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MT–BB
Fig. 1.1 MT-BB
Fig. 1.3 Unbalanced Input Wiring
MT-BB
–
+
–
+
C H - 2 I N P U T
C H - 1 I N P U T
1 Welcome
The
MT–BB Accessory Panel is de-
signed to give your
Micro-Tech
®
,
Power Base or CSL
™
amplifier barrier
block type inputs for permanent
installatons. Installing it requires the
access of the top side of the Main Cir-
cuit Board and should only be at-
tempted by a qualified technician.
The barrier block connector is wired
as follows:
–
Negative Input
(inverting)
Signal Ground
+
Positive Input (non-
inverting)
Both balanced and unbalanced input
wiring are shown in Figures 1.2 and
1.3 opposite. Please note the jumper
between pins 1 and 3 when connect-
ing an unbalanced line to the input.
–
+
–
+
C H - 2 I N P U T
C H - 1 I N P U T
Fig. 1.2 Balanced Input Wiring
–
+
–
+
C H - 2 I N P U T
C H - 1 I N P U T
