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Related Manuals for Klark Teknik DN1248 Plus
Summary of Contents for Klark Teknik DN1248 Plus
- Page 1 DN1248 OPERATORS MANUAL Klark Teknik Group, Klark Teknik Building, Walter Nash Road, Kidderminster. Worcestershire. DY11 7HJ. England. Tel:+44 (0) 1562 741515 Fax:+44 (0) 1562 745371 Email: pro_audio_group@compuserve.com Website: www.klarkteknik.com...
- Page 3 IMPORTANT SAFETY INSTRUCTIONS CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE AVIS: RISQUÉ DE CHOC ELETRIQUE. NE PAS OUVRIR These symbols are internationally accepted symbols that warn of potential hazards with electrical products.
- Page 5 S I G N A L P R O C E S S I N G B Y D E F I N I T I O N DESIGNED FOR APURE PERFORMANCE DECLARATION OF CONFORMITY Klark Teknik Group (UK) Plc of, Klark Teknik Building, Walter Nash Road, Kidderminster, Worcestershire, DY11 7HJ Declare that a sample of the following product:- Product Type Number Product Description...
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Page 7: Table Of Contents
Contents Page 1 Thank you for using a Klark Teknik product After you have unpacked Page 2 Page 3 Introduction Installation and connection Page 4 Page 5 Basic operation Mic channel Page 8 Page 9 Headphone amp Applications Page 10... -
Page 9: Thank You For Using A Klark Teknik Product
Thank You For Using This Klark Teknik Product To obtain maximum performance from this precision electronic product, please study these instructions carefully. Installation and operating the mic splitter is not complicated, but the flexibility provided by its operating features merits familiarisation with its controls and connections. -
Page 10: After You Have Unpacked
If, however, the unit shows any signs of damage, notify the transportation company without delay. Only you, the consignee, may institute a claim against the carrier for damage during transportation. If necessary, contact your supplier or as a last resort, your Klark Teknik importing agent, who will fully co-operate under such circumstances. -
Page 11: Introduction
The DN1248 Plus active microphone splitter brings the legendary sound and reliability of Klark Teknik to this application for the first time. Housed in a rugged 3U rack enclosure, the DN1248 Plus offers a cost and space-effective method of providing up to forty-eight outputs from twelve sources. -
Page 12: Installation And Connection
Installation And Connection The Klark Teknik DN1248 Plus is designed for standard 19" rack mounting and occupies 3U of rack space. Avoid mounting the unit directly above or below power amplifiers or power supplies that radiate excessive magnetic fields or heat. Ensure that the ventilation apertures on either side of the unit are not blocked or obstructed. -
Page 13: Basic Operation
Basic Operation Connect all capacitor microphones and DI boxes to the DN1248 Plus before applying phantom power. Ensure that the sound system level is turned down at this stage to prevent switch-on thumps or acoustic feedback. The phantom power should be switched off for any channel... - Page 14 Out 3 Transformer balanced XLR output. Out 2 Transformer balanced XLR output. Electronically balanced XLR output. Out 1 Balanced XLR for microphone level signals. Input Out 4 See rear panel Note: If either of the transformer balanced outputs ( 2 and 3) is shorted out, the signal level on the other output may be adversely affected.
- Page 15 Inputs Duplicates of Input connections on the front panel (wired in parallel). Channels 1 to 12 Out 1 Electronically balanced XLR output located on the rear panel. Duplicates for output 1 connectors on the front panel (wired in parallel). Out 4 Electronically balanced XLR output located on the rear panel.
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Page 16: Mic Channel
With neither selected, the signal path is unity gain. The gain range is adequate to accommodate most microphones, keyboards, DI boxes, backline preamp outputs and active guitar/basses. Passive guitars require a high impedance load and should be connected via a suitable active DI box, such as the Klark Teknik LBB100 or DN1414. -
Page 17: Headphone Amp
Headphone Amp Illuminated Logo The DN1248 Plus has no mains power switch. When power is connected, a blue LED will illuminate the logo on the right of the front panel. Phones Level Sets the level of the headphone output used for Solo monitoring. -
Page 18: Applications
Applications In a live recording situation, the DN1248 Plus may be used either to split the stage mic signals at source or to take feeds from the group outputs of a live sound console. It is also able to accommodate feeds from backline preamp outputs, active instruments, keyboards and so on. - Page 19 Example 3 Shows a live recording application where the DN1248 Plus is used to provide isolated feeds from the group outputs of the FOH live sound console.
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Page 20: Engineers And Architects Spec
The unit shall be capable of operating from a 90 to 250V, 50 to 60Hz AC power source. The unit should have the option of dual redundant power supplies. The Mic Splitter shall be the Klark Teknik model DN1248 Plus and no alternative option is available. -
Page 21: Specifications
90 to 250V a.c @ 50/60Hz @ < 75VA 3 pin IEC connector. Dimensions Width 483 mm (19 inches) Height 132 mm (5.2 inches) Depth 300 mm (12 inches) Weights Nett 7.4 kg Shipping 8.4 kg Klark Teknik reserve the right to alter these specifications without prior notice. -
Page 22: Appendix A Product Variants
Appendix A Product Variants The DN1248 Plus is offered in four variants: DN1248 Plus - Standard unit with two electronic and two transformer outputs per channel and one power supply. - “All-Transformer” unit with four transformer-balanced outputs and one power DN1248 Plus AT supply. - Page 23 Dual-Redundant Power Supply Variants (DP, FM) DN1248 SOLO The rear panels of these units include separate green LED indicators for each power supply to provide confirmation that PSU 1 they are working correctly. If a power supply fails then the corresponding LED will cease to illuminate.
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Page 24: Appendix B Rear Panel Blanking Plate And User Mutliple Connector
Appendix B Rear Panel Blanking Plate and User Multipole Connections The rear panel has three removable connector plates which as standard are used for connections for the input and outputs 1 and 4 of each of the twelve channels. Spare unpunched plates are available from your distributor to allow the fitting of custom connector configurations.
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