CIB User 2
Contents
1. LL Control control defines the bandwidth over which the control is active The Q range is 0 7 to 2 Mids In Both LMF and sections are switched in together and are only active with this switch operated irrespective of the audio path they are resident in Mic Line or Side Chain q Operational Guide Side Chain Switch Switches the HMF and LMF bands of the EQ into the side chain path Note this switch overrides the Line switch setting Line Switches the HMF and LMF bands of the EQ from the Mic path into the Line path HF Response High Frequency 20 0 The HF band operates over a frequency range of 2kHz and ro 20kHz with a variable 50 cut boost of 18dB Lx 200 Peak 10 100 1 10 50 When the Peak switch is pressed a Bell response is selected When deselected the response is Shelf In Bell mode the LF response curve is symmetrical around the current frequency setting with a factor of approximately 0 7 providing the ability to subtley boost or cut the signal around the chosen frequency In Shelf mode the response curve remains flat up to the chosen frequency where it rolls off at 12dB Octave Sheen Normally the provides steep sided curves allowing powerful tonal changes The Sheen switch provides a subtle alteration to the response curve giving greater or les2. Faders The Mic and Line faders can be switched out of circuit via the associated rear panel switches allowing external faders to be used Connections are via Standard 3 pin male XLR with the following pinout Pin 1 Screen Pin 2 Fader Top Pin 3 Fader Wiper Compressor Link When enabled identical gain reduction can take place when two or more CIBs are linked together The applied gain reduction 15 derived from whichever path has the greatest signal CIBs are linked together using a mono or stereo 1 4 inch jack lead via the connector on the rear panel For more than two units create a daisy chain lead with all the tip contacts wired together the ring contact is not used q Operational Guide FILTERS MIDS COMPRESSOR si _ 1 u 0 0 0 OA 0 2 2 2 CON 0 0 0 1 Ld INPUTS HF LF OUTPUTS Signal Paths There are three audio signal paths within Channel in a Box Mic path Line path and Compressor side chain path By default the side chain is sourced from the Mic input Filters HF LF and HMF LMF can be switched independently into the Mic Line or Side Chain paths Selecting Side Chain allows equaliser settings to be inserted into the Compressor side chain allowing gain reduction to be frequency dependent LF cut can be applied to the side chain to prevent a bass line pumping the overall signal level Alternatively HF boost can be applied which makes the compressor act more severely on high frequen
3. Important Safety Instructions Instructions de S curit Importances Avant de changer le fusible teindre l appareil et enlever la prise d alimentation Utiliser un tourne vis t te plate appuyer sur le capuchon du fusible doucement vers l interieur et tourner dans le sens contaire des aiguilles d une montre pour d gager le capuchon Mettre le nouveau fusible dans le capuchon et remetre en place en faisant la proc dure inverse 100V 230V Operation Fonctionnement o This apparatus does not require any operating voltage adjustment Cet appareil n exige pas l ajustement de tension qui op rant Servicing Services The servicing instructions in this manual are for use by qualified personnel only To reduce the risk of electric shock do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so Refer all servicing to qualified service personnel Les instructions de services contenues dans ce manuel sont pour utilisation seulement par des professionels Pour r duire le risque de choc lectrique ne tenez aucune op ration de service sauf celles contenues dans le manuel d op ration a moins d tre qualifi pour le faire R f rez toute r paration un agent de service professionel RISK OF ELECTRIC SHOCK DO NOT OPEN AVIS RISQUE DE CHOC ELECTRIQUE A NE PAS OUVRIR AN Ne WARNING For your own safety and to avoid invalidation of the warranty please rea
4. Operational Guide The Line Input features a new high performance transformer with exceptional low frequency performance as with any genuine transformer input this Line Input may be used with either balanced or unbalanced sources without having to allow for change of gain due to grounding one leg of a so called electronically balanced circuit An internal jumper allows the Line Input to be re configured for use as a low noise balanced mixing buss when used in conjunction with other Pure Path products Refer to the applications ideas leaflet Phase Switch The phase switch allows phase inversion of the incoming signal The switch should normally be released Level Meter The level meter can display the input or output levels of either path The local Meter Source switch selects between Mic and Line paths The output section Meter Source switch selects between Outputs and Inputs The meter is calibrated to read O for output levels of 4dB and normally monitors the post fade signal factory preset but can be selected to read pre fade by internal jumpers 15 AN Ne Operational Guide FILTERS MIDS COMPRESSOR EE CAC 6 00 0 eo 1 7 v gt A gt 10 5 52 une e OUT x 16 CAC INPUTS HF LF OUTPUTS Filters Filters In Filte
