Related Manuals for THEORY DLC-250.4d
Summary of Contents for THEORY DLC-250.4d
- Page 1 DLC-250.4d LOUDSPEAKER CONTROLLER DLC-250.4d AMPLIFIED LOUDSPEAKER CONTROLLER INSTALLATION AND PROGRAMMING GUIDE Rev A 250103...
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Page 2: Technical Notices
DLC-250.4d LOUDSPEAKER CONTROLLER Technical and Safety Notices Safety and Environmental Notices Please read the following important technical, safety and environmental notices before installing and using your amplifier. Note: The intent of the lightning flash with arrowhead symbol in a triangle is Technical Notices to alert the user to the presence of uninsulated “dangerous”... -
Page 3: Important Safety Instructions
DLC-250.4d LOUDSPEAKER CONTROLLER Technical and Safety Notices Important Safety Instructions Environmental Statement Read these instructions. This product complies with international directives, including but not Keep these instructions. limited to the Restriction of Hazardous Substances (RoHS) in electrical 3. Heed all warnings. -
Page 4: Introduction And Overview
Introduction and Overview 1. Introduction 2. Amplifier Overview THEORY DLC amplifiers are half rack width, 1U format power amplifiers THEORY DLC power amplifiers have been designed to provide that can drive both conventional low impedance (Lo-Z, 4-ohms to 16-ohms) configurable, consistent and reliable high performance audio... -
Page 5: Carton Contents
THEORY DLC amplifiers are compatible with Audinate Dante ® Audio Over THEORY DLC amplifiers are shipped in a cardboard carton containing the IP (AoIP) networks and installations. amplifier unit, a mains cable appropriate for the sales territory, an accessory pack, and a document pack. The full contents is listed below. - Page 6 DLC-250.4d LOUDSPEAKER CONTROLLER Overview Diagram 2 THEORY DLC four channel amplifier dimensions. (Shaded area defines ventilation space.) 44 mm 80 mm 1.7 in 3.1 in 25 mm 319 mm 1.0 in 12.6 in 220 mm 8.7 in Diagram 4b Diagram 4a...
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Page 7: Installation
Sections 4.2 to 4.3 and rear support hardware in Section 4. 1 are not supplied space for airflow behind the amplifier rear panel. In addition to rack mount with THEORY DLC amplifiers but are available to purchase as an accessory. ears, optional rack mount rear support hardware is available and can be Contact your amplifier re-seller for more information. -
Page 8: Free-Standing
4.2 Free-standing Adhesive Foot 4 positions If not installed in an equipment rack, THEORY DLC amplifiers can be placed free-standing on a flat surface. Adhesive rubber feet are supplied for this purpose. THEORY DLC amplifiers can also be attached to the underside of desks or wall mounted using connecting plate hardware (optional accessory, not included). - Page 9 3. Open a computer or mobile device web browser and enter the IP 5.1 Mains Power Connection address: 192. 1 68.4. 1 . The THEORY DLC Control Web App interface will THEORY DLC amplifiers incorporate a power factor corrected power open to enable amplifier configuration as required.
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Page 10: Configuration Menus
Input Tab. Diagram 5b, 5c, 5d and 5E illustrates the Input Tab. Dante Input Tab, Input EQ and Input Mix Opening a web browser that is network connected to a THEORY DLC displays respectively. - Page 11 DLC-250.4d LOUDSPEAKER CONTROLLER Configuration Select Dante input Adjust gain/trim Select EDIT to apply required EQ Select zone Zone name - type to edit Adjust zone volume Diagram 5d Diagram 5c Input EQ display Dante ® Input display 5.3.2 Zone Tab...
- Page 12 DLC-250.4d LOUDSPEAKER CONTROLLER Configuration Select mic function Select zone Zone name - type to edit Select mono or stereo Mix name - type to edit Adjust zone volume Select zone input Configure zone volume options Configure zone restrictions Configure zone compressor...
- Page 13 Note: The number of individual outputs available for configuration will depend on the THEORY DLC amplifier model and the input, zone and output mode configuration. The diagrams following illustrate a four output amplifier.
