Part 2 of 4 GP7/9 upper speaker mounting plate

2 of 4 parts to build the upper speaker enclose to mount a Visaton FRS 5 in a G scale USA trains GP7/9. This is the mounting plate for the FRS 5 speaker. the magnet is inserted into the hole and the speaker flange is going to sit in the recessed mounting groove. mount the speaker with 3mm x 6mm thread forming screws .The speaker wires must be installed at this point. Next mount the enclose wall section (part 3 of 4) using 3mm x 6mm thread forming screws. finally line up the speaker plate and the