Page 3 - IMPORTANT SAFETY INSTRUCTIONS; manufacturers instructions.; WARNING; TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK,
IMPORTANT SAFETY INSTRUCTIONS These symbols are internationally accepted symbols that warn of potential hazards with electrical products. The lightning flash with arrowhead symbol, within an equilateral triangle is intended to alert the user to the presence of uninsulated “dangerous voltage” within ...
Page 5 - DECLARATION OF CONFORMITY
Telex Communications (UK) Limited, Klark Teknik Building, Walter Nash Road, Kidderminster. Worcs. DY11 7HJ. England. Tel: +44 1562 741515 Fax: +44 1562 745371 www.midasconsoles.com www.klarkteknik.com DECLARATION OF CONFORMITY We, Telex Communications (UK) Limited of, Klark Teknik Building, Walter N...
Page 7 - Thank You For Using This Klark Teknik Product; CONTENTS
Thank You For Using This Klark Teknik Product Our engineers have designed this product with uncompromising dedication to providing the superb audio performance, ease of use and rugged reliability that meets the demands of live sound engineering. Please take time to complete and return the Klark Tekn...
Page 9 - Safety Warning; do not remove covers. Refer servicing to qualified personnel only.; Installation Considerations
ATTENTION! 1 Please ensure that you read and follow the IMPORTANT SAFETY INSTRUCTIONS at the front of this manual and the SAFETY WARNINGS and INSTALLATION CONSIDERATIONS given below. Safety Warning To prevent shock or fire hazard, do not expose the unit to rain or moisture. To avoid electrical shock...
Page 11 - NTRODUCING THE
DN9848 Key Features 3 1. I NTRODUCING THE DN9848 The DN9848 is a highly configurable, digital electronic cross-over/loudspeaker management system comprising four balanced analogue input channels and eight balanced analogue output channels. Its unrivalled routing flexibility enables each output to be...
Page 13 - IEC fused mains
Controls, Connectors, Indicators 5 3. R EAR P ANEL 1 IEC fused mains inlet socket For mains power connection. Accepts input voltages from 100-240V AC 50/60Hz. 2 COMMS In and Out Communications input and output for remote control using XLR cabling. 3 Outputs 1-8 Electronically balanced XLR audio outp...
Page 14 - three; encoder knobs, which are used to adjust the parameter values.; Input and Output Menus; MENU ACCESS; DATA ENTRY
DN9848 Menu System 6 4. P ROGRAMMING S ETTINGS 4.1. The DN9848 Programming Panel All the parameters for input and output signal processing and routing are defined via function specific menu pages that are displayed and edited at the programming panel shown below. As described in the illustration, ea...
Page 17 - Input Channels; NPUT; To access the Input menu pages for a particular channel
Input Channels 9 5. I NPUT C HANNELS 5.1. Brief Technical Overview Referring to the illustration below, each input channel of the DN9848 processes the audio signal through delay and gain stages, followed by 12 bands of parametric equalisation, and a full-band compressor. All key stages are monitored...
Page 18 - To set the delay
Input Channels 10 5.2.3 Gain and Delay (Page 1) Gain and delay are also set in the first page of the channel’s menu, providing easy access for quick adjustment during set up or performance. Note that the delay can be specified in terms of time or distance, as preferred. The unit of measurement is ch...
Page 19 - To set the compressor parameters
Input Channels 11 5.2.5 Compression (Page 14) Each input has an independent full-range compressor to improve the dynamics of the incoming signal levels. The compressors are variable ratio and can be set to a hard knee characteristic for a sharp gain reduction response at the compression threshold, o...
Page 20 - Output Channels; UTPUT
Output Channels 12 6. O UTPUT C HANNELS 6.1. Brief Technical Overview The output channels are slightly more complex than the input channels in that they are responsible for the signal routing as well as output signal processing. At the input of each output channel is a routing block that can source ...
