Audio recording, Analog audio, Digital audio – Sound Devices PIX 250i User Manual
Page 81: File storage, Timecode and sync, Specifications

PIX 250i User Guide
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Specifications
Audio Recording
Record/Playback
• 16 channels record/playback, simultaneous with video
• Simultaneous Analog, HDMI or SDI, AES/EBU, selectable per channel
Analog Audio
Inputs
• 2 Balanced, line-level inputs on XLR.
Outputs
• 2 Balanced, line-level outputs on XLR
Frequency Response
10Hz-20kHz, +/- 0.5dB re 1kHz
THD + Noise
0.004% max (1kHz, 22Hz-22kHz)
Input and Output Topology
Fully electronically balanced, RF, ESD, short, and overload protected;
pin-2 hot, pin-3 cold
Line Output Clipping Level
+18dBu
Front Panel Headphone
1/4” with gain control
Line Input Clipping Level
+26dBu
Input Impedance
10k
Digital Audio
Sample Rate / Bit Depth
• 48 kHz
• 24-bit
AES3
• 8 channels in and out via DB-25, 110 ohm, 2 V p-p.
• Accepts 32k, 44.1k, 48k, 96k, 192k sample rates. with SRC at input.
HDMI
• 8 channels embedded HDMI input
• 8 channels embedded HDMI output.
• Accepts 32k, 44.1k, 48k, 96k, 192k sample rates.
SDI
• 16 channels embedded SDI input
• 16 channels embedded SDI output
• 48k sample rate, with sample rate conversion
File Storage
Disk Format
exFAT
PIX-CADDY 2 mounted drives
Two, front-mounted Sound Devices approved 2.5-inch drives
See Sound Devices’ website for a list of appr
Timecode and Sync
Modes Supported
Freerun, 24 Hour run, Record run, External (LTC or SDI/HDMI)
Frame Rates
23.976, 24, 25, 29.97DF, 29.97ND, 30DF, 30ND
Accuracy
• +/- 0.2ppm (½ frame per 24hrs) accuracy
• Holds accurate timecode for 4 hours after power is removed