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Indicates a temporary or permanent amplifier fault. The Fault 

LED

 will illuminate if there is a 

DC

 fault on the amplifier or if the thermal limit of the 

heatsink is reached. In the rare case that the Fault 

LED

 illuminates, the subwoofer should be switched off. Ensure the subwoofer heatsink has 

adequate ventilation and after 

45

 minutes switch it back on. If the Fault 

LED

 remains illuminated the amplifier is registering a fault which should be 

investigated by an approved technician. Please contact your 

ATC

 dealer or distributor, details can be found at www.atc.audio. If the Fault 

LED

 is no 

longer illuminated, the amplifier had shut down safely due to reaching high temperatures. Please reduce the system listening level, subwoofer Level 

or improve amplifier ventilation and continue to use the subwoofer.

 

Indicates operational state. The Studio Control 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 operational and will illuminate Blue when the subwoofer is Muted via an external footswitch, 

see Section 5.6.

 

SECTION FIVE

   DIA

G

R

A

M

 6

F a u l t

F r o n t   P a n e l   D i s p l a y

5.7

5.8

POWER / LIMIT

MUTE

ACOUSTIC ENGINEERS

PROFESSIONAL 

SERIES 

SUBWOOFER

MADE IN ENGLAND

Acoustic Transducer Co. Is a trading name and

Is the registered Trade Mark of Loudspeaker Technology Ltd.

R

STUDIO SUB BADGE ARTWORK revA

04-12-20

PANEL ANODISED BLACK. TEXT AND LOGO 

TO APPEAR OFF WHITE AS SAMPLED.

LASER ETCHING SHOWN ABOVE IN 

BLACK.

DOTTED LINES DENOTE PANEL EXTENTS, 

DO NOT PRINT.

REVISION NOTES:

04-12-20 - revA- NEW PART NUMBER, NO 

CHANGES. WAS “SCS70 BADGE revC”

90.00 mm

Содержание SCS70 Pro

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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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