Page 21 - To access the Output menu pages for a particular channel
Output Channels 13 6.2. Setting Output Parameters Signal processing for each output channel is programmed independently via the separate Output menu associated with each channel. The signal processing parameters are described below in menu order. To access the Output menu pages for a particular chan...
Page 22 - To invert the output signal; specific phase shift at a; order phase shift; To set a precise phase shift at a reference frequency
Output Channels 14 6.2.4 Signal Invert, Delay and Output Level (Page 3) Each output can be phase inverted by 180 º (separate to the phase-alignment for cross-over), delayed for system alignment and the level attenuated or boosted. Delay can be specified in terms of time or distance, as preferred. Th...
Page 23 - To apply a ‘shaped’ phase transition at a chosen frequency; High Pass and Low Pass Filters (Pages 6 and 7); To add a high/low pass filter to output processing
Output Channels 15 To apply a 1st order phase adjustment in relation to a chosen frequency 1 Step to the All-Pass page shown right. 2 Turn the right-hand knob to enable a 1st (90 º ) order shift. 3 Turn the left-hand knob to the required frequency. To apply a ‘shaped’ phase transition at a chosen fr...
Page 24 - To set a PEQ
Output Channels 16 6.2.7 Parametric Equalisation (Pages 2 to 13) The DN9848 provides six parametric equalisation stages on each output channel, for equalising the output signal in respect of loudspeaker and/or system characteristics. The first and last of these PEQ sections can be alternatively be c...
Page 25 - To switch the compressor out of the circuit; Limiter; In addition to compression, each DN9848 output has a; To set the limiter parameters; Use the centre knob to set a release time between 1ms and 100ms.; To switch the limiter out of the circuit; output levels that may cause damage to the loudspeaker equipment.
Output Channels 17 3 Turn the left-hand knob clockwise to access the second sub-menu page. Use the centre knob to set the compressor attack time (range of 40 s – 1ms in 20 s steps or 1ms to 100ms in 1ms steps). Use the right-hand knob to set the release time (10ms to 2s in 10ms steps). To switch the...
Page 26 - Note
Output Channels 18 1 The meter uses a downward relative scale where the 0 segment represents the limiter threshold. For example, if the limiter threshold is set to +5dB in the output menu page, then the signal meter 0 segment represents 5dBu true value, the –3 segment becomes 2dBu down, - 6 becomes ...
Page 27 - Security and other Set Up Options; ET; To access the Set Up menu pages
Security and other Set Up Options 19 7. DN9848 S ET U P O PTIONS 7.1. General The DN9848 provides various set up options for adapting the operation of the unit to best suit your operational requirements and preferences, as follows: Comms channel setting for remote control Security features Display l...
Page 28 - To set a Panel Lock
Security and other Set Up Options 20 To set a Panel Lock 1 Step through the Set Up menu to the Panel Lock menu page. 2 Use the left and centre knobs to set a password of 12 characters, including blank spaces, made up of letters, numbers and/or symbols. Important! Note that preliminary and subsequent...
Page 29 - To switch System Protect on
Security and other Set Up Options 21 To switch System Protect on 1 Step through the Set Up menu to the System Protect menu page. 2 Use the left and centre knobs to set a password of 12 characters (including blank spaces) made up of letters, numbers and a limited number of symbols. Important! Note th...
Page 30 - To change the units of measurement
Security and other Set Up Options 22 Names can also be allocated to individual input and output channels via their associated menus (see Sections 5.2.2 and 6.2.2). All names are stored with User and System memory settings. The Store function will assume the working memory name as the default memory ...
Page 31 - To store settings
Using the DN9848 Memories 23 8. S TORING AND R ECALLING S ETTINGS The DN9848 Loudspeaker Processor is provided with the following memory facilities: 32 lockable System memories, designated as S01 to S32, for storing standard set ups in battery-backed-up SRAM. 5 free access User memories, designated ...
