---
title: "Specifications"
slug: "la-5291-specifications"
updated: 2024-11-04T13:53:54Z
published: 2024-11-04T13:53:54Z
canonical: "docs.telosalliance.com/la-5291-specifications"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.telosalliance.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Specifications

## Coding

### Decoding

- Decodes Dolby ED2 to PCM

### Transcoding

- Transcodes Dolby ED2 to Dolby Digital Plus JOC and Dolby E to Dolby Digital Plus

### Encoding

- Encodes PCM to Dolby Digital Plus and Dolby Atmos (via Dolby Digital Plus JOC)

## I/O

### SDI I/O

- 3Gb/s HD/SD-SDI input (SMPTE ST 425-1, 292M, and 259M), up to 1080p/60/59.94/50Hz
- Optional Quad-Link 3Gb/s SDI for 4K workflows (mutually exclusive with MADI option)

### AES-3 I/O

- Five stereo pairs via 75 Ohm BNC unbalanced female connectors, internally terminated; signal levels per SMPTE 276M/AES-3ID-2001

### AES67 I/O

- 16 channels of bi-directional AES67 I/O in support of SMPTE ST 2110-30 and -31 workflows

### MADI I/O

- Optional MADI I/O supports up to 16 channels for processing (mutually exclusive with Quad-Link SDI option)
- Passthrough and shuffling for up to 64 channels
- I/O via coax or optical SFP socket (SFP sold separately)

## Latency

- AES-3 input to AES-3 output with SRCs disabled: 30.5ms
- AES-3 input to AES-3 output with AES-3 input SRC enabled: 33.5ms
- SDI input to SDI output with SRCs disabled: 33.5ms
- SDI input to SDI output with SRCs enabled: 36.5ms
- AES67 input to AES67 output: 107ms (measurement made using Telos Alliance SDI xNode which has a latency value of 80ms)

## Reference

- 48kHz reference via SDI, PTP, AES-3, internal clock (standalone use only), or MADI (when MADI option is installed)
- Vref

## Sample Rate/Resolution/Frequency Response

- 48kHz, 24-bit, 20Hz – 20kHz

## Ethernet

- Two Gigabit RJ-45 connections – one for AES67, one for networked remote control

## Parallel GPI/O Control Port

- 15-pin female D connector, 0-5V TTL levels; 5 inputs, 5 outputs

## Front Panel Controls and Indicators

- 5-key navigation cluster
- Graphical color LCD display
- LED status indicators for each power supply, status, and reference

## Power

- Dual internal redundant auto-ranging power supplies, each rated at 100-264VAC, 50/60Hz, 100 Watts maximum

## Dimensions and Weight

- 19”W x 9”D x 1.75” H (approximately 48.2 x 22.0 x 4.5 cm)
- Net weight approximately 9.0 pounds (4.08kg)
- Shipping dimensions 22”W x 20”D x 7”H (approximately 55.6 x 50.8 x 17.8 cm)
- Shipping weight approximately 16 pounds (7.26kg)

## Environmental

- Operating temperature 0 to 50 degrees Celsius (32 to 122 degrees Fahrenheit)
- Non-operating temperature -20 to 70 degrees Celsius (-4 to 158 degrees Fahrenheit)

## Intended Location

- Telecommunications center or dedicated computer/machine room

## Regulatory

- North America – FCC and CE tested and compliant with UL-approved power supplies
- Europe – Complies with European Union Directive 2002/95/EC on the restriction of use of certain hazardous substances in electrical and electronic equipment (RoHS), as amended by Commission Decisions 2005/618/EC, 2005/717/EC, 2005/747/EC (RoHS directive), and WEEE

## Licensing

- The Linear Acoustic LA-5291 is manufactured under license from Dolby Laboratories. Dolby, Dolby Audio, and the double-D symbol are trademarks of Dolby Laboratories.

## Warranty

- Standard Telos Alliance 2-year limited parts and labor
- [https://www.telosalliance.com/warranty-information](https://www.telosalliance.com/warranty-information)