Press Release: OKLAHOMA CITY, OK- DD AUDIO announced the introduction of the 1506 “A” revision. The 6.5” subwoofer has become increasingly popular as a way to give big bass sound in tight spaces by recreating the force of larger subs with an array of smaller ones.
Following in the footsteps of the larger 9900C, 9500L, and 2508G, the 1506A revision completes the selection. These are made-by-hand subwoofers with 750 watt RMS power handling.
There are two improvements in the 1506A. The heatsink is a dual stage with the back plate being stage two. Stage one is the cylindrical aluminum tube insert conducting heat away from the soft components and high-temp glues, through the Free Flow Cooling System to the back plate (stage two) where it is expelled. This advanced thermal transfer engineering significantly improves the performance for longer and louder play.
The other key improvement is the Iron Cloth Spider System. No, they are not made of iron! That said, it’s not just a clever name. The 100 percent USA Made spiders use a new resin reinforced material that is so tough the laser cutter DD has long used for cutting them to size had to be upgraded to one that could cut 2mm thick steel. The name started in the shop, but as the new spider’s reputation for strength and longevity in early models began to spread, Iron Cloth was officially adopted.
To control the moving mass of the 1506A, the spider diameter was made for long excursion capability with as much landing as was possible: 5.75” across. Again, this is the same role profile you can find on the legendary 9500, with 4 progressive rolls, all made from the same dual layer Iron Cloth.
Visit ddaudio.com/1506a-subwoofer for more features and specifications of the 1506A.
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