5. HARD to a very gentle transition which I have called and Much More the description a friend gave it AN Ne CE 2000 Harman International Industries Ltd All rights reserved Parts of the design of this product may be protected by worldwide patents AMEK ts a trading division of Harman International Industries Ltd Information contained in this manual is subject to change without notice and does not represent a commitment on the part of the vendor AMEK shall not be liable for any loss or damage whatsoever arising from the use of information or any error contained in this manual or through any mis operation or fault in hardware or software contained in the product No part of this manual may be reproduced stored in a retrieval system transmitted in any form or by any means electronic electrical mechanical optical chemical including photocopying and recording for any purpose whatsoever without the express written permission of AMEK It is recommended that all maintenance and service on the product should be carried out by AMEK or it s authorised agents AMEK cannot accept any liability whatsoever for any loss or damage caused by service maintenance or repair by unauthorised personnel PART No MANCIB Issue 2 Harman International Industries Ltd Langley House Third Avenue Trafford Park Manchester M17 1FG United Kingdom Ap Tel 44 0 161 868 2400 A M E K Fax 44 0 161 873 8010 E mail amek amek
6. a Bell response is selected When deselected the response is Shelf In Bell mode the LF response curve is symmetrical around the current frequency setting with a O factor of approximately 0 7 providing the ability to subtley boost or cut the signal around the chosen frequency In Shelf mode the response curve remains flat up to the chosen frequency where it rolls off at 12dB Octave Glow Normally the provides steep sided curves allowing powerful tonal changes The Glow switch provides a subtle alteration to the response curve giving greater or less warmth altering the overall sound without changing its character 17 AN Ne Operational Guide FILTERS __ COMPRESSOR nl 16 1 Ld INPUTS HF LF OUTPUTS Low Mid Frequency The LMF band operates over a frequency range of 20Hz to 200Hz with a variable cut boost range of 18dB Using the X5 button changes this to 100Hz and 1kHz respectively Control The control defines the bandwidth over which the LMF control is active The Q range is 0 7 to 2 High Mid Frequency EQ HMF Response The HMF band operates over a 29 frequency range of 500Hz to 10 0 2 5kHz with a variable cut boost 50 range of 18dB Using the X5 m button changes this to 2 5kHz ai and 25kHz respectively 200
7. alling or using Important Safety Instructions Instructions de S curit Importances Cautions Warnings and Notes Please read this manual carefully before connecting this apparatus to the mains for the first time For your own safety and to avoid invalidation of warranty all text marked with these Safety Symbols should be read carefully Please keep this information A Cautions Hazards or unsafe practices which could result in severe personal injury or death Avis Dangers ou pratiques dangereuses pouvant r sulter en des blessures graves ou causant la mort Warnings Hazards or unsafe practices which could result in minor personal injury or product or property damage Avertissements Dangers ou pratiques dangereuses pouvant r sulter en blessures personnelles mineures l g res ou en dommages la propri t Notes Contain inportant information and useful tips on the operation of your equipment Notes Contiennent l information de inportant et les pointes utiles sur l op ration de votre quipement Earthing Terre This apparatus MUST be earthed Under no circumstances should the mains earth be disconnected from the mains lead Cet appareil DOIT tre mis la terre La mise terre ne doit pas tre d branch e du terminal principal sous acune circonstance AN Ne Important Safety Instructions Instructions de S curit Importances Mains Cable Cable de Secteur The supplied IEC mains
8. an 0 02 mostly 2 harmonic 22dBu 22dBu 23 Notes 24
9. cable must be terminated correctly to the AC mains supply before use Use only an approved AC plug or power distribution device The Green Yellow core in the mains cable is a safety ground and must be connected at all times The three cores are colour coded as follows Safety Earth Green Yellow Green Yellow USA Live Brown White USA Neutral Blue Black USA Le cable de secteur IEC fourni doit tre correctement au cable d alimentation avant l utilisation Utiliser seulement une prise de courant conforme Le cable vert jaune l int rieur du cable d alimentation est la s curit terre et doit tre toujours connect Les 3 cables l int rieur du cable d alimentation sont de couleurs suivantes Prise de Terre Vert Jaune Vert Jaune USA Phase Marron Blanc USA Neutre Bleu Noire USA Changing the Fuse Changer le Fusible To avoid the risk of fire replace only with same value and type of fuse as marked on the unit Before changing the fuse always switch off the unit and remove the AC power cable Using flat blade screwdriver press the fuse cap inwards gently and twist anti clockwise to release the cap Fit the new fuse to the cap and replace it in the fuseholder by reversing the procedure Afin d viter un risque de feu remplacer seulement avec fusible de la valeur et type tel qu indiqu sur l appareil 100 230V Les fusibles sont de type IEC 20mm protection surtension pour fusibles
