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ATC SCM150SL PRO [3/10] Scm 50 100 150 25 110 scm 50 100 150 25 110
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Welcome. In selecting ATC you have chosen an
example of the finest audio engineering
available. ATC was founded on a principle of
engineering excellence, and that principle still
defines our products today. Given the right
opportunities, ATC products will deliver
exceptional audio performance, but the
opportunities will only arise from careful and
thoughtful installation and use. Please read the
following manual fully. It will help you
understand the product and to realise its full
potential. We are happy to answer questions
and offer advice on any issues that arise
through installation or use of ATC products.
Contact details can be found at the back of this
manual.
ATC was founded in London in 1974 by Australian emigre Bill Woodman, who still
heads the company today. An enthusiastic pianist and engineer he was naturally
drawn to loudspeaker design and after a period working at Goodmans, where many
of the names that went on to found British loudspeaker companies began their
careers, he struck out on his own.The premise on which ATC began is a simple one,
and one that in many respects is still true today: hi-fi loudspeakers tend to be
detailed and accurate but of limited dynamic range, while professional monitor
speakers tend to express the opposite character. ATC products were designed from
the outset to offer the best of both. It’s an easy concept to describe, but surprisingly
difficult to engineer.
The difficulty inherent in designing such loudspeakers is one of scale. Hi-fi levels of
accuracy and detail call for lightweight moving parts and delicate engineering.
Professional monitor levels of performance however demand far more robust
components 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 aerospace or motorsport. But the results are
worth the effort and the cost. ATC loudspeakers, with their unique in-house
designed drivers, combine the best of hi-fi and professional to devastating effect.
ATC has become synonymous with active systems. Choosing to offer active
loudspeakers (where the passive crossover network is replaced by active filters and
multiple power amplifiers) is simply a result of the uncompromising attitude to
loudspeaker design.While passive systems still have their place, and ATC engineering
skills can still bring remarkable results from them,“active” is a fundamentally better
solution to the problems posed by accurate, high level music reproduction.The ATC
instinct is always for the better solution. Not cheaper, not quicker, but better.
It was the development of active loudspeakers that first brought ATC into
electronics design and engineering. Active speakers demand multiple power
amplifiers so ATC from the mid 1980s became not just a loudspeaker manufacturing
company but an electronics manufacturer too.The further step from electronics for
active speakers to a range of stand-alone amplifier products was natural and now
means that ATC engineering is available from the recording desk or CD player
output to the ears.
From modest beginnings ATC has grown to become one of the very few
manufacturers successful across both domestic and professional audio. By selecting
ATC you join a group of music lovers, professional audio engineers, studios and
musicians across the World that understand and value the engineering that goes into
an ATC product - and the sound that comes out.
I n t r o d u c t i o n
2
SCM 50/100/ 15025/ 110/
SCM 50/100/ 15025/ 110/
SCM 50/100/ 15025/45/ 110/
C o n t e n t s
Section Unpacking and Handling2
Section Monitor Placement3
Section Signal Cable Options5
Section 1 Description
Page 2
Page 3
Page 4
Page 5
Page 7
Page 8
Introduction
Active Monitors
Section Listening4
Passive Monitors
Section Connection7
Section Operation6
Specifications
Section Amplification9
Section Connection8
Section 11
Section 10
Care and Maintenance
Warranty and Contact
Page 6
Connections and controls
Specifications
Active Monitors
Passive Monitors
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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