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 1

   Read instructions – all the safety and operating instructions should be read before the appliance is operated.

 2

   Retain these instructions – the safety and operating instructions should be retained for future reference.

 3

   Heed warnings – all warnings on the appliance and in the operating instructions should be adhered to.

 4

   Follow instructions – all operating and other instructions should be followed.

 5

   Water and moisture – the appliance should not be used near water, for example near a bathtub, wash bowl, kitchen sink, laundry tub, in a wet 

basement or near a swimming pool etc.  

 6

   Ventilation – the appliance should be situated so that its location or position does not interfere with its proper ventilation. For example, the 

appliance should not be situated on a bed, sofa, or similar surface that may block the ventilation openings. Similarly, the appliance should not 

be built into an installation, such as a bookcase or cabinet, that may impede the flow of air through the ventilation openings.

 7

   Heat – the appliance should be situated away from heat sources such as radiators, stoves or other appliances that produce heat.

 8

   Power sources – the appliance should be connected to a power supply only of the type described in the operating instructions or as marked 

on the appliance.

 9

   Power cord protection – power supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or 

against them, paying particular attention to cords at plugs, convenience receptacles and the point where they exit the appliance.

 10

   Cleaning – the appliance should be cleaned only as recommended by the manufacturer.

 11

   Unattended periods – the power cord of the appliance should be unplugged from the outlet when left unused for a long period of time.

 12

   Object and liquid entry – care should be taken so that objects and liquids do not fall into the appliance.

 13

   Damage requiring service – the appliance should be serviced by qualified service personnel when:

  i   the power supply cord or the plug has been damaged

  ii   objects have fallen or liquid has been spilled into the appliance

  iii   the appliance has been exposed to rain or other serious liquid exposure

  iv   the appliance does not appear to operate normally or exhibits a marked change in performance

  v   the appliance has been dropped or the cabinet damaged.

 14

   Servicing – the user should not attempt to service the appliance beyond those measures described in the operating instructions. All other 

servicing should be referred to qualified service personnel. Please contact your local 

ATC

 dealer or distributor.

 15

   Grounding or polarisation – precautions should be taken so that grounding or polarisation means for the appliance are not defeated.

S E C T I O N   O N E

 

  

1.0   Introduction

S E C T I O N   T W O

 

2.0  Product Description

S E C T I O N   T H R E E

 

Placement and Installation

3.1   Room Interaction 

3.2  Subwoofer Placement 

3.3  SCS70iW Pro Remote Amplifier Installation

S E C T I O N  F O U R 

 

Connection

4.1 General 

4.2 Signal Cable Options

S E C T I O N   F I V E

 

Control Panel Operation 

5.1   Power on/off 

5.2   Level and Gain 

5.3   Polarity and Phase 

5.4   Frequency 

5.5   Outputs 

5.6   Footswitch – Input and Thru 

5.7   Fault 

5.8   Front Panel Display

S E C T I O N   S I X

   

Typical System Configurations and Recommendations

6.1   Bass Reinforcement/Bass Extension of a Stereo System  

6.2   Multichannel Surround/Immersive Audio  

S E C T I O N   S E V E N

 

7.0   Listening

S E C T I O N   E I G H T

   

8.0  Care and Maintenance

S E C T I O N   N I N E

 

Specification

9.1   Acoustic 

9.2   Electronic 

9.3   Physical

S E C T I O N   T E N

   

10.1 Warranty 

10.2 Contact

SAFETY W

ARNINGS

 

CONTENTS

Summary of Contents for SCS70 Pro

Page 1: ... E E R S R A C C O U S T I C E N G I N E E R S Loudspeaker Technology Ltd Gypsy Lane Aston Down Stroud Gloucestershire GL6 8HR United Kingdom Telephone 44 0 1285 760561 Email info atc audio Website www atc audio Acoustic Transducer Company is the trading name is the registered trade mark of Loudspeaker Technology Ltd R P R O S E R I E S ...

Page 2: ...tlet when left unused for a long period of time 12 Object and liquid entry care should be taken so that objects and liquids do not fall into the appliance 13 Damage requiring service the appliance should be serviced by qualified service personnel when i the power supply cord or the plug has been damaged ii objects have fallen or liquid has been spilled into the appliance iii the appliance has been...

Page 3: ...mponents engineered to survive the rigours of high level use for extended periods The only way to combine the two is through precision engineering of a class and scale more often associated with S E C T I O N O N E I n t r o d u c t i o n 1 0 aerospace or motor sport But the results are worth the effort and the cost ATC loudspeakers with their unique in house designed drivers combine the best of h...

