Cost? It's a lifetime of tripping out on an addition or upgrade. How do I estimate the cost of custom built Altec MLTL speakers? FWIW, I'm tri-amping right now and just upgraded my active crossover but do you want the cost of the other two I have, the equalizers I don't use and the amps that are in rotation? Ball park would be $1500 for the electronics and $1500 for the speakers. I'm about to make a custom rack using chunks of marble and some wood. I'd have to pay a guy $200 to carry it in the house and assemble. The slabs were free but my sawing must have a price, impossible to calculate. If I had to install t for someone, it would be over $500. Beyond that, the additional cost of DIY cables and wire. I have 25' of silver Vampire cable I haven't had the heart to cut but that is on the to-do list. Figure $200 of cables and wire. The price of media is incalculable, vinyl, discs of all sorts, digital stored on devices. $4 K for the total would be a conservative figure. My images are locked up at Photobucket but I'll try to attach some here.