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All power ratings are figured using an electronic high pass crossover with a minimum crossover point of 500 Hz at 24 dB/Octave, 750 Hz at 18 dB/Octave, or 1000 Hz at 12 dB/Octave.
Audio Dynamics speakers were designed to reproduce music with ultimate accuracy.
We've spent countless listening hours examining the tonal qualities of many different cone materials; from glass fiber, to Kevlar, to carbon fiber and more. Ultimately, we chose wool pulp for its ability to deliver astonishing realism and detailed timbre across the harmonics. We then added an acoustically-transparent chemical to help the soft parts resist moisture.
Our speakers will pull you into the musical performance and breath new life into your music collection.
Fs 254.100 Hz Qms 4.835 Vas 0.095 l Cms 0.292 mm/N Mms 1.327 g Rms 0.443 kg/s Dia 43.910 mm Sd 15.143 cm² Qes 1.715 Re 3.056 ohm Le 0.111 mH Z 3.667 ohm Bl 1.943 Tm Bl²/Re 1.235 N²/W Qts 1.266 no 0.088 % SPL 81.583 dB
Frame Outer Diameter 2 7/8" (73 mm) Motor Outer Diameter 1 15/16" (49 mm) Mounting Hole Diameter 2 3/16" (55 mm) Mounting Depth 1 1/4" (32 mm)
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.