Page 33 - Remote Control Setup; EMOTE
Remote Control Setup 25 9. DN9848 R EMOTE C ONTROL S ETUP Up to 32 DN9848 Loudspeaker processors can be linked together in a daisy-chain RS-485 network for remote control from a computer running the commercially available Stardraw or Smaart software. Further details of these applications are availab...
Page 34 - Connection
Remote Control Setup 26 DN9848 Connection Laptop/PC Connection Cable /Converter Required D9 COM port Host cable RS-232 input to front panel PC PORT for short cable run USB port KK systems USB/232 converter plus host cable D9 COM port RS-232/485 converter, e.g. KT LBB-485 powered from PS2 mouse port ...
Page 35 - Application Notes; PPLICATION; the competitor unit which does not have a look-ahead limiter.
Application Notes 27 10. A PPLICATION N OTES 10.1. The Advantage of DN9848 Look-Ahead Limiters The limiter in a loudspeaker processor is the last line of defence in protecting the speaker drivers from damage, and as such it has a very specific and critical job to do. One of the chief modes of loudsp...
Page 36 - operational range of the loudspeaker drivers.
Application Notes 28 DN9848 is caused by the use of sigma-delta converters for both analogue-to-digital and digital-to analogue conversion (the competitor unit uses a different method of digital-to-analogue conversion), which allows the DN9848 to achieve its superior dynamic range. In order to preve...
Page 37 - acoustic; Response of the phase shifter filter for a phase shift of 90 at; Order; order; The graph over the page shows the response of the filter for a 1
Application Notes 29 10.2. Phase-adjustment with the DN9848 To meet the demands of a wide range of situations, the Klark Teknik DN9848 provides two all-pass filters with complementary control parameters for fine-tuning the phase response on each output. Although some cross-over filter designs, e.g. ...
Page 38 - Response of the All Pass Filter for 1; Order phase; The response of the filter for a 2; order shift is shown below with the Q control set to 1, at; phase shift ‘window’.; Audio Precision; phase response changes with frequency.
Application Notes 30 A ud io P re c is io n 0 1 /1 9 /0 1 1 6 :0 0 :0 2 1 s t o rd e r allp as s @ 3 0 0 , 1 K , 1 0 K p h a s e .a t1 C o l o r L in e S tyle Th ic k D a ta Axis G re e n S o l id 1 An lr.P h a s e L e ft Ye llo w S o l id 1 An lr.P h a s e R ig h t Ye llo w S o l id 1 An lr.P h a s...
Page 39 - Technical Specification; ECHNICAL
Technical Specification 31 11. T ECHNICAL S PECIFICATION Audio Inputs (four) Type Electronically balanced (Pin 2 Hot) Impedance ( Ω ) Balanced 20k, Unbalanced 10k Common Mode Rejection >80dB @ 1kHz Maximum level + 21dBu Audio Outputs (eight) Type Electronically Balanced (Pin 2 Hot) Minimum load i...
Page 41 - Factory Presets for X-Array Series
Technical Specification 33 Factory Presets for X-Array Series Out Memory Identification In 1 2 3 4 5 6 7 8 A LF HF B LF HF C LF HF P01 XW15 – 4MIX R1-3 4 x EV XW15 15” Bi-amped (8 outputs used) D LF HF A Xn LF Xn MB Xn HF Xb LF Xf MB Xf HF Xf MF Xf HF B C P02 XN/XB/2XF R2- 1 x EV XN + EV XB + 2 x EV...
Page 42 - Out
Technical Specification 34 Factory Presets for X-Array Install (Xi) Series Out Memory Identification In 1 2 3 4 5 6 7 8 A LF HF B LF HF C LF HF P08 XI1122/85 4MIX R1-2 4 x EV XI1122/85 12” Bi-amped (8 outputs used) D LF HF A 1191 SUB 1122 LF 1122 HF FULL B 1191 SUB 1122 LF 1122 HF FULL C P09 XI1122/...