- Page 14 If selecting the IMPORT FILE option, browse your device for the Note: When configured in Hi-Z mode DLC-250.4d amplifiers operate in appropriate ‘.zcp’ format speaker preset data file. If selecting the FROM ‘bridged’ format where the output of two channels is combined. This means...
- Page 15 DLC-250.4d LOUDSPEAKER CONTROLLER Configuration Diagram 5l Speaker Preset parameter adjustment Note: Mono signals might be mono at source, created though combining the left and right channels of a stereo signal (summed Select output mono) or treating the left and right channels of a stereo signal independently (split mono).
- Page 16 DLC-250.4d LOUDSPEAKER CONTROLLER Configuration Note: It is recommended that a Control Web App password is different from that required to gain access to the amplifier via WiFi. • The Power Management menu enables various automatic switch-on options to be engaged. The Power Management menu also offers timed Standby and Mute functions.
- Page 17 Speaker Library Creation and Management 5.4 Setup and Signal Routing Thanks to their network based configuration features, THEORY DLC amplifiers offer considerable versatility in terms of sources, signal routing, installation zones and output modes. Inputs can be freely assigned to...
- Page 18 DLC-250.4d LOUDSPEAKER CONTROLLER Configuration Diagram 5p Signal Flow Schematic...
- Page 19 DLC-250.4d LOUDSPEAKER CONTROLLER Configuration 5.5 GPIO Setup and Connection THEORY DLC amplifiers provide a GPIO socket that enables remote control of volume, standby, mute and trigger functions. The GPIO connector pin functions are described in the GPIO Settings menu illustrated in Diagram 5q. The connection of GPIO based remote volume control and standby/mute are illustrated in Diagram 5r and Diagram 5s respectively.
- Page 20 DLC-250.4d LOUDSPEAKER CONTROLLER Configuration Diagram 5r Switch open or closed toggles Potentiometer connections for remote volume control Standby or Mute depending on via GPIO. options selected in the GPIO Settings Menu Note: Diagram 6d illustrates use of the GPIO connector.
- Page 21 Note: The S/PDIF output level is by default set at -10dB to reduce the possibility of downstream input clipping. Analog Inputs THEORY DLC analog inputs are of line level format with a default input 6.3 Output Connections sensitivity of +4dBu (full output voltage swing/sensitivity) in all output modes.
- Page 22 0.75 with different installation types and cable lengths. 6.5 GPIO Connections <250 If any THEORY DLC GPIO functionality is required, cables will need <250 <250 to be connected to the supplied GPIO connector. Connecting cables to the GPIO connector is illustrated in Diagrams 6d.
- Page 23 DLC-250.4d LOUDSPEAKER CONTROLLER Diagram 6b Diagram 6d Balanced analog input GPIO cable connections. cable connections. 5 mm 5 mm Diagram 6c Output cable connections. 5 mm Low-Z Mode 5 mm Hi-Z Mode The exclamation point printed next to the output terminals of the amplifiers is, in addition to the CLASS 2 WIRING text, intended to alert users to the risk of hazardous voltages.
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Page 24: Operation
Power sharing optimises the amplifier’s ability to deliver maximum power into Note: THEORY DLC amplifiers will not switch on from Standby Mode unless dynamic loudspeaker loads when playing music programme material. -
Page 25: Specifications
1x ½ rack plate extension Accessories 2x surface mount plates (not included) 2x Rear supports (not included) Power Ratings 1% THD @ 120Vac and 230Vac *100V line mode is @ -1dB (≈ 90 V) **DLC-250.4d may only Powershare across Ch1/2 and Ch3/4... - Page 26 DLC-250.4d LOUDSPEAKER CONTROLLER Specifications Power Efficiency Data The following table describes the efficiency and power performance of THEORY DLC amplifiers. The table also includes the derived thermal losses. 1/8th Full Power Load Power In Power Out Efficiency Thermal Loss Thermal Loss...
- Page 27 DLC-250.4d LOUDSPEAKER CONTROLLER Notes...
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