10. com Web www amek com Contents A Few Words from Rupert 1 Unpacking s sos Go oo Se 4 Important Safety Instructions 5 Installation 9 5 10 Audio Connections 10 10 Compressor Link 10 Operational 11 Signal PASS s saa sa we ew ww 11 Mic Input 252 55 55 552 11 Block Diagram a ae bh ew Sew we 12 Operational Guin e a6 e ee 4 14 14 5255555 5 16 POUAIISCK ue 17 Compressor 20 Output Faders 22 22 Jumper 22 5 5 23 25 AN Ne Unpacking Check List The following items are included with the product Please retain all packaging materials until all expected items are accounted for and found to be operating correctly Packet containing 4 off M6 mounting screws 4 off plastic washers Moulded IEC mains lead Carton Protective foam materials Channel in a Box Unit Quality Certificate Protective foam User materials Procedure Guide 1 Remove all loose items from the packaging 2 Slide the unit along with the protective foam parts out of the box 3 Slide the protective foam parts away from the unit 4 Refer to the User Guide before inst
11. cy signals This can be used to over sibilant signals Mic Input The microphone input circuit is a T LA Transformer Like Amplifier It behaves like a transformer in that if a signal is applied to one input leg only no or very little output is the result A common mode input coil rejects common mode signals and acts as a Low Pass Filter for differential inputs Mic Path Freq Response 3 0 710 100 1 10 100K 200K high quality rotary switch provides a gain range from OdB unity to 72dB in 6dB steps Mic gain trim is continuously variable 6dB The mic input impedance is 5k0 ohms thus producing extremely low loss from a 150 or 200 ohm microphone 11 Block Diagram 48v D 7 z 35 OdBto 720B Of ee en EA 2 10 He a TLA GAIN TRIM 6dB MIC INPUT EU GAIN TRIM 6dB to 12dB LINE INPUT 1 0 METER INPUT FILTERS EQUALISER OUTPUT mic HPF amp LPF i HF amp LF MPRE 5 lt LINE IN PRE POST 5 INTERNAL JUMPER 12 OUTPUT TE gom JE OPTIONAL EXT FADER LINE OUTPUT GAIN FADER REDUCTION OPTONAL G R EQUALISER COMPRESSOR 5 ey inp
12. d this section carefully Do not place the apparatus an unstable surface Do not insert objects through any apertures Do not use this apparatus near water e Unplug the unit before cleaning Clean only with a damp cloth Do not block any of the ventilation openings Install in accordance with the manufacturer s instructions Do not install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers or power supplies that produce heat Do not defeat the safety purpose of the polarised or grounding type plug A polarised plug has two blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wider blade or the third prong are provided for your safety When the plug provided does not fit into your outlet consult an electrician for replacement of the obsolete outlet Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus e Avoid using mains outlets on the same circuits as air control systems or other equipment that regularly switches on and off Only use attachments accessories specified by the manufacturer e Unplug this apparatus during lightning storms or when unused for long periods of time Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any
13. e compensated for using the output gain control The gain range is 6dB to 18dB In Switches the Compressor into the signal path The default is Compressor in the Mic path with the Mic signal presented to the Side Chain Line Switches the Compressor into the Line path with the Line signal presented to the Side Chain Key Switches the Side Chain input to the other signal path e g if the Compressor is in the Mic path the Line path feeds the Side Chain and vice versa In many circumstances the CIB will be used with either the Mic or Line path for the primary signal flow but not both This allows the secondary path to be used as an external Key input to the Side Chain Link When enabled identical gain reduction can take place when two or more CIBs are linked together The gain reduction applied is derived from whichever path has the greatest signal Gain Reduction Meter If the signal exceeds the compression threshold the amount of gain reduction is displayed 21 AN Ne Operational Guide FILTERS MIDS COMPRESSOR EE oe AC 62 6 0 oe ee ee 0 22 22 1 Ld INPUTS HF LF OUTPUTS Output Faders Both Mic and Line paths are fitted with rotary output faders ranging from infinity off to 10dB with a detented OdB point Connections for external faders 5k or 10k ohm linear law are provided via rear panel XLR connectors and switches O L LEDs There are thre
