New product

SKU: 78506
1 x Recorder
1 x Power supply
1 x Power cord 3 pins
2 x Media
1 x USB Cable

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The Sound Devices PIX 250i Video Recorder & Network Connected Video Deck is a file-based video recorder featuring 3G-SDI and HDMI video inputs and outputs. It records edit-ready Apple ProRes or Avid DNxHD files and allows sequential or simultaneous recording to two 2.5" Sound Devices-approved SSDs. Files can also be recorded, transferred, and accessed over Ethernet. A built-in scaler will let you perform up, down, and cross conversion, pulldown removal, and aspect ratio conversions between HD and SD.

The PIX 250i records Quicktime files in a variety of data rates, from Apple ProRes 4444 at 330 Mbps down to 36 Mbps proxy files. It supports eight channels of embedded audio over its HDMI input/output and 16 channels of embedded audio over its SDI input/output. For independent audio, two channels of analog audio in/out via balanced line-level XLR inputs and eight channels of AES/EBU digital audio is also available. For monitoring your footage, the PIX 250i features a 5" IPS display with 800x480 resolution.

Gigabit Ethernet network ports enable remote access to recorder files and the ability to transfer them quickly into your post-production environment. A built-in web server lets you control and setup the PIX 250i using any browser-capable device. You can also add external control devices using the RS-422 port or USB port. The PIX 250i is housed in a 1/2-rack 2U chassis and is powered by 10-27 VDC via a 4-pin XLR connector.

File-Based Recording

The PIX 250i records Quicktime files in edit-ready Apple ProRes or Avid DNxHD video formats. You can record in a variety of formats, from Apple ProRes 4444 (330 Mbps) down to 36 Mbps proxy files. For color-critical applications, recording to ProRes 4444 provides uncompressed alpha-channel transparency for superb chroma keying and color grading performance.

Extensive Video I/O

The SDI input accepts 12-bit 3G-SDI (4:4:4 RGB or YCbCr), HD-SDI, and SD-SDI. The HDMI input accepts HD and SD video. Recording to ProRes 4444 via 3G-SDI 4:4:4 input provides recordings that are perceptually indistinguishable from the original source material.

Dual 2.5" Drives with Simultaneous or Sequential Recording

The PIX 250i records and plays back Quicktime video to removable 2.5" solid-state drives (SSDs). Drives require Sound Devices' PIX-CADDY 2 in order to be used. Drives and PIX-CADDY 2 are sold separately.

You can set up the drives for sequential recording or for simultaneous recording for immediate file redundancy and backup.

PIXNET Network Control

Control the PIX 250i from any browser-capable computer or mobile device via its Gigabit Ethernet port. When connected to a data network, transport controls and setup menu controls are available on PIXNET. You can group any number of units together and control them as a single system from either the hardware or the web-based control panel. The PIX 250i and be grouped with other PIX 250i, 260i, and 270i recorders. Over Ethernet, all drives are accessible as network-attached SMB shares.

Remote Control

Record, play, stop, fast-forward, rewind ,shuttle, jog, and locate control are all available over RS-422 for remote control operation. Remote control is further enhanced by GPIO ports and standard USB keyboards. USB keyboards also offer menu navigation and text entry.

Playback Control

The PIX 250i offers a wide range of playback features. Playback control includes off-speed, forward, reverse, jog, shuttle, freeze-frame, looping, and custom playlists. File markers can be set either while recording or playing back with the press of a button. Loop playback offers continuously looped playback of whole files or between file markers. Playlists help organize multiple files for consecutive or loop playback.

IPS Preview Monitor

With a 5" IPS LCD monitor, the PIX 250i can be used accurate evaluate your video signals during recording and playback. Picture overlays includes audio metering, timecode, file type, record status, and frame rate information. The display also doubles as a fast, simple menu interface. Timecode and record status display can be over-layed on the SDI and HDMI outputs.

Drag and Drop Transfer

Drives connected to a PIX 250i are accessible on Ethernet-based networks as read and write SMB shares, for easy file sharing. Files can be copied to or from any PIX 250i located on a network, from access across a room, or across the globe. Drives can be automatically switched to Ethernet when they are full.

Timecode Generator with Genlock

The internal, high-accuracy Ambient timecode generator makes the PIX 250i at home on complex, multi-camera and sync-sound productions. All common timecode frame rates and modes are supported. Embedded timecode over SDI and HDMI is also supported.

Scaler and Frame Rate Converter

The PIX 250i features a hardware scaler and frame rate converter. Up/down/cross-conversion and pulldown removal give you the ability to record files in a user-requested rate, even rates not supported by the camera. The PIX 250i also supports aspect ratio conversion.

PowerSafe Technology

THe PIX 250i is equipped with Sound Devices' PowerSafe technology. PowerSafe circuitry has a built-in 10-second power reserve. In the event of power loss, the unit continues to operate for up to 10 seconds, then stops any file operation and shuts down. This ensures that a complete power loss has no effect on the recording. PowerSafe also provides two-second "power-on-to-recording" so the recorder is ready for operation at moment's notice.

