My good friend and old neighbor has a Servo 15, so I am very familiar with its home theatre performance (heard it on music a few times as well).

I found an old review from September 2002 that stated the Servo 15 can do 114db at 20hz. Another review stated it is capable of 115db at 40hz without factoring in any room gain. Also, I found a review from 2004 which states "According to the supplied specifications, this means a clean in-room frequency response at -3dB of 14Hz with an SPL of 115dB".

Based on those numbers, my guess is the Servo 15 is more comparable to the PB2+. Is that a fair guess?

The real stinker is that they won't let me pay them half now and then come back on the first of August to pay the rest and take it home. They want it all now, which would make things tight until next payday.