Specifications

Technical Specifications

Performance Specifications

Sync sources: Word Sync, AES

Word Sync In 1 BNC

AES Sync In 1 Lemo 3-pin (adapter to XLR female provided)

Internal Fs: 44.1, 48, 96 kHz +/-20ppm

Sample Rate Range (Fs)

Locking to External Source: 40,000Hz → 48,480Hz (in single speed mode)

80,000Hz 96,960Hz (in double speed mode)

Sync Outputs:

AES and Word Sync

Word Clock Out 1 BNC

AES Sync Out 1 Lemo 3-pin (adapter to XLR male available)

MADI

MADI input: 4 (BNC) 75ohms, 56 channel (with nominal Sample Rates ≥40kHz and

≤48.48kHz) Full 24-bit precision.

“MADI Input OK” LED per input port

MADI output: 4 (BNC) 75ohms, 56 channel (with nominal Sample Rates ≥40kHz and

≤48.48kHz) Full 24-bit precision.

Backplane 684-channel pipelined TDM bus (32-bit floating point audio data)

342 channels at 80kHz -> 96.96kHz operation

32-bit floating-point audio data format (converted to/from 24-bit

24-bit fixed point on MM641 Card)

DSP 40-bit floating-point internal computation

32-bit floating point maintained throughout all internal paths

7.5 GFLOPS Peak DSP horsepower per DF64 Frame

(using 9 SP661 Cards and 2 MM641 Cards)

29.8 GFLOPS Peak DSP horsepower per system

(4 DF64 frames)

Total Harmonic Distortion 0.005% or better, 20Hz ~ 20kHz, -18dBFS (through any audio path)

Audio Throughput Delay 44 Samples Typical (MADI In -> Channel -> Mix Bus -> Monitor Bus ->

MADI Out )

(0.92 msec @ Fs=48kHz, 0.46 msec @ Fs=96kHz

Delay remains constant with EQ/Filters/Dynamics In or Out

Additional user-adjustable delay per channel (up to 240 samples)

FireWire (IEEE1394)

2 ports on FC631 front panel.

Used for real-time system control and configuration

200Mbps max data rate