Installation Guide

MTC-SBT300

Installation Instructions

Remove screws from back plate of Control

SB2210 cabinet. Keep all parts for re-

assembly.

Remove back plate from enclosure

Place back plate on ﬂat surface face down

WIRE LABELLING IN DIAGRAMS

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

PAGE 1
MTC-SBT300 Installation Instructions 1 2 Remove screws from back plate of Control SB2210 cabinet. Keep all parts for reassembly.
PAGE 2
4 5 Unplug multi-pin connector from PC board as shown above. Mount transformer on posts, attach with included star washers and nuts and tighten. 6 7 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.
PAGE 3
8 Remove red wire (A) from input PC board as shown in above drawing. 10 Unplug connector attached to the end of the red wire (A) and black wire (B) from the PC board and set aside. This cable connection is no longer needed for use with the transformer. 9 9 Place wire from transformer primary (F, G, H, or I) that corresponds to the desired wattage needed to tap (see chart of values on page 1) to the now open former location of the red wire (A).
PAGE 4
WIRE LABELLING IN DIAGRAMS 12 ORIGINAL WIRES (Being Removed) A – RED B - BLACK TRANSFORMER SECONDARY (Output to Speakers) C – GREEN “+” Output D – YELLOW “-” Output TRANSFORMER PRIMARY (From Input Terminals) E – BLACK Common F – BLUE Use for 300W@70V, N/C@100V G – RED Use for 150W@70V, 300W@100V H – YELLOW Use for 75W@70V, 150W@100V I – ORANGE Use for 37W@70V, 75W@100V Reattach large multi-pin connector from the (2) woofers to the PC board as shown in above drawing.