Bose EdgeMax EM90 Service Manual

14
Disassembly Procedure
7. Transformer and Switch Assembly
Removal
7.1 Refer to procedures 1 and 2.
7.2 Remove the four T20 Torx screws
securing the metal plate to the baffl e
assembly as shown by red arrows in fi gure
25.
Figure 25
Figure 26
7.3 After removing the four screws, carefully
lift out the transformer and it place off to the
side as shown in fi gure 26.
Figure 27
Figure 28
7.5 Figure 28, shows the rotary switch knob
as indicated by the red arrow. use a small
fl at bladed, non abrasive pry tool to remove
the knob exposing the half inch nut that
secures the rotary switch to the baffl e.
7.4 Figure 27 shows the rotary switch wiring,
included in this assembly will be the switch,
transformer and wiring harness.

Bose EdgeMax EM90 Specifications

General

Product color	White
Recommended usage	-
Woofer	Yes
Number of drivers	1
Speaker placement	In-wall/in-ceiling
Audio output channels	- channels
Woofer diameter (imperial)	8 \
Impedance	8 Ω
Sensitivity	96 dB
Frequency range	45 - 20000 Hz
RMS rated power	125 W
Peak Music Power Output (PMPO)	500 W
Connectivity technology	Wired
Speaker width	339 mm
Speaker height	249 mm

Weight and Dimensions

Width	390 mm
Height	13 mm
Weight	10100 g