Guys and girls if your here you love speakers and amps. Im a retired air con guy who did some electrical jobs also for an electrical contractor. This is about amp purchases. -Aluminum vs copper- trane is a large company who makes high end air con and heating systems. They use to always wire from factory there 15 kw heat strip kits with aluminum and discontinued using aluminum and went back to all copper wiring. Aluminium wite size of no:6 can be replaced for a smaller size copper with in no:8. Aluminum is not efficient and has a poor property it can expand and contract causing wire connections to get loose. This is off topic but usefull information just the same. If you can afford a copper transformer in your amp try to save a little extra and go copper.
Ang skin konting defference lng talaga,,,khit 500 wats lng ang 1525,,ang voice coil nya nmn ai 4 inches,,smntala ang tsunami 700 wats pero 3 inches lng voice coil,maslakas ng konti si tsunami basi sa aking observation,,