MZC-88 Installation Instructions Page 37
SpeakerCra ft
®
FUSE 6 AMP
AC 120V 60HZ
SPEAKERS B
MAIN
INPUT
+ LEFT --
LEFTLEFT
RIGHT RIGHT
CASCAD E
OUTPUT
-- RIGHT +
SPEAKERS A
+ LEFT -- -- RIGHT +
Riverside, California, USA
SERIAL NUMBER
Model BB2125 St ereo Amplifier
AU DIO SENSE
3-30V A/C D/C
TRIGGER
INPUT
3-30V A/C D/C
TRIGGER
INPUT
12V
CONTRO L
OUTPUT
CO NST ANT
MZC-88
BB2125
PS-1.0 200mA Power Supply
To Unswitched Outlet
Black Wire (GND)
White Striped
Wire (+12V)
Contact Closure Pair 1
RCA-RCA Stereo Patch Cable
Zone L&R Line-Level
Audio Pre-Out
28-12AWG
Two-Conductor
Stranded Wire
12 Volt
Trigger Input
Zone Amplifier
L&R Line-Level
Audio Input
Zone Speakers
SpeakerCraft
MT8 Four
Zone Amplifier
L&R Speaker Level
Output
18-14AWG
Two-Conductor
Speaker Wire
Zone VC/NVC Switch
10
Figure 20
Adding an External High-Power Amplifier
12V TRIGGER (SYSTEM ACTIVITY)
1. Connect a 3.5mm mini-mini plug wire to the MZC-88 COMMON STATUS OUT.
2. If using a SpeakerCraft BB2125, plug the other end into the Trigger Input jack. Switch the ‘Audio Sense/Trigger/Constant’
Switch to TRIGGER INPUT.
3. If using another brand of amplifier, terminate the external amplifier end as appropriate. Be sure to maintain proper polar-
ity.