Years ago, I had a Trace Elliot combo amp called the BLX-130 (there was also a lower-powered version called the BLX-80). It had a single 10" speaker in a band-pass enclosure, meaning the speaker was house in a ported chamber and fired into a second front chamber, which had a slot port in the front of the cab. I loved the sound, it had such a deep, tight fundamental all the way down to low B. They're still occasionally available on the used market, but they're fairly bulky and weigh around 60 pounds (27kg). I'd really like something much lighter. So here are my crazy ideas: 1. Buy one of the combos, remove the amplifier head, saw off the part of the cabinet that houses the head, and replace the driver with a lightweight "neo" driver. Pair it with a micro-head like a Little Mark II. 2. Find diagrams of the cabinet and have someone build one for me using a neo driver. Any ideas who might do this? 3. Forget about it. What's gone is gone.