Originally Posted by cfgenesis
And now looking into them I see there is a PB-1000 as well, with different benefits for each one. I hope my head doesn't explode before I actually make a decision!
cfgenesis, I was/am in a similar boat to you. Our musical tastes are similar and it sounds like we have the same objectives.
I decided to get a single PB-1000 for my dedicated 2700 cubic foot room with the expectation that I'd eventually get a second PB-1000 and/or an antimode (my receiver does not EQ sub frequencies).
The experts can chime in at any time but I'd like to put forward the following opinions based on my experience that may help you out:
1) A single sub CAN sound great at the main listening position. The primary benefit of two or more subs will be to improve frequency response at more listening positions. In my room, now that I have the sub set up optimally for my main listening position I find that the secondary position is decent but not quite as good as it is close to a boundary. If I have a large group coming over I drop the sub output on my AVR by a couple points and find a compromise that works pretty well between the two positions, not optimal but I suppose optimal in my scenario would cost $500 to $1500 for another 1 to 3 additional PB-1000s. The lesson in my case is that two subs would make it less likely that I'd have to compromise between the two listening positions but usually its just my family in the HTR and the four of us (two little ones) sit on the couch in the MLP anyway so it works great for us 90% of the time.
2) Your room is critical and its hard to know how a sub will perform until you have it in place. In my case I have very strong peaks at 40HZ and 80HZ and the original desired MLP had us in a bit of a null. Depending on what is happening in your room you may find that incremental dollars would be better spent on equalization, an extra sub, room treatments, or furniture (if you have to move things around).
3) In your room the SB-1000 would be surely lacking vs. the PB-1000. The difference in output would be tangible in that size of a room I think.
In my case I decided to go with the single PB-1000 sub corner loaded to maximize room gain, and I've added an antimode 8033 Cinema. This combined with moving the couch that is in the MLP forward by about 14" has made me VERY happy. Even my wife has noticed.
I may still add a 2nd PB-1000 but I'm very happy for the time being with my single sub.
For a $500 max budget I really think you are best getting the single PB-1000, obviously spending more will give you more performance and DIY gives you more cost effective options. But you really can't go wrong with the PB-1000.