![ATC SCM150SL PRO [5/10] Or unbalanced cables may be used see section 3](/img/pdf.png)
ATC SCM150SL PRO [5/10] Or unbalanced cables may be used see section 3
![ATC SCM150SL PRO [5/10] Or unbalanced cables may be used see section 3](/views2/2008126/page5/bg5.png)
Phono (RCA)
Connector
To Source Output
Two Core Screened Cable
3 Pin Male XLR
Connector
To Monitor Input
1
2
3
Hot
Screen
Return
Two Core Screened Cable
3 Pin Male XLR
Connector
3 Pin Female XLR
Connector
To Monitor Input
Hot
Return
Screen
To Source Output
1
2
3
1
2
3
5 . S i g n a l C a b l e O p t i o n s
Balanced cable configuration is the preferred option,
however unbalanced connection is possible. Diagrams 2 and
3 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 by multiple
signal earths. Hum problems resulting from unbalanced
connection may be reduced by making ONE of the
following modifications to the signal cable
connections: If the driving preamplifier (or desk) is
“double insulated” (i.e. has no mains earth),
disconnect the signal cable screen at the RCA Phono
plug end. Alternatively, disconnect the signal cable
screen at the XLR end.This second option will make
the source the reference signal earth.
6 . O p e r a t i o n
Diagram 4 illustrate the connection and controland 5 panels for the Amplifiers
used in the active monitors. Each feature is described below.
5.1
Mains Inlet:
The supplied mains power lead (appropriate to the local
territory) should be connected here. Ensure that the mains voltage specified on
the panel corresponds with the local supply voltage.
5.2 Power Switch:
Switches on the monitor When. switched on the indicator
on the switch will illuminate.
5.3 Fuseholder:
Should a monitor fail to switch on when the power switch is
operated the fuse should be inspected. Lift out the fuseholder cover using a
small flat-blade screwdriver th efuse and inspect it for damage. Ifremove
required a replacement fuse should be fitted, . It should be stressed however that
fuses most most electrical fault. If this is theoften fail only because of a serious
case then simply replacing the in another fuse failure. Thefuse will only result
monitor should be returned to ATC if a second fuse fails.
5.4
Input Socket:The audio signal cable should be connected here. Balanced or
or unbalanced cables may be used (See Section 3).
5.5
Bass Boost:
Provides up to 6dB of gain (3dB for the SCM25 and SCM45)
in the region of 40Hz. Use a small flat blade screwdriver to access the control.
Adds more warmth and energy to the lower frequencies in music,
at the expense of accurate transient reproduction.
Note:
Adjusting the bass boost without the ability to recalibrate may leave a
pair of monitors unmatched.
5.6
LevelTrim : Provides access to an internal control that enables
adjustment of input sensitivity. Use a small flat blade screwdriver to access the
control. As supplied, monitors are calibrated to an input sensitivity of 1V.
Note:
Adjusting the sensitivity without the ability to recalibrate will leave a pair
of monitors unmatched.
Due to the nature of the electronics in ATC active loudspeakers it is quite normal
for a sound to be heard from the speaker when the power is applied or
disconnected. The noise heard will not damage the speaker and is quite normal.
Although ATC uses the highest-grade components, a different noise may be heard
from each speaker due to slight tolarance variations in the amplifier components.
4
Active monitors
7 . C o n n e c t i o n
Two cable connections are required for each monitor: one for mains power and one
for the audio signal. The mains cable is specifically supplied to comply with local
statutory safety approvals and alternatives should not be substituted. If you intend to
use your monitors in an alternative territory please contact ATC for advice.The mains
connection must always be earthed.
The signal cable and plug (not necessarily supplied) should be of a good quality and
XLR terminated. Poor cable and plug quality will compromise the performance of
your monitors.The signal input pin configuration is illustrated in Diagram 1.
