Price Paid:  $0.00

Summary:
Before I bought this sub, I had a Paradigm PDR-10 (good for the $$ still IMO). I basically bought this sub from a private owner at $225 in great condition. My mains are B&O Beolab Penta's which are active. My room is too small, about 11x13 feet. The sub looks huge compared to the room itself. Setup was easy when I used the built in high pass with my Beolabs. I recommend using this method instead of blurring your sub and mains, as its too hard to integrate without tons of parametric EQ. My Paradigm is basically a joke compared to this sub. The F-1500 goes lower than my ears, but I still feel the rumble going lower and lower in my bones. Like many say, this sub puts lots of pressure in the room and can easily rumble the whole house down. But the bass is never ever boomy and spooky accurate sounding compared to my old Paradigm. The very lowest bass tones and harmonics just fill the room and complete the system, making it sound truly "full range". I cant say I have much subwoofer experience but now I know what real bass is, and that I need better bass traps that somehow go as low as this sub. It would also help if I were in a big room to let my full range system shine.

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Price Paid:  $250.00 from www.craigslist.com

Summary:
Picked up this sub, a pair of Klipsch CF-2 towers and a Klipsch KV-3 center channel speaker off a listing on www.craigslist.com for $250. The sub sounds amazing and can handle very deep bass with no problem. Does not sound muddy or boomy. Bass is very impressive for movies and sounds great for music.

Although this sub is over 10 years old, it absolutely blows my previous Velodyne CT-100 away.

Strengths:
Handles very low bass and allows you to truly "feel" the action when watching movies.

Weaknesses:
Very heavy sub (90 lbs) and is very large (20 in x 20 in x 20 in).

Similar Products Used:
Velodyne CT-100

Price Paid:  $1175.00

Summary:
Beware of Velodyne customer service. They are arrogant and
condescending. When I called the repair department they picked right up on the specific trouble I was having. Right away that told me this might be a lemon issue, but I really wasn't prepared to hear the next words of encouragement. The guy actually told me he didn't trust any local Velodyne authorized dealers to make the repair, and that I should UPS this 100# mother back to the company.
When a company outright tells you they don't trust their own factory authorized repair shops - watch out.
Oh yes - I forgot to mention the repair cost. He told me I was looking at $300-400, but that he might have to replace the speaker too so that might raise it to $400-500.
I gave it to my church flea market sale!

Strengths:
Good clear crossover conrtol

Weaknesses:
Lacks sharpness of bass which became muffled and distorted with volume increase. A sub in this price range and moreover with the Velodyne name should not have this problem.

Similar Products Used:
FSR-1200

Price Paid:  $1300.00

Summary:
very good very good
is superior a hgs series

Strengths:
very good very good
is superior a hgs series

Price Paid:  $600.00 from OneCall

Summary:
Of all the subs listed above my F1500R offers the best overall performance. The M&Ks had excellent slam and speed but they rolled off in the 25-28Hz range and were easy to overload. The Earthquakes had more output than all of the above listed subs but they too rolled off sharply - this time at about 22-25Hz, they were also a little more tricky to dial-in. The NHT had tons of output above 30Hz and was very good on music but it couldn't do justice to Organ pedal. The Paradigms were both very good with the cheaper PW2200 actually having more output above 25Hz than the Servo 15, below that though, the Servo sounded really good, almost as good as my F1500R. The F-1500R is good at fast percussive and string bass sounds as long as you have full range mains and use alow x-over setting, go too high and you become aware that you're using a high-moving mass 15" driver, servo or not. Where it excels is ultra-deep and infrasonic bass, the kind most people have never heard or felt in their own homes. When the blinds start shaking, the walls groan and your ears feel strange air pressure changes yet you can't hear anything then you've experienced bass from a large Velodyne Servo-Sub.

Strengths:
Simply untouchable when it comes to extremely low bass. I haven't heard a subwoofer yet that can do Pipe Organ pedal notes like this one and still cost under $2000.

Weaknesses:
Large cabinet makes placement more difficult, but then, for truely high-fidelity bass those little cabinet subs just don't cut it.

Similar Products Used:
Various M&K subs, Earthquake SuperNova MKIV-12&15, NHT SubOne, Paradigm PW2200 and Ref. Servo 15