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General| Brand | Lab.gruppen |
|---|---|
| Model | D Series |
| Category | Amplifier |
| Language | English |
Before using the device, be sure to carefully read the Safety Instructions.
This equipment conforms to the requirements of the EMC Directive 2014/30/EU...
Before using the device, be sure to carefully read the Safety Instructions.
Thank you for choosing the Lab.gruppen D Series for your sound reinforcement needs.
D Series is an advanced, high-power installation amplifier platform designed for demanding applications.
Features common to both D Series variants
This Operation Manual is intended to serve as a guide and reference to the operation and maintenance...
Carefully open the shipping carton and check for any damage to the device or the supplied accessories.
D Series is made for mounting in 19 inch racks.
D Series devices use a forced-air cooling system with airflow from front to rear...
D Series has a universal power supply and its mains nominal and operating voltages are specified...
Although the D Series has a wide range of operating mains voltage, some considerations can be applicable for low voltage regions.
D Series must be grounded (earthed) with the safety ground pin to the mains distribution system.
The front panel consists of an outer front with air intake and a centered user interface.
Amplifier Outputs – The amplifier output connectors are sturdy terminal block connectors.
The figure below depicts the audio signal flow for a D Series Lake device.
The following points in the signal flow can adjust level or mute the signal:
Provides status indication for a number functions affecting the amplifier frame
Provides load related status indication for monitoring functionality of LoadSmart and LoadPilot.
Selects mode and indicates control between computer software and unit.
A factory reset and soft reset can be performed from the front panel.
Amplifier Outputs – The amplifier outputs utilize mating Phoenix-type connectors.
Make sure that the Standby button on the unit's front panel is either unlit (OFF), or red (STANDBY)...
The standard form factor D Series units (D200, D120 and D80) uses Lab.gruppen's patented Class TD technology...
D Series models can deliver power as shown in Table 11.1 when all channels are driven equally.
Rational Power Management™™ (RPM) is a unique Lab.gruppen feature that allows for flexible allocation of power...
The D Series is equipped with a comprehensive set of protection circuits.
The ISVPL is a high quality voltage limiter that can deliver seamless limitation to any desired level.
The output Current Peak Limiter (CPL) ensures that the power output section will not be damaged by forcing it to deliver current levels...
The BEL models the temperature in the external breaker and limits the mains current to prevent the breaker from tripping.
The larger D Series devices (not D 20:4L and D 10:4L) are equipped with an under voltage limiter.
The Current Average Limiter (CAL) monitors the RMS current drawn from each power output channel...
If current draw from the unit's power supply is too high, the PSU's regulation capability may be exceeded...
D Series devices are equipped with a sophisticated temperature sensing system that provides protection from overheating...
A power supply (PSU) or DSP temperature warning or fault is indicated by the Temp LED.
The DC protection is implemented, individually, on each power output to prevent damage to connected loudspeakers...
The D Series includes protection circuits that detect Very High Frequency (VHF) content in the input signal.
A low impedance or short circuit at the power output terminals is detected when the output current is high...
The power supply is very advanced and has several internal control and monitoring functions.
D Series features a universal power supply with power factor correction (PFC).
The D Series models have been equipped with a Auto Power Down function.
LoadPilot is a feature in D Series amplifiers that can continually monitor the integrity of loudspeakers and cables...
Manual configuration can be used in special cases where proper functioning requires setting of custom measurement frequencies...
The LoadPilot feature constantly monitors the impedances at the two given pilot tone frequencies and compares to the measured thresholds.
D Series Lake devices include Dante and AES67 digital audio networking as standard.
When the device is in AES67 enable mode, the device is in 48 kHz only...
D Series Lake integrates seamlessly into the Lake Processing environment, providing all features, functionality...
A Frame represents one physical Lake Processor device (e.g. a D 200:4L).
In addition to the standard loudspeaker presets (Module files), the Lake Controller also includes a set of enhanced Module files...
The Lake Processing system within D Series Lake devices may be configured with up to four processing Modules...
Module, System and Sub-System Configuration files are stored on the Lake Controller PC...
Each frame has two network ports; a primary and a secondary.
The latest firmware for the product is included in the Lake controller installation.
This tutorial provides a step-by-step guide for configuration of a typical professional loudspeaker system...
Additional information regarding configuration of Lake Controller for specific loudspeaker systems is available in the Lake Controller Operation Manual...
Faults and warnings
Current draw and thermal dissipation
Maintenance
General
Max. Output Power (all ch.'s driven)
Amplifier platform
Audio Performance (Amplifier platform with digital input)
Lake processing
Dante Audio Network
Analog inputs
Rear panel interface
Power supply features
Dimensions
General
Technical assistance and service
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