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Mackie SRM450v3 [18/20] Srm450 block diagram
![Mackie SRM450v3 [18/20] Srm450 block diagram](/views2/1989810/page18/bg12.png)
18
SRM450 BLOCK DIAGRAM
INPUT
THRU
2
3
1
2
J15
3
1
HI-PASS
LOW CUT CONTOUR
COMPRESSOR
THRESHOLD
COMPRESSOR
SWEEPING
FILTER
LO-PASSDELAY
176uS
HI-FREQ
40-120 Hz
LO-FREQUENCY
DRIVER
TWEET
LO-FREQ
AMP
HI-FREQ
AMP
SENSE
RESISTOR
BASS CONTROL SERVO LOOP
WOOF
PEAK
LIGHT
PEAK
DETECTION
MACKIE
SRM450
BLOCK DIAGRAM
(#060322SEDF)
THRESHOLD
LPF
THRESHOLD
+
–
MID VDC
+
–
LO VDC
+
–
HI VDC
TOROIDAL POWER
TRANSFORMER
FUSE
POWER
SWITCH
ON
OFF
+15VDC
SIGNAL
SENSE
SIGNAL
SENSE
MUTE
ON/OFF
CONTROL
MUTE
MUTE
POWER
LEDS
THERMAL
LED
THERMAL
SWITCH
LOW AC
VOLTS SENSE
TIMED
TURNOFF
SIGNAL
LED
Содержание
- Caution avis 2
- Portable cart warning 2
- Safety instructions 2
- According to osha any exposure in excess of these permissible limits could result in some hearing loss to ensure against potentially dangerous exposure to high sound pressure levels it is recommend ed that all persons exposed to equipment capable of producing these levels use hearing protectors while this unit is in operation ear plugs or protectors in the ear canals or over the ears must be worn when operating this amplification system in order to prevent a permanent hearing loss if exposure is in excess of the limits set forth here 3
- Contents 3
- Don t forget to visit our website at www mackie com 3
- Duration per day sound level dba typical in hours slow response example 8 90 duo in small club 6 92 4 95 subway train 3 97 2 100 very loud classical music 1 102 1 105 tami screaming at adrian about deadlines 0 110 0 5 or less 115 loudest parts at a rock concert 3
- Exposure to extremely high noise levels may cause permanent hear ing loss individuals vary considerably in susceptibility to noise in duced hearing loss but nearly everyone will lose some hearing if exposed to sufficiently intense noise for a period of time the u s government s occupational safety and health administration osha has speci fied the permissible noise level exposures shown in this chart 3
- For more information about this and other mackie products 3
- Lend me your ears 3
- The srm450 can produce a maximum spl of 127 db 1m 3
- Introduction 4
- Hookup diagrams 6
- Quick start 6
- Srm450 stereo operation with a mixer and using the thru jack 6
- Dynamic microphone 7
- For microphone connections you can daisy chain up to two srm450s using the thru jacks as shown take great care to point any micro phones away from the srm450s otherwise you may get feedback 7
- Srm450 biamping with a powered subwoofer 7
- Srm450 using a microphone and the thru jack 7
- The srm450 can be used with a mackie swa1501 or swa1801 subwoofer to create an in credibly powerful system the active crossover inside the swa1501 splits the full range input signal into two ranges the swa1501 plays the low frequency range through its 500 watt ampli fier and 15 inch woofer and sends the high pass range to the srm450 the srm450 can be pole mounted on top of the swa1501 as shown saving the cost of a tripod stand 7
- Thru output 7
- Rear panel description 8
- Connections 10
- Placement 10
- Room acoustics 10
- Both sides back 11
- Bottom top 11
- Pole mount 11
- Rigging 11
- Rigging points 11
- Ac power considerations 12
- Thermal considerations 12
- Srm450 ac connections 13
- Service information 14
- Troubleshooting 14
- Warranty service 14
- Big print 16
- Care and maintenance 16
- Repair 16
- Construction features 17
- Control system function 17
- Disclaimer 17
- Line input power 17
- Options 17
- Physical properties 17
- Power amplifiers 17
- Safety features 17
- Srm450 specifications 17
- System specifications 17
- Transducers 17
- Mackie srm450 block diagram 060322sedf 18
- Srm450 block diagram 18
- Please keep your sales receipt in a safe place 19
- Srm450 limited warranty 19
- Loud technologies inc 20
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