Additional Features

- False color, Peaking, Zebra

- Hardware-based 3:2 pull-down removal

- 1/2-Rack, 2U chassis

in the box

- Power Supply

- 10-Pin Phoenix Screw Terminal Block

- 4 x Adhesive Rubber Feet

- Purchase Registration Card

- Powered by 10-27 VDC via a 4-pin XLR connector



SDI Input

1 x SD/HD/3G-SDI

4:4:4 or 4:2:2; 12, 10, or 8-bit

3G-SDI (levels A and B), HD-SDI, or SDI

SDI Output

1 x SD/HD/3G-SDI

4:4:4 or 4:2:2; 12, 10, or 8-bit

3G-SDI (levels A), HD-SDI, or SDI

SDI Standards

SMPTE 12M-1, 12M-2, 125M, 259M, 272M, 291M, 292, 296M, 299, 352M, 424, 425

HDMI Input

1 x HDMI 1.4a

4:4:4 or 4:2:2, RGB or YCbCr, 10 or 8-bit, HDCP-enabled

HDMI Output

1 x HDMI 1.3a

4:2:2 8-bit, RGB and YCbCr

Video Input Resolutions / Rates

480i 59.94 (NTSC)

576i50 (PAL)

720p 23.976/24/25/29.97/30 (SDI only)

720p 50/59.94/60

1080i 50/59.94/60

1080PsF 23.976/24/25/29.97/30

1080p 23.976/24/25/29.97/30

Video Codecs and Files

Apple ProRess 4444 12-bit

Apple ProRes 36, 100, 145, 220 MB/s, 8-bit and 10-bit

Avid DNxHD 36, 100, 145, 220 MB/s, 8-bit and 10-bit

Quicktime wrapper (.MOV)

exFAT file system

Up/Down/Cross Conversion

480i, 576i, 720p, 1080i, or 1080p to 480i, 576i, 720p, 1080i, 1080p, or anamorphic conversion

Frame Rate Conversion

24, 25, 30, 50, 60 to 24, 25, 30, 50, 60, 23.976, 29.97, 59.94 to 23.976, 29.97, 59.94, automatic 3:2 pull-down removal in 23.976 and 24 frame modes, other pull-down cadences include 2:2:2:4, 2:3:3:2, 3:2:3:2:2, and 2:2

Audio Recording

16 channels record/playback, simultaneous with video

Analog, HDMI / SDI, and AES3, selectable per channel



800 x 480 resolution

Flip-down for drive access

Analog Audio

2 x Balanced XLR, line-level inputs

2 x Balanced XLR, line-level outputs

10 Hz to 20 kHz, +/- 0.5 dB re 1 kHz

THD + Noise: 0.004% max (1 kHz, 22 Hz to 22 kHz)

Input and output topology: Fully electronically balanced, line-level, RF, ESD, short, and overload protected; pin-2 hot, pin-3 cold

Line output clipping level: +18 dBu

Output attenuation: 0 to 20 dB, 1 dB increments

Front-panel headphone, 1/4" with gain control

Digital Audio

AES/EBU: 8 channels in and out via DB-25, 110 ohm, 2 V p-p

HDMI: 8 channels embedded HDMI input, 8 channels embedded HDMI output; Accepts 32, 44.1, 48, 96, and 192 kHz sample rates

SDI: 16 Channels embedded SDI input and output

Sampling rate / bit depth: 48 kHz, 24-bit

Accepts 32, 44.1, 48, 96, and 192 kHz sample rates with SRC at input

File Storage

2 x front-mounted, Sound Devices approved 2.5" drives (via PIX-CADDY 2 drive mount) 

Ethernet file transfer via SMB/CIFS volume

Approved Media List:

2.5" Solid State Drives

·         Sound Devices PIX-SSD6

·         Intel 520 SSD / PIX-SSD5 ONLY when running Intel's updated firmware revision 401i. 240 GB and 480 GB capacities (note that this mechanism requires a PIX-SHIM2 for raw Intel 520 drives for proper fit in the PIX-CADDY)

·         Samsung 830 Series - the 256 GB model was offered as the Sound Devices PIX-SSD3

·         Corsair Force GT 240 GB (SATA 3)

·         SanDisk Extreme 240 GB (SATA 3)

·         SanDisk Extreme® II: 240 GB and 480 GB solid state drives

·         SanDisk Ultra® 240 GB drive - this was offered as the Sound Devices PIX-SSD2

·         SanDisk Ultra® solid state drives

·         OWC Mercury Extreme Pro 6G SSD: 240 GB and 480 GB

·         OWC Mercury Electra 3G SSD: 480 GB

·         OWC Mercury Electra 3G SSD: 240 GB firmware less than V5.02 (firmware 5.0.2 or later has compatibility issues and is not supported)

2.5" Mechanical Drives

Approved mechanical drives are recommended for use only in stationary applications. Excessive vibration or motion may cause data corruption.

·         New - HGST Travelstar 7K1000, 1TB, 2.5" mechanical drive

·         Hitachi 5K500B

·         Western Digital WD5000BPKT


Modes Supported: Freerun, Record run, External

Frame Rates: 23.976, 24, 25, 29.97DF, 29.97ND, 30DF, 30ND

Accuracy: +/- 0.2 ppm, holds accurate time code for two hours after power is removed

Inputs / Outputs: BNC(LTC input and output), SDI or HDMI

Sync Output

Analog bi-, tri-level sync / genlock

Wordclock (square wave, 48 kHz sampling rate, 3.3 vp-p, 75 ohm)

Sync Input

Analog bi-, tri-level sync / genlock

Wordclock (square wave, 48 kHz sampling rate, 3.3 vp-p, 75 ohm)


1 x RS422 Machine control (Sony 9-pin protocol)

1 x RJ-45, Ethernet Web-based control of settings and transport

1 x GPIO remote, Phoenix 10-pin


Front-panel USB host; keyboards without hubs acceptable

Operating Temperature

14 to 104°F (-10 to 40°C)


4-pin XLR, pin-1 (-) pin-4 (+)

10-27 VDC, 30 W

PowerSafe circuitry with 10 second power reserve with power removed

Dimensions (H x W x D)

3.3 x 8.6 x 10.3" (8.4 x 21.8 x 26.2 cm)


7.5 lb (3.4 kg)


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