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SCM200

SCM300

P4

User Manual: SCM200ASL • SCM300ASL

P4 POWER AMPLIFIER

M U LT I

C H A N N E L

A C O U S T I C

E N G I N E E R S

®

Summary of Contents for P4

Page 1: ...SCM200 SCM300 P4 User Manual SCM200ASL SCM300ASL P4 POWER AMPLIFIER MULTICHANNEL A C O U S T I C E N G I N E E R S ...

Page 2: ...nstructions 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 Unatt...

Page 3: ...ten 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 ...

Page 4: ...the amplifier is in standby mode until the heatsink temperature has dropped to approximately 20 C When a P4 is switched from standby to active operation a mild thump may be heard from the unit as the main power transformer energises In order to avoid excessive in rush current if multiple P4s are connected to a single power outlet it is recommended that they are switched to active mode sequentially...

Page 5: ...ustrated in Diagram 1 Custom made 5 metre speaker cables and plugs are supplied as standard with the P4 Speaker cables of up to 10 metres are available Runs up to 20 metres may be made up by splicing heavier gauge 4mm2 cable to 10 metre lengths The splice point should be 0 5 metres before the connector The 8 pin speaker connector scheme is illustrated in Diagram 2 6 S i g n a l C a b l e O p t i o...

Page 6: ...in 5 5 Volts on any error including drive limit Note Pins 3 4 and 5 have a series resistance of 240 Ohms and allow sensing or drive of LED s only 5 O p e r a t i o n Diagram 5 remote interface Pin Connection 1 0 Volt 2 Standby control 3 Powered up out 4 Standby out 5 Error out 8 S t a r t U p Once the P4 and monitors are installed and all connections are made the system can be switched on Switch o...

Page 7: ...ed sound The SCM200 and 300 like all ATC monitors demonstrates very much lower levels of distortion than conventional systems of a similar size and it is therefore advisable to begin listening at an artificially low level and carefully increase the volume It is also possible for the SCM200 or 300 to produce sufficient sound pressure levels for your ears themselves to become a source of distortion ...

Page 8: ...Standard No 219 1975 ATC reserves the right to vary products and specifications without prior notice Acoustic Transducer Co is a trading name and ATC is the registered trade mark of Loudspeaker Technology Ltd SCM200ASL SCM300ASL P4 S p e c i f i c a t i o n s Amplifier Output LF1 275 Watts RMS into 8 Ohms LF2 275 Watts RMS into 8 Ohms MF 200 Watts RMS into 16 Ohms HF 100 Watts RMS into 6 Ohms Inpu...

Page 9: ...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 01285 760561 Fax 01285 760683 Email info atc gb net Website www atc gb net ...

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