Copyright © 2020 Martin Audio Ltd. 14
DDX USER GUIDE V1.0
DDX USER GUIDE
First and Second Stage Fixing
Construction industry practice favours first and second fixing stages. This system gives installers the advantage of being able to pull cables
and make primary fixings at an earlier stage of building completion and avoids the potential problems of leaving expensive and delicate
audio equipment in-situ while building and decoration work is still ongoing.
All DDX Series wall brackets disassemble into separate first fix and second fix components. This means that part of the bracket may be
secured to the wall or ceiling at first fix, without the necessity of having the cabinet on site. The rest of the bracket can then be fitted to
the cabinet at floor level at second fix and then the two parts of the bracket easily mated.
The two fixing stages may be summarised as follows.
First Stage Fixing
Attach first fix sections of wall brackets at desired locations. Run loudspeaker cables to loudspeaker locations, using cable access holes
provided in brackets.
Important information: Consult a qualified structural engineer with a full knowledge of the building, its load ratings and your intended
loudspeaker installation plans before commencing any installation. The type and size of fixings used must take into account both the
weight of the enclosure and the construction of the wall or ceiling.
Second Stage Fixing
Attach second fix sections of brackets to rear of cabinets. Raise cabinets to height and mate with first fix bracket sections. Adjust pan and/
or tilt as required.
Important information: In some cases, local regulations may require a safety bond (e.g. wire or chain) to form part of the final fix. The
complete installation should be checked and approved by a qualified structural engineer and a qualified electrical safety consultant before
being signed off.
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