APOGEE ACOUSTICS Full Range Ribbon Speaker System, Owner'S Manual And Assembly Instructions

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(9) Attach base plate to woofer.
a) Use the T-Handle wrench and 1/2" long 1/4-20 Flat Head Socket
Screws, and secure base plate to woofer of speaker using 8
screws. The base plate is oriented as shown in FIG. 3 and 4
with the bottom of the base plate seen from the right speaker
position. The mounting holes for the transformer are behind
the speaker.
b) Align holes with the Drift Punch. Two people are needed, one
to hold base plate, the other to start screws. Start all eight
screws 2-3 turns each and then tighten uniformly.
(10) Attach right transformer box to the base plate. a) Orient the
right transformer box (woofer plate on lower left when viewing
transformer box so that nameplate reads upright.) See FIG. 6. b)
Secure with 1/2" long 10-32 flat head cap screws at each of four
corners. Start all the screws 2-3 turns and then uniformly tighten
each screw.
(11) Attach back brace.
a) Remove back brace from plastic bag.
b) Bolt it to the speaker using a 2¼" long 1/4-20 socket head
bolt.
c) Bolt it to the base plate using a 1/4-20 by half inch flat head
bolt.
d) Attach the leveler bolt to base of MRT. Turn all the way in and
then adjust to level speaker.
CAUTION!! Do not lift or move speaker unless back brace is securely
bolted in position.
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