Diagram 1 - input connection pins
Pin 1, Screen
Pin 2, Signal (hot)
Pin 3, Signal (return)
2 1
3
PUSH
Diagram 2 - balanced cable
Diagram 3 - unbalanced cable
SCM 50/100/ 15025/45/ 110/
I n s t a l l a t i o n
Содержание
- Scm110 1
- Scm150 1
- Scm25a pro 1
- Scm45a pro 1
- Scm50 scm100 1
- User manual 1
- Power sources the appliance is of class1 construction and shall be 2
- S a f e t y w a r n i n g s 2
- Scm 50 100 150 25 45 110 2
- C o n t e n t s 3
- I n t r o d u c t i o n 3
- Scm 50 100 150 25 110 scm 50 100 150 25 110 3
- Scm 50 100 150 25 45 110 3
- A mixture of carpets curtains and soft furnishings will help ensure that middle and high 4
- Acoustic character of the room in which it is used and its position within the room 4
- And bass boost are available to the user via controls 4
- And high frequency drivers active units have a built in 4
- And scm45 are available as passive or active units 4
- And should be handled with care always employ a 4
- At an artificially low level and carefully increase the volume it is also possible for the 4
- Bridge typically this compromises the balance of the loudspeaker especially in the 4
- Carried out on the floor with adequate open space 4
- Correction which has been individually optimised at the 4
- Featured in the product 4
- Frequencies are reasonably well controlled there may however be low frequency 4
- Harsh any or your ears are being audible distortion indicates that either the system 4
- I n s t a l l a t i o n 4
- Is reached for professional installations the requirements are often very specific 4
- Loudspeaker positioning stereo 4
- Loudspeakers are designed with the mid range dome as the reference acoustic axis 4
- Most often monitors are installed in rooms which are comfortable to sit and talk in 4
- Of cabinet adequate side and top clearance for cooling airflow must be provided 4
- Panel to enable separate amplification of the bass mid 4
- Please consult with an experienced professional acoustician if necessary monitors 4
- Scm 50 100 150 25 45 110 4
- Sl denotes super linear magnet technology and a 4
- The ear and brain tend to interpret distorted sound as loudness and thus 4
- The monitors should be kept away from corners or walls start with them positioned 4
- The scm25 45 50 100 110 and 150 are a range of three 4
- The scm25 and scm45 are only available as active 4
- Three way amplifier with frequency gain and phase 4
- Underestimate the actual level of undistorted sound the scm 100 25 45 50 110 4
- Units the product name suffix denotes the technology 4
- Your ears make the sound appear themselves to become a source of distortion and 4
- Active monitors 5
- Adds more warmth and energy to the lower frequencies in music 5
- Adjusting the bass boost without the ability to recalibrate may leave a 5
- Adjusting the sensitivity without the ability to recalibrate will leave a pair 5
- Adjustment of input sensitivity use a small flat blade screwdriver to access the 5
- C o n n e c t i o n 5
- Case then simply replacing the in another fuse failure the fuse will only result 5
- Connection carries risk of hum caused by multiple 5
- Control as supplied monitors are calibrated to an input sensitivity of 1v 5
- Diagram 1 input connection pins 5
- Diagram 2 balanced cable 5
- Diagram 3 unbalanced cable 5
- Disconnect the signal cable screen at the rca phono 5
- From each speaker due to slight tolarance variations in the amplifier components 5
- I n s t a l l a t i o n 5
- In the region of 40hz use a small flat blade screwdriver to access the control 5
- Input socket the audio signal cable should be connected here balanced or 5
- Lower noise and better immunity to hum pick up 5
- O p e r a t i o n 5
- Operated the fuse should be inspected lift out the fuseholder cover using a 5
- Or unbalanced cables may be used see section 3 5
- Provides up to 6db of gain 3db for the scm25 and scm45 5
- Required a replacement fuse should be fitted it should be stressed however that 5
- S i g n a l c a b l e o p t i o n s 5
- Scm 50 100 150 25 45 110 5
- Screen at the xlr end this second option will make 5
- Should a monitor fail to switch on when the power switch is 5
- Signal earths hum problems resulting from unbalanced 5
- Small flat blade screwdriver th efuse and inspect it for damage if remove 5
- Switches on the monitor when switched on the indicator 5
- Territory should be connected here ensure that the mains voltage specified on 5
- The source the reference signal earth 5
- The supplied mains power lead appropriate to the local 5
- Unbalanced xlr to phono or two pole jack 5
- 79 strand cable of smaller cross sectional area or fewer 6
- A 2 mm minimum cross sectional area per conductor 6
- A m p l i f i c a t i o n 6
- A significantly heavier gauge cable consult your dealer or 6
- Acoustic axis 5 below º mid range driver 6
- Amplifier of relatively high power capabilities use of an 6
- Auditioned carefully to establish that their characteristic 6
- C o n n e c t i o n 6
- Connection panel are connected back to the corresponding 6
- Consider the following when selecting the amplifier 6
