Hey he used a AC meter so it counts right? And a T1 is really nothing special. Take off the cover ups and you are left with a little bitty motor, no excursion, cheap parts.
For the price it's nothing special but I paid $132 brand spankin new straight from RF. Tiny motor? It's got a 3 inch thermally underrated coil. No excursion? I guess the thin/tall surround and VAST attaching method is just for looks then. Cheap parts? No. Even the voice coils use special glue that doesn't stink when it gets warm.
The only reason mine died is because I had a catastrophic failure and I learned a very valuable lesson to never ever under any circumstances mount the amp to the box. I was driving one day, then all the sudden the bass cut out. I opened the trunk and found the screws holding the amp to the box completely broke smooth off, all 4 of them, the amp fell in front of the box, ripped the remote wire out, and the heavy *** 1000/1 was resting right up against the metal cone where it attaches to the surround, and caused a dent. I also had to warranty the 1000/1 because having it mounted to the box vibrated the living **** out of it and caused the signal processing board to unplug from the main board, to which they "updated" to 1000/1v2 engineering and glued the plug (kind of pissed me off I paid 100$ +shipping for something I could have done myself)
Then another one day a few years later, I notice the sub didn't sound anywhere near as loud so I checked the trunk again. The sub was inverted at that time, so I couldn't see the cone.
I found these in front of the port
Pulled the sub from the box and found this
The dent caused the surround to detach from the cone over time which is the only reason mine died. Otherwise these subs are built like tanks. You're a DD fan that says RF uses cheap materials... dude DD uses the cheapest materials. Paper cones and foam surrounds? It's not 1980 anymore and paper and foam have been proven to be crap for longevity/durability of a speaker.
And this "weak" "nothing special" sub destroyed a 16gauge steel roof-mounted rear-view mount (cracked in 5 places, developed an insanely loud rattle) and broke a rear deck vent into 3 pieces.
That sub is full of goodness including SQ and doesn't get any credit cause everybody's too afraid/too broke to spend money on them.