I found a very good deal on a NIB 9915th (talk dry) and decided I could do the job very well. Before that time, I bought a pair of 1600m1 better audio quality. So instead of buying an amp to match a driver because I did reluctantly, but with satisfactory results.
The test conditions. DD 1 9515 D2 collision 1600m1 to 1 ohm. Box is equipped with two independent 16-foot room ^ 3 box. Since the time only its own DD I used a single chamber for testing. Hotswap is transferred to the box. Port used for the test was tuned to 27Hz, and is the port of my daily driving. SPL gate was not ready yet the test of time. But I'm going to change this situation, as it is.
All specifications can be found in ddaudio.com DD9515 so I'm not the size of my time to show them. But if you have never seen this as you know it's huge. The magnet is very large and has a very solid base to support it. The driver weighs 46 pounds.
For listening tests I used the track 14 of bassmechanics Download and Ying Yang Twins - Say Ay yi yi.
I used a gain setting 3 / 4 in the amplifier, simply because I get tired enough power and no symptoms of cuts ... always resolves with time given RTA. This operation specification to 1550 amps @ 1ohm but I have a good feeling just gets a bit more 0out.
In the test.
The opening of the song is a bit high bassmechanics and sub sounded a little muddy, but honestly sounded about as good as any is in 8ft ^ 3 tuned so low. So deep bass rolls came, and I soon found myself jumping on the remote bass knob and start down. IT has been incredibly high for such a conservative amount of power. Finally I turned back and gain some volume. The submarine was powerful and very little distortion could be observed at normal listening levels. Then it was time to try it with music of real life. I throw the Ying Yang simply because it has a nice clean deep bass stock. Crank It Up I really and almost immediately my ears start ringing. On the track it was pretty responces, but of course a built in SPL. I heard a submarine much cleaner, but nothing this high. I have worked on systems for some time but had never attended a single sub, which was so strong, and I installed the products of this caliber more than a few times.
This is a great driver, and can be found a very good price. I put high on my list of recommended drivers. Computers can be one day or triggered as a machine at full speed SPL. People have 20kW to belch on this submarine, and it is crazy enough for a sub with 1500W RMS
Reference article. Caraudio
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