- Consultant for specific cable recommendations 6
- Dispersion will ruthlessly reveal deficiencies in ancillary 6
- Distance l distance c distance r distance ls distance lr distance rr 6
- Distorted at high levels and may risk damage valve or solid 6
- Distortion performance also combined with very wide 6
- Ensure that the positive and negative terminals on each 6
- Equipment it is advisable therefore to audition the monitors 6
- Extended low frequency response means that its sensitivity 6
- Extremely low distortion at all levels but also a greatly 6
- For 5 systems position the surround speakers between 110 and 150 degrees 6
- For more details on setting up surround playback or monitoring systems 6
- Have significant influence on the performance of the system 6
- I n s t a l l a t i o n 6
- If ideal positioning is not possible position loudspeakers as close as possible 6
- Is relatively low it is advisable therefore to select an 6
- Low frequency extension and sensitivity the monitors 6
- Mid driver and tweeter remove the linking bars between 6
- Of the tri wire facility 6
- Or 4mm plugs always use good quality speaker cable with 6
- Panel to enable separate amplification of the bass driver 6
- Passive monitors 6
- Please contact you dealer or atc direct 6
- Positive and negative terminals on the amplifier 6
- Reduced damping at low frequencies is acceptable 6
- Scm 50 100 150 25 45 110 6
- State amplifiers with high output impedance should be 6
- Strands is unsuitable for cable runs longer than 10m use 6
- Thanks in part to super linear technology and underhung 6
- The choice of partnering amplifier for the monitors will 6
- The monitors are equipped with a tri wire connection 6
- The terminals can accomadate either stripped cable ends 6
- The three pairs of terminals if you wish to take advantage 6
- To ideal 6
- Under specified amplifier will result in the system sounding 6
- Voice coil construction the monitors not only demonstrate 6
- Way systems 6
- With any passive loudspeaker there is a trade off between 6
- With your proposed amplifier and ancillary system 6
- 6db 0db ref 7
- Apparaten skall anslutas till jordat uttag 7
- Apparatet må tilkoples jordet stikkontakt 7
- Balanced input 7
- Bass boost 7
- Can only be safely used in non tropical weather can only be safely used lower than 2 000 metres altitude 7
- Designed and manufactured by acoustic transducer company gloucestershire gl6 8hr england 7
- Diagram 4 connection and control panel scm25a and scm45a pro 7
- Diagram connection and control panel 5 scm50 100 110 150 7
- I n s t a l l a t i o n 7
- Input sensitivity full output 7
- Laite on liitettävä suojakoskettimilla varustettuun pistorasiaan 7
- Model voltage 7
- No user serviceable parts inside 7
- Return to manufacturer for disposal 7
- Scm 50 100 150 25 45 110 7
- Serial no 7
- V 8 dbu 1v 2 dbu ref 7
- Voltage 7
- Active monitors 8
- Amplifier output lf continous mf continous hf continous 8
- Amplitude linearity 2db 8
- Bass boost 40hz continously variable 8
- Cabinet finishes 8
- Classic 8
- Crossover frequencies 8
- Cut off frequencies 6db free standing 8
- Dispersion horizontal vertical 8
- Drivers 8
- Hf mf lf 8
- Hxwxd in 8
- Hxwxd mm 8
- Input connector 8
- Input impedance 8
- Input sensitivity 8
- K ohms per leg 8
- Loudspeaker dimensions 8
- Matched response 8
- Max continuous spl 1metre 8
- Overallweight 8
- Overload protection 8
- Power requirements voltage frequency 8
- S p e c i f i c a t i o n s 8
- Scm 50 100 150 25 45 110 8
- Sensitivity trim 8
- Stands brackets 8
- All atc products are guaranteed against any defect in 9
- And with a little care can be kept as good as new even under conditions of heavy 9
- Atc can be contacted at 9
- C a re a n d m a i n t e n a n c e 9
- Date of purchase this guarantee does not limit 9
- Db 1 88db 9
- Down stroud gloucestershire gl6 8hr uk 9
- Email info atc gb net 9
- Extended up to a period of six years from the 9
- Fax 01285 760683 9
- From th date of purchase within this period e we will 9
- Household cleaner 9
- Input connector binding posts 4mm sockets tri wire capable 9
- Loudspeaker technology ltd gypsy lane aston 9
- Materials or workmanship for a period of two years 9
- Negligence 9
- Nominal impedance 8 ohms 9
- Of any malfunction repair should be referred to either the supplying dealer or 9
- Of each product that it manufactures 9
- Or that would benefit from regular maintenance there is no requirement for any 9
- Passive monitors 9
- Purchasers who complete and return the 9
- Recommended power amplifier 100 1500 watts 9
- Scm 50 100 150 25 110 9
- Sensitivity 1 watt metre 85db 9
- Statutory rights 9
- Supply replacement parts free of charge provided that 9
- Telephone 01285 760561 9
- The failure was not caused by misuse accident or 9
- There are no user replaceable parts within the speaker and in the unfortunate event 9
- Use normally a dry duster will be all that is required to keep the finishes clean 9
- Wa r r a n t y a n d c o n t a c t 9
- Warranty card will have their warranty period 9
- Website www atc gb net 9
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