There is an age old debate about break in periods, and if they are required at all. In my opinion (key phrase), all equipment requires a break in period. The amount of time varies by piece. Speakers are perhaps the pieces requiring, and will benefit the most. I would estimate that approx 5+ hours of background music volume levels will adequately acheive this. Do not get heavy handed with the volume control until after this initial period.
One thing to look for before hand is condition of the speakers. The AX line had a less rigid surround than todays Axioms. I have a pair of AX 3's and I had to replace the drivers, as the surrounds separated from the cones. This was during use, and was a gradual thing. Luckily they (AX lines came with a "Lifetime Warranty", and Axiom replaced the drivers at no cost. If memory serves, there were 2 modelsof AX 1.5, a bookshelf, and a regular model. The height was about 4-5 inches less for the bookshelf, but I beleive they used the same components.
Regards,
BBIBH
