Ok guys & gals, I have the numbers for you from the shootout. Things to keep in mind: Velodyne CHT-15 approx price: $1000 CDN or $640USD (can be HAD much cheaper from retailers) HSU VTF-3 approx price: $1500 CDN or $849 USD (maybe some negotiations possibly from av123) Some observations: We had 4 guys, Sean, Keith, Henning and myself. We listened to some music and a few movies. We then took the measurements, we spent about 1-2 hours with the subs playing around and such. We got them on a fairly level playing field, they were side by each in the corner of my room. We took measurements both at the seating position about 13' from the subs and from 1 meter away. From this exercise I was pleasantly surprised to see my room doesn't really add any crazy nulls or peaks to my sound, EXCELLENT! What the boys said: Well after some listening we commented and got the following (guys correct me if I misquote you, if I do it's not intentional): Henning: Can't really tell much difference with the movies but the HSU seemed tighter (Faster) for music. Don't think he wants one, he has a Paradigm Servo-15 (would have been an interesting comparison as well!) Keith: Heard lots of difference, the Velodyne seemed more chesty and the HSU seemed to be flatter across the board (read smoother). Wants one now (currently has an older Energy that isn't in the same league) Sean: Sean didn't comment to much, but I'm sure he finds his faster for music. Sean chime in if you wish. Myself: I also did find the HSU a TAD better for music, honestly I couldn't tell that much of a difference it wasn't night and day. For movies, I couldn't tell any difference, maybe if we switched back and forth quickly. Ok the numbers: @ Seat Db HzCHT-15 VTF-3 106676.5 156778 186576 207776 227776 257777 287778 307988 359290 409387 5010091 559792 6010398 6510399 709798 1 Meter Db HzCHT-15 VTF-3 107477 157590 188797 208796 229395 259998 289997 30101100 3510498 40111104 50112105 55113104 60111104 65110105 70107102 Observations about the Numbers: Keith's comments actually seem to come through correctly from the numbers. The VTF-3 is flatter across the board, all the way down to 10hz @ the Seat, and 15Hz flat from 1 meter. The CHT-15 drops off around 20Hz rather sharply. The VTF-3 seems to have a steady climb up, where as the CHT-15 spikes up at 35hz and continues on from there. The CHT has the upper hand on output 35hz & up. They are rather close from 35Hz down with the upper hand going to the VTF-3 from 18Hz on down. From 1 Meter the HSU seemed to really pack a punch down low, but in the room it was essentially a tie. My conclusions: Would I upgrade to the VTF-3 from my Velo? Nope, not me the extra cost isn't worth the minor difference in real world movies listening in my books. It is VERY close in this respect, both pressurize the room VERY well, both go low really well, neither seemed boomy or bloated. Would I "Trade" my velo for the HSU, sure if it didn't cost me anything. Seems like the CHT-15 is a great BANG for the BUCK subwoofer if your looking for quality bass on a budget. The HSU is cleaner down low and for music has the upper hand with it's 12" woof providing a faster response time. If you have the extra $$$ go for it! It will be interesting to see what the 25-31pc sounds like in my room, we will hopefully get numbers for it soon. Flame away folks! I'm sure once the SVS numbers are up, people will go ballistic! Edit: Here are the RS Meter adjusted figures. Freq in HzCHT-15 @ Seat Db 1086.597 158394 1877.588.5 2084.583.5 2283.582.5 258282 288182 308291 3594.592.5 4095.589.5 50101.592.5 5598.593.5 60104.599.5 65104.5100.5 7098.599.5 Freq in HzCHT-15 Db 1094.597.5 1591106 1899.5109.5 2094.5103.5 2299.5101.5 25104103 28 103101 30104103 35106.5100.5 40113.5106.5 50113.5106.5 55114.5105.5 60112.5105.5 65111.5106.5 70108.5103.5 And charts.