Mackie HRS150 HRS150 Block Diagram

TECHNICAL INFORMATION

HRS150 Block Diagram

LEFT/MONO	LINEOUTPUT	RIGHT	LINEOUTPUT	SUBWOOFER
2 1	3	2 1	3

+100V +90V +15V				–15V	–90V –100V	SENSE RESISTOR
POWER	AMPLIFIER				OUT IN	ACE-BASSEQ
INPUT	SENSITIVITY	(CW=THX)	COMPRESSOR	POWERSUPPLYTRACKING/ PEAKPOWERLIMITER	FASTATTACK/SLOWRELEASE
	POLARITY	0º(THX)	180º

OUT	OUT	OUT
A B CTL	A B CTL	A B CTL

						LFE	GAIN		dB(THX)	+10dB
									0
						SUBSONIC				Av = 10 dB
								FILTER	FLAT(THX)	15Hz
						15Hz		18dB/OCT	BUTTERWORTH LPF
			FILTER	BYPASS	FILTERIN		FULLRANGE (THX)
			FILTER	SELECT	55Hz-110Hz	110Hz	ELLIPTICAL
CROSSOVER FREQ	55Hz-110Hz 24dB/OCTLINKWITZ-RILEY	CENTERPOSITION(80Hz)FORTHX	CROSSOVER FREQ							110Hz 42dB/OCTELLIPTICAL	LPF (FOR AC-3/DTS)

2	3	2	3	2	3
1		1		1
LEFT/MONO	LINEINPUT	RIGHT	LINEINPUT	SLAVE	INPUT

MASTER	OUTPUT
1
2	3

+5V

POWER
SIGNALDETECTOR	IN OUT
INPUT

NOTE:WHENUSEDASASLAVE, THEMASTEROUTPUTOFTHEFIRST SUBDRIVESTHISINPUT. "POLARITY"AND"INPUTSENSITIVITY" ONLYAREACTIVEONTHISINPUT.

SUBWOOFER BYPASS REMOTE INDICATOR

CLOSEDWHENSUBWOOFERISMUTED MAXIMUMVOLTAGEALLOWEDACROSS OPENCONTACTS=24V MAXIMUMCURRENTALLOWEDTHROUGH CLOSEDSWITCH=1A THEPOTENTIALONTHESETERMINALSMUSTBE FLOATINGORREFERENCEDTOSAFETYGROUND

FUSE

BYPASSED

SUB

WHENSIGNALISPRESENTTHEOUTPUTISACTIVE.	OUTPUTREMAINSACTIVEFORSEVERALMINUTESAFTER SIGNALISREMOVED.	OUTPUTISINACTIVEWHENNOSIGNALISPRESENTAND BECOMESACTIVEAFTERSIGNALRETURNS.	OUTPUTS	ANDRIGHTOUTPUTS
			HPFFROMCROSSOVERATLEFTANDRIGHT SUBWOOFERACTIVE REMOTEINDICATORSWITCHOPEN	FULL-RANGESIGNALFROMINPUTSATLEFT SUBWOOFERMUTED REMOTEINDICATORSWITCHCLOSED
			OPEN=	CLOSED=

SUBWOOFER BYPASS FOOTSWITCH

MACKIE DESIGNS HRS150 THX BLOCK DIAGRAM (#061702JW)

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