The specification below provides the recommended improvements needed to improve product durability. They are ranked from bronze to gold based on the effectiveness of the change in improving durability, with bronze being the minimum and gold being the maximum.
Better design and manufacture
Sound PCB to IPC610E / IPC-J-STD-001; QC testing
Ask for clear evidence of meeting the requirements listed above, e.g.
Improved reliability of components can reduce early returns and improve brand reputation which, in turn, can lower business costs and increase long-term sales.
To calculate overall cost savings for your business, use the WRAP cost/benefit analysis tool (currently in draft form and available on request).
Specifying better materials in speaker casing
Small changes to mouldings and material specification should only add a few pence or tens of pence, assuming tooling change is minimal.
Rigid mounting on anti vibration mounts to be used (e.g. rubber grommets)
The rubber mounts themselves would be very low cost (pence per unit). The significant cost could be in allowing the fitting in a revised moulding with associated tooling costs.
Surface mount technology
The use of surface mounted components could add a significant cost depending on the volumes made and production techniques available in the factory of choice.
Speaker/PCB testing and inspection
Any testing and inspection will add a small amount of cost in terms of rig time and labour costs.