Dolby Lake Processor Operating Specifications
Displays
Four daylight readable custom LCD Portal displays,
3 × 10 user configurable character displays per
Portal, 2 × 104 circular meter segments per Portal,
16 mute and soft function buttons per Portal, arrow
keys and ME button for Portal control and parameter
adjustment
Ethernet
Auto 10/100, Auto Uplink: 1 RJ-45
Mute Enable Button
Enables muting of outputs and inputs via Portal mute
buttons
Meter Button
Toggles through input and output m eter displays
Menu Button
Provides a menu driven interface for full-function
front-panel control

Audio Performance

Conversion Resolution
24-bit
Internal Sample Rate
96 kHz
Internal Data Path
32-bit floating point
System Propagation Delay
<2 ms from any input to any output (analog o r digital)
Maximum Available Delay
2 s from any input to any output

Sample Rate Converters

Operating Sample Rates
44.1 kHz, 48 kHz, 88.1 kHz, 96 kHz
Resolution
24-bit
THD + Noise
0.00003% typical, 20 Hz to 20 kHz , unweighted
Dynamic Range
140 dB typical, 20 Hz to 20 kHz, unweig hted

Back-Panel Interface

Analog I/O Connectors
XLR
AES/EBU I/O Connectors
DB-25, with selectable terminat ion on pairs 1 and 2
S/PDIF I/O Connectors
Toslink optical
Word Clock Input
BNC with selectable termina tion
Ethernet
Auto 10/100, Auto Uplink: 2 RJ-45, 1 EtherCon
Power
3-pin IEC, 2 fuses T 1.5A L, 5 × 20 mm

Digital-to-Analog Outputs

Frequency Response
+0/–0.1 dB, 3 Hz to 20 kHz
THD + Noise
0.00040% typical at 1 kHz
0.00056% typical, 20 Hz to 20 kHz, un weighted
Dynamic Range
113 dB typical, 20 Hz to 20 kHz, unweighte d
Output Impedance
50Ω
Maximum Output Level
+21 dBu
Crosstalk
–100 dB, 2 Hz to 40 kHz

Analog-to-Digital Inputs

Frequency Response
+0/–0.2 dB, 2 Hz to 20 kHz
THD + Noise
0.00022% typical at 1 kHz, 0.00 033% typical, 20 Hz
to 20 kHz, unweighted at +21 dBu headroom set ting
Dynamic Range
116 dB typical, 20 Hz to 20 kHz, unweighted a t
+21 dBu headroom setting
Input Impedance
20 kΩ balanced, 10 kΩ unbalanced
Maximum Input Level
+26 dBu
Input Sensitivity Settin gs for Digital Full-S cale
+10 dBu, +16 dBu, +21 dBu, +26 dBu
Common Mode Rejection
65 dB, 20 Hz to 20 kHz, 75 dB typical at 1 kHz,
70 dB typical at 20 kHz
Crosstalk
–100 dB, 2 Hz to 40 kHz

Combined A/D and D/A

THD + Noise
0.00050% typical at 1 kHz, 0.00063% typical,
20 Hz to 20 kHz, unweighted
Dynamic Range
113 dB typical, 20 Hz to 20 kHz, unweighte d

AES/EBU I/O and S/PDIF I/O

Supported Resolutions
Up to 24-bit
Supported Sample Rates
44.1 kHz, 48 kHz, 88.1 kHz, 96 kHz

Power Requirements

100–240 VAC ±10%, 120 W maximum

Dimensions and Weight

2-RU rackmount: 8.74 × 48.26 × 35 cm
(3.44 × 19 × 13.78 inches); net: 9 kg (20 lb)

Regulatory Notices

North America: complies with limits for a Class A
digital device, per Part 15 of FCC rules, and Industry
Canada ICES-003 specific ations. UL Listed f or the US
and Canada. Europe: complies with requirements of
Low Voltage Directory 73/23/EEC and EMC Directive
89/336/EEC. Carries CE marking accordingl y.

Warranty

One-year limited, part s and labor; see discla imer.
Specifications subject to chang e without notice.
Disclaimer of Warranties
Equipment manufacture d by Dolby Lab oratorie s is warrant ed
against defects in mater ials and wor kmanship for a p eriod of one
year from the date of purchase. There are no other express and
implied warranties and no warranty of merchantability or fitness
for a particular purpose, or of noninfringement of third-party rights
(including, but not limited t o, copyrigh t and patent ri ghts).
Limitation of Liability
It is understood and agreed that Dolby Laboratories’ liability,
whether in contract, in to rt, under a ny warrant y, in neglige nce, or
otherwise, shall not exceed the cost of repair or replacement of the
defective components or accused infringing devices, and under
no circumstances shall Dolb y Laborat ories be liab le for incident al,
special, direct, indirect, or consequential damages (including, but
not limited to, damage to sof tware or re corded audio or v isual
material), cost of defense , or loss of use , revenue, or p rofit, even
if Dolby Laboratories o r its agents h ave been adv ised, orall y or in
writing, of the possibility of such damages.
Dolby and the double-D symbol are registered trademarks of Dolby
Laboratories. All other trademarks remain the property of their re-
spective owners. © 2008 Dolby Laboratories, Inc. All rights reserved.
S08/16957/19498

Front-Panel Inter face

Dolby Laboratories, I nc. 100 Pot rero Avenue, S an Francisco, C A 94103-4813 T 415-558-0200 F 415-863-1373
233 Castlereagh Street , 16th Floor, Sydney, NS W 2000 A ustralia T 61-2-9101-7900 F 61-2-9101-7800 dolby.com/lives ound