Mackie FAST RECOVERY M-1400, Руководство по обслуживанию

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M•1200/M•1400 SERVIC E MANUAL
SPEC IFIC ATIO NS
6
SPEC IFIC ATIO NS
C O NTINUO US AVERAG E O UTPUT
PO WER, BO TH C HANNELS DRIVEN:
M• 1200
225 w a tts p e r c ha nne l into 8 o hm s fro m 20Hz to
20kHz, w ith no m o re tha n 0.025% THD
400 w a tts p e r c ha nne l into 4 o hm s fro m 20Hz to
20kHz, w ith no m o re tha n 0.050% THD
600 w a tts p e r c ha nne l into 2 o hm s fro m 20Hz to
20kHz, w ith no m o re tha n 0.095% THD
Bridg e d m o no o pe ra tio n:
800 w a tts into 8 o hm s fro m 20Hz to 20kHz, w ith
no m o re tha n 0.050% THD
1200 w a tts into 4 o hm s fro m 20Hz to 20kHz, w ith
no m o re tha n 0.095% THD
Ma xim um Po we r a t 1% THD:
250 w a tts p e r c ha nne l into 8 o hm s
425 w a tts p e r c ha nne l into 4 o hm s
640 w a tts p e r c ha nne l into 2 o hm s
850 w a tts into 8 o hm s b rid g e d
1280 w a tts into 4 o hm s b rid g e d
M•1400 / M•1400i
250 w a tts p e r c ha nne l into 8 o hm s fro m 20Hz to
20kHz, w ith no m o re tha n 0.012% THD
425 w a tts p e r c ha nne l into 4 o hm s fro m 20Hz to
20kHz, w ith no m o re tha n 0.025% THD
630 w a tts p e r c ha nne l into 2 o hm s fro m 20Hz to
20kHz, w ith no m o re tha n 0.050% THD
Brid g e d m o no o p e ra tio n:
850 w a tts into 8 o hm s fro m 20Hz to 20kHz, w ith
no m o re tha n 0.025% THD
1260 w a tts into 4 o hm s fro m 20Hz to 20kHz, w ith
no m o re tha n 0.050% THD
Ma xim um Po we r a t 1% THD:
300 w a tts p e r c ha nne l into 8 o hm s
500 w a tts p e r c ha nne l into 4 o hm s
700 w a tts p e r c ha nne l into 2 o hm s
1000 w a tts into 8 o hm s b rid g e d
1400 w a tts into 4 o hm s b rid g e d
No te
: Po w e r ra ting s a re sp e c ifie d a t
120VAC (U.S. a nd C a na d a ) a nd 240VAC
(Exp o rt) line vo lta g e s.
The M•1200/ M•1400 p o w e r a m p lifie rs d ra w
la rg e a m o unts o f c urre nt fro m the AC line w ith
c o ntinuo us sine w a ve te sting . Ac c ura te
m e a sure m e nt o f p o w e r re q uire s a ste a d y a nd
sta b le AC sup p ly. This m e a ns the line
im p e d a nc e m ust b e ve ry lo w to insure tha t the
p e a k AC line vo lta g e d o e s no t sa g to le ss tha n
97% o f its va lue .
If d riving hig hly re a c tive lo a d s, w e re c o m m e nd
tha t the lim ite r c irc uit b e e ng a g e d .
PO WER BANDWIDTH:
20Hz to 70kHz (+0, –3 d B)
FREQ UENC Y RESPO NSE:
20Hz to 40kHz (+0, –1 d B)
10Hz to 70kHz (+0, –3 d B)
DISTO RTIO N:
THD, SMPTE IMD, TIM < 0.025% @ 8
Ω
< 0.050% @ 4
Ω
< 0.150% @ 2
Ω
SIG NAL-TO -NO ISE RATIO :
> 107 d B b e lo w ra te d p o w e r into 4 o hm s
C HANNEL SEPARATIO N:
> 80 d B @ 1kHz
DAMPING FAC TO R:
350 m inim um
INPUT IMPEDANC E:
20k b a la nc e d b rid g ing
INPUT SENSITIVITY:
1.23 vo lts (+4 d Bu) fo r ra te d p o w e r into 4 o hm s
G AIN:
30.25 d B (32.5V/ V)
MAXIMUM INPUT LEVEL:
9.75 vo lts (+22 d Bu)