14. e overload LEDs monitoring signal levels on the CIB All LEDs are set to illuminate 4dB before clipping The Mic O L LED is sourced from the Mic input trim and the pre fade signal The Line O L LED is sourced from Line input trim and the pre fade signal The side chain O L LED follows the side chain input signal and is additionally sourced from two points within each EQ section when they are switched to side chain Jumper Options Line Input to Virtual Earth Conversion Option To configure the Line input to become a virtual earth input link pins 3 5 and 4 6 The factory default DEFAULT setting is pins 1 3 and 2 4 68 Vera a Output Meter Source Option To set the output meter source to pre fader link pins 3 5 and 4 6 The factory default setting post fader links pins cost caver 3 4 DEFAULT 5 6l PRE FADER P2 1 2 4 Specifications Mic Input Gain Input Impedance T LA Input Impedance Input Balance 1kHz Equivalent Input Noise Bandwidth 22Hz 22kHz Measured with gain settings above 54dB Input terminated with 150 ohms Input terminated with zero ohms Measured with gain at 36dB Input terminated with 150 ohms Input terminated with zero ohms Measured at unity gain Input terminated with 150 ohms Input terminated with zero ohms Harmonic Distortion Unity gain setting Input Output level 20dBu THD measured 1kHz Gain setting 42dBu Outp
15. ng up and Clicks Clicks may be heard from in out switches when the product is powered up these will dissipate after approximately 10 minutes This is perfectly normal Cleaning Unplug the unit before cleaning The product should be cleaned with a soft brush around the controls If the facia becomes dirty use a damp cloth with a little household soap to remove the dirt DO NOT use solvent cleaners under any circumstances or the facia may be permanently damaged and warranty invalidated AN Ne Connections CHANNEL 10 gt THE SAME TYPE AND VALUE FUSE LINE AVIS AFIN DE REDUIRE LE RISQUE DE FEU a gt REMPLACER SEULEMENT AVEC FADER 2 gt FUSIBLE DE MEME FUSE Type I es INT 20 OH COMPRESSOR EXT Pr L LINK gt POWER COMPRESSOR LINK LINE CHANNEL MIC CHANNEL CAUTION REDUCE THE RISK OF FIRE REPLACE ONLY WITH THE S FADER AN INT x2 D Audio Connections Inputs The Mic input is electronically balanced via a standard 3 pin female XLR connector and employs Rupert Neve s TLA transformer like amplifier The Line input uses a transformer balanced arrangement via a female XLR Outputs The Mic and Line outputs are both transformer balanced via standard 3 pin XLR male connectors All audio connectors follow the European wiring convention Pin 1 Screen Pin 2 Hot Pin 3 Cold
16. q A Few Words from Rupert The digital age imposes completely new considerations for high performance analogue audio design and brings both advantages and disadvantages with it These considerations cause us to completely re think how to get the very best out of each new design such as the specifically designed transformers incorporated into Pure Path technology The Pure Path Channel in a Box or CIB is the result of these careful considerations and designed to meet the changing needs of engineers and producers for a powerful yet compact outboard unit combining the features they might wish for in their console of choice It has become common practice to surround the control room console with a collection of microphone pre amps equalizers and compressors often using the original console purely as a monitor The CIB is essentially the input channel of a very high quality console contained complete with it s own power supply in a 1U rack mounted assembly It combines Microphone Pre amplifier Line Amplifier Hi and Lo Pass Filters Four Band Equalization and a fully featured Compressor Mic Pre Amp Filters and EQ stages are virtually identical to those used in the 90981 in line console including familiar features such as GLOW and SHEEN The Compressor 15 all analogue design which musically emulates the best of my past designs and includes a control of the knee shape ranging from
17. rs Response Both filters are switched in together and are only active with this switch operated 12 0 irrespective of the audio path pe they are resident in Mic Line 21 0 or Side Chain 10 100 1 10 100 Side chain Switch Switches the High Pass and Low Pass filters into the side chain path Note this switch overrides the Line switch setting Line Switches the High Pass and Low Pass filters from the Mic path into the Line path High Pass The High Pass filter operates over a frequency range of 22Hz to 300Hz with a slope of 18dB Octave allowing the removal of unwanted low frequency noise components such as rumble and hum Low Pass The Low Pass filter operates over frequency range of 2 5kHz to 25kHz with a slope of 18dB Octave The extended range allows the filter to remove unwanted harmonic distortion in the conventional audio band caused by audio components in the inaudible upper frequency bands lt q Operational Guide Equaliser The EQ section comprises four parametric bands which are independently selectable in pairs HF LF and HMF LMF between the Mic path Line path or Compressor side chain Low Frequency EO LF Response The LF band operates over a gt frequency range of 30Hz to n i 300Hz with a variable 0 0 cut boost range of 18dB ai SE ow an Peak 0050 100 1K 10K 50K When the Peak switch is pressed
