MACKIE HRS120 - Manual (Page 15)

15
TECHNICAL INFORMATION
HRS120 Block Diagram
2 3
1
RIGHT
LINE INPUT
2 3
1
LEFT/MONO LINE INPUT
CR
OSSOVER FREQ
CR
OSSOVER FREQ
FIL
TER
SELECT
FIL
TER
BYP
ASS
55Hz-110Hz
24 dB/OCT LINKWITZ-RILEY
CENTER P
O
SITION (80Hz) FOR THX
110Hz
42 dB/OCT ELLIP
TIC
AL
LPF (FOR A
C-3/DT
S )
15Hz
18 dB/OCT
BUT
TERWOR
TH
LPF
A B CTL
OUT
A B CTL
OUT
A B CTL
OUT
2 3
1
LEFT/MONO LINE OUTPUT
2 3
1
RIGHT
LINE OUTPUT
55Hz-110Hz
FIL
TER IN
SUBSONIC
FIL
TER
LFE GAIN
15Hz
FLA
T (
THX)
+10 dB
A v = 10 dB
0 dB (
THX)
P OLARIT
Y
COMPRESSOR
A
CE-B
ASS EQ P OWER
AMPLIFIER
INPUT
SENSITIVIT
Y
(CW = THX)
180º 0º (
THX)
IN
OUT
P OWER SUPPL
Y TRA
CKING/
PEAK P
OWER LIMITER
FA
S T A
TT
A CK/SL
OW RELEASE
FULL RANGE
(THX)
110Hz
ELLIP
TIC
AL
+70V +60V –60V –70V
SENSE RESIS
TO
R
SUBWOOFER
2 3
1
MAS
TER
OUTPUT
2 3
1
SLA
VE
INPUT
SUBWOOFER
BYP
ASS
FOO
TSWIT
CH NO
TE: WHEN USED AS A SLA
VE,
THE MAS
TER OUTPUT OF THE FIR
S T
SUB DRIVES THIS INPUT
.
"P
OLARIT
Y" AND "INPUT SENSITIVIT
Y"
ONL
Y ARE A
CTIVE ON THIS INPUT
.
OPEN =
HPF FR
OM CR
OSSOVER A
T LEFT AND RIGHT OUTPUT
S
SUBWOOFER A
CTIVE
REMO
TE INDIC
A TOR SWIT
CH OPEN
CL
OSED =
FULL
-RANGE SIGNAL FR
OM INPUT
S A
T LEFT AND RIGHT OUTPUT
S
SUBWOOFER MUTED REMO
TE INDIC
A TOR SWIT
CH CL
OSED
FUSE
SUBWOOFER
BYP
ASS
REMO
TE
INDIC
A
TOR
CL
OSED WHEN SUBWOOFER IS MUTED
MAXIMUM
VO
LT A GE ALL
OWED A
C R OSS
OPEN CONT
A C TS
= 24V
MAXIMUM CURRENT ALL
OWED THR
OUGH
CL
OSED SWIT
CH = 1A
THE P
O TENTIAL ON THESE TERMINALS MUS
T BE
FL
O A TING OR REFERENCED T
O S
AFET
Y GR
OUND
SUB
BYP
ASSED
+5V
P OWER
INPUT SIGNAL DETECT
OR
WHEN SIGNAL IS PRESENT THE OUTPUT IS A
CTIVE.
OUTPUT REMAINS A
CTIVE FOR SEVERAL MINUTES AFTER
SIGNAL IS REMOVED
.
OUTPUT IS INA
CTIVE WHEN NO SIGNAL IS PRESENT AND
BECOMES A
CTIVE AFTER SIGNAL RETURNS.
IN
OUT
MA
CKIE DESIGNS
HR
S120 THX
BL
OCK DIA
GRAM
(#110501DF)