOSLINK, format according to Alesis specification
• Standard: 2 x 8 channels 24 bit, up to 48 kHz
• Double Speed (S/MUX): 2 x 4 channels 24 bit 96 kHz
• Quad Speed (S/MUX4): 2 x 2 channels 24 bit 192 kHz

SPDIF optical (ADAT 2)

• 2 x optical, according to IEC 60958
• Accepts Consumer and Professional format
• Lock range: 27 kHz – 200 kHz
• Jitter suppression: > 50 dB (> 1 Hz)

Word Clock

• BNC
• Max. output voltage: 5 Vpp
• Output voltage @ 75 Ohm termination: 4.0 Vpp
• Output impedance: 10 Ohm
• Frequency range: 27 kHz – 200 kHz

外觀等 General 參數

• Power supply: Internal switching PSU, 100 - 240 V AC, 36 Watts
• Idle power consumption: 19 Watts
• Typical power consumption: 22-25 Watts
• 長*寬*高：483*44*210 mm（含 Rack Ears）
• 長*寬*高：440*44*210 mm（不含 Rack Ears）
• Total depth: 240 mm (9.4”)
• 重量：3 kg
• Temperature range: +5° up to +50° Celsius (41° F up to 122°F)
• Relative humidity: < 75%, non condensing