18. s warmth altering the overall sound without changing its character HF LF In Both HF and LF sections are switched in together and are only active with this switch operated irrespective of the audio path they are resident in Mic Line or Side Chain AN Ne Operational Guide FILTERS MIDS COMPRESSOR EE J 0 006 00 ce 3 OUTPUT gt gt 0 2 20 AC 70 20 1 Ld INPUTS HF LF OUTPUTS Side chain Switch Switches the HF and LF EQ bands into the side chain path Note this switch overrides the Line switch setting Line Switches the HF and LF EQ bands from the Mic path into the Line path Compressor Threshold Adjusts the level setting at which gain reduction begins to occur The range is 40dB to 23dB Attack Changes the time over which compression begins to occur The range is 0 3 to 300 5 Release Determines the time taken for the gain reduction to stop being applied The range 15 0 1 to 10 Seconds Ratio Changes the severity of the gain reduction once the signal exceeds the threshold setting The range is 1 1 no compression to 40 1 limiting Operational Guide amp MM and Much More Selects a different shape to the compression curve which musically emulates the best of my past designs Output Gain Using compression causes the output signal level to be reduced This drop in the output level is therefor
19. ut EXT LINK 15 AN Ne Operational Guide FILTERS MIDS COMPRESSOR EE CAC M 65 6 66 6 ees 912 7 4 SC gt t UNE FILTERS 14 Ld INPUTS HF LF OUTPUTS At unity gain the microphone amplifier can handle a balanced input signal of more than 20dBu without an attenuator pad this is a unique feature amongst microphone amplifiers it could therefore double as an additional high performance Line Input Phantom Power The 48V switch applies 48V phantom power to the Mic input XLR Note Under no circumstances press the 48V switch if an unbalanced source is connected to the XLR Phase Switch The phase switch allows phase inversion of the incoming signal The switch should normally be released Line Input The Line input is 10k0 ohm bridging balanced and floating transformer design which provides uncompromising isolation and protection against ground currents and any unwanted signals Line Path Freq Response Unlike traditional transformers the frequency response and distortion are independent of the source impedance of the preceding equipment Fulllow 1 100 1K 10K 100K 200K frequency performance Is maintained even with input levels higher than 20dBu Gain 15 provided on variable control covering an 18dB range
20. ut level 20dBu THD measured 1kHz Maximum Input Level T LA Unity gain Equaliser Noise At the output unity gain with all EQ in 22Hz 22kHz Distortion Unity gain with all EQ in 1kHz 20dBu 72dB gt 5 000 Ohms Better than 60dBr Better than 128dBr Better than 133dBr Better than 127dBr Better than 129dBr Better than 98dBr Better than 98dBr Better than 0 0015 Better than 0 002 22dBu Better than 92dBu Better than 0 0025 Line Input Gain Input Impedance Bridging Input Impedance Input Balance 1kHz Overall Noise Measured at output Bandwidth 22Hz 22kHz Harmonic Distortion 6dB to 12dB gt 10 000 Ohms Better than 60dBr Better than 98dBu Unity gain setting input output level 20dBu THD measured 1kHz Maximum Input Level Balanced and floating transformer Input unity gain Filters Noise At the output unity gain with Filters in 1kHz 20dBu Distortion Unity gain with Filters in 1kHz 20dBu Compressor Noise Better than 0 002 22dBu 95dBu Better than 0 0025 Measured at output gain unity ratio max Threshold OdBu attack and release mid setting Distortion Settings as for Noise above Input signal 10dBu 1kHz Outputs Maximum Output Level Balanced and floating transformer Measured at the Mic Path output Measured at the Line Path output Better than 94dBu Better th
21. way such as the power supply cord or plug is damaged liquid has been spilled or objects fallen into the apparatus the apparatus has been exposed to rain or moisture the apparatus does not operate normally or the apparatus has been dropped Unplug the unit under these circumstances Adjust only those controls that are covered by the operating instructions e Use only the mains lead provided with the equipment Other leads may not have sufficient current rating e Do not operate this unit with the cover removed Installation Location This product is designed and screened to minimise internal electromagnetic emissions and provide immunity to external electromagnetic fields To reduce the risk of performance degradation due to external interference do not site this unit close to sources of strong magnetic fields such as power supplies power amplifiers loudspeakers etc Rack Mounting This product is designed to be rack mounted using the screws and washers supplied to help preserve the finish of the facia panel The facia graphic layer is under surface printed to provide a robust hard wearing surface designed to last the life of the product in virtually any operating environment It is recommended that additional rear or side supports are used in conjunction with the facia panel fixings particularly when the unit is mounted in a flite case or vehicle where vibration and transit shocks can be expected Poweri
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