Page 4: ...n filtered balanced outputs are provided for connection to partnering active monitor loudspeakers or to daisy chain multiple subs 21dB range of gain control three low pass frequency settings polarity switch and a180 degree continuously variable phase setting allow the user to optimise the subwoofer for use with a very wide range of partnering loudspeakers The low pass filter can also be set to Off...

Page 5: ...he subwoofer in the centre of the room equidistant from the two side walls and between the left and right stereo pair must be avoided In the majority of cases this position will result in large irregularities in the frequency response Multiple subs will excite the room from multiple locations and will often give a more even in room response Also a pair of subs can be placed with the same physical ...

Page 6: ...g the effective input level to the amplifier stage by 6dB Balanced cable configuration is the preferred option however unbalanced connection is possible Diagrams 3 and 4 illustrate the signal cable connections required for each option Balanced XLR to XLR connection offers lower noise and better immunity to hum pick up Unbalanced XLR to Phono or Two Pole Jack connection carries risk of hum caused b...

Page 7: ... low pass crossover filter via an external processor All filters are of the type 4th order Linkwitz Riley Provides separately buffered and fully balanced outputs with a signal identical to that at the corresponding input terminals The output is unfiltered and unaltered in any way and therefore it is possible to drive a stereo pair of active loudspeakers from these terminals Likewise it is also pos...

Page 8: ...Subwoofer has two LED s mounted in the front facing badge Diagram 6 The LED to the left is a Bi Colour Green Red LED When Green the subwoofer is powered ON when Red the subwoofer amplifier is limiting please reduce the listening level Persistent and or continuously illumination of the Red LED can result in damage to the amplifier or driver The LED to the right is not lit when the subwoofer is oper...

Page 9: ... can be achieved through experimentation with the subwoofer Level Frequency and Phase adjustment Diagram 7 Typical Configuration Stereo playback Mono Sub A monitor controller or preamplifier output is connected to the L and R Inputs of the subwoofer The subwoofer L and R Outputs are connected to the Input of the L and R main monitors In this configuration the Gain switch is normally set to 0dB Dia...

Page 10: ...ng L o u d s p e a k e r m o d e l p a i r BASS REINFORCEMENT EXTENSION OF STEREO SYSTEM SCM12 PRO P1 POWER AMPLIFIER 65Hz 6dB 6dB 0dB 0 SCM20ASL PRO 65Hz 6dB 6dB 0dB 0 SCM25A PRO 50Hz 6dB 6dB 0dB 0 SCM45A PRO 50Hz 6dB 6dB 0dB 0 SCM50ASL PRO 50Hz 6dB 6dB 0dB 0 FREQUENCY LEVEL POT ADJUST FOR BEST BALANCE GAIN SWITCH SINGLE SUB DUAL SUBS PHASE ADJUST TO FINE TUNE POLARITY DIAGRAM 10 S u b s SCS70 1 ...

Page 11: ...of subwoofers the Gain switches may need to be set to 6dB Further subwoofers can be added to the system using the same Daisy Chain method shown The system shown is an example and other configurations are available Recommended initial settings for the Studio Control Subwoofer when used in a multichannel system are shown in Diagram14 Monitor Controller L R C Rs Ls Lfe 0 1 Recommended O Acceptable S ...

Page 12: ... replaceable parts within the speaker and in the unfortunate event of any malfunction repair should be referred to either the supplying dealer or consultant the relevant importer or ATC ATC has every confidence in the quality of each product that it manufactures Low Frequency Cut off 22Hz 6dB half space low pass filter set at 80Hz Low Pass Filters 50Hz 65Hz 80Hz 320Hz 6dB 4th order Linkwitz Riley ...

Page 13: ... O N N I N E P h y s i c a l s p e c i f i c a t i o n 9 3 SCS70 PRO SCS70iW PRO R1 300 REMOTE AMPLIFIER WEIGHT 44KG DIMENSIONS SEE DIAGRAM WEIGHT 32 5KG DIMENSIONS SEE DIAGRAM WEIGHT 12KG DIMENSIONS SEE DIAGRAM ...

Page 14: ...ompleted Warranty Card to ATC or by registering the product at www atc audio will have their warranty period extended up to a period of six years from the date of purchase This guarantee does not limit statutory rights LoudspeakerTechnology Ltd Gypsy Lane Aston Down Stroud Gloucestershire GL6 8HR United Kingdom Telephone 44 0 1285 760561 Email info atc audio Website www atc audio AcousticTransduce...

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