JBL MTC-SBT300 Installation Guide

MTC-SBT300

Remove screws from back plate of Control

Remove back plate from enclosure
Place back plate on flat surface face down

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WIRE LABELLING IN DIAGRAMS

Installation Instructions

SB2210 cabinet. Keep all parts for re-

assembly.

ORIGINAL WIRES (Being Removed)
A – RED
B - BLACK

TRANSFORMER SECONDARY (Output to Speakers)
C – YELLOW “+” Output
D – GREEN “-” Output

TRANSFORMER PRIMARY (From Input Terminals)
E – BLACK Common
F – RED Use for 300W@70V, N/C@100V
G – BLUE Use for 150W@70V, 300W@100V
H – YELLOW Use for 75W@70V, 150W@100V
I – ORANGE Use for 37W@70V, 75W@100V

MULTI-CABLE TO SPEAKER DRIVERS

J – GREEN
K – WHITE
L – RED
M - BLACK

Unplug multi-pin connector from PC board as shown

above.

Mount transformer on posts, attach with included

star washers and nuts and tighten.

Remove black wire (B) from input PC board as shown

in above drawing.

Connect black wire (E - common) from transformer to the

open former location of black wire (B) as in above drawing.

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