LP4D12
Dolby
LP4D12
Dolby Lake LP4D12 Processor
This processor provides exclusive front-panel metering and control through Dolby's new Portal interface. Each of the four front-panel Portals can represent multiple channels of level and limiter metering. Portals also provide user-configurable text labels and mute controls.
Product Weight: 20 lbs
Dimensions: 19"W × 13.78"D x 3.44"H (2 RU)
Technical Tools
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Manufacturer Specs
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 or 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, unweighted
Back-Panel Interface
Analog I/O Connectors: XLR
AES/EBU I/O Connectors: DB-25, with selectable termination on pairs 1 and 2
S/PDIF I/O Connectors: Toslink™ optical
Word Clock Input: BNC with selectable termination
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, unweighted
Dynamic Range: 113 dB typical, 20 Hz to 20 kHz, unweighted
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, 0.00033% typical, 20 Hz to 20 kHz, unweighted at +21 dBu headroom setting
Dynamic Range: 116 dB typical, 20 Hz to 20 kHz, unweighted at +21 dBu headroom setting
Input Impedance: 20 kΩ balanced, 10 kΩ unbalanced
Maximum Input Level: +26 dBu
Input Sensitivity Settings for Digital Full-Scale: +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, unweighted
Power Requirements
100–240 VAC ±10%, 120 W maximum
Regulatory Notices
North America: complies with limits for a Class A digital device, per Part 15 of FCC rules, and Industry Canada ICES-003 specifications.
UL Listed for the US and Canada.
Europe: complies with requirements of Low Voltage Directory 73/23/EEC and EMC Directive 89/336/EEC.
Carries CE marking accordingly.
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 or 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, unweighted
Back-Panel Interface
Analog I/O Connectors: XLR
AES/EBU I/O Connectors: DB-25, with selectable termination on pairs 1 and 2
S/PDIF I/O Connectors: Toslink™ optical
Word Clock Input: BNC with selectable termination
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, unweighted
Dynamic Range: 113 dB typical, 20 Hz to 20 kHz, unweighted
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, 0.00033% typical, 20 Hz to 20 kHz, unweighted at +21 dBu headroom setting
Dynamic Range: 116 dB typical, 20 Hz to 20 kHz, unweighted at +21 dBu headroom setting
Input Impedance: 20 kΩ balanced, 10 kΩ unbalanced
Maximum Input Level: +26 dBu
Input Sensitivity Settings for Digital Full-Scale: +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, unweighted
Power Requirements
100–240 VAC ±10%, 120 W maximum
Regulatory Notices
North America: complies with limits for a Class A digital device, per Part 15 of FCC rules, and Industry Canada ICES-003 specifications.
UL Listed for the US and Canada.
Europe: complies with requirements of Low Voltage Directory 73/23/EEC and EMC Directive 89/336/EEC.
Carries CE marking accordingly.