


- We ship to United States of America
- Ordered now, shipped on Monday
- At least two years warranty
- 45-day cooling-off period to return
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Customer rating:
The Accuton S220-6-221 is an 8-inch woofer with an extremely rigid ceramic sandwich cone. The FEA-optimized overhang voice coil design with 38 mm aluminum voice coil former guarantees low energy storage during decay and excellent heat transfer. The low-loss rubber surround and thin fabric center spider center the moving parts with high linear excursion.
Accuton S220-6-221 8,5'' Sandwich Woofer
The woofer has a sensitivity of 88 dB, resistance (DC) of 5.9 Ohm, free air resonance frequency of 22.1 Hz, equivalent volume Vas of 112.9 Ltr, mechanical quality Qms of 5.73, electrical quality Qes of 0.39, total quality Qts of 0.37, effective membrane area Sd of 224 Cm2, moving mass Mms of 32.8 G, membrane stress compliance Cms of 1.58 Mm/N, mechanical resistance Rms of 0.79 Kg*S.
The woofer has an overall diameter/front panel of 220 mm, hole cutout of 191 mm, minimum front panel thickness of 9 mm, overall height of 105 mm, magnet height of 42 mm and magnet diameter of 120 mm.
The woofer can be used in a closed enclosure with Vb: 39L, -4dB @ 40Hz, -13dB @ 20Hz, F-3dB: 42Hz, Q: 0.71 (Balanced). Vb: 101L, -4dB @ 40Hz, -10dB @ 20Hz, F-3dB: 44Hz, Q: 0.50 (Bass Boost) Enclosure Recommendation Bass Reflex: Vb: 66L, port diameter: 70mm, length: 300mm, Fres: 22Hz, F-3dB: 27Hz, Q: 0.58 (optimum). Vb: 101L, port diameter: 70mm, length: 150mm, Fres: 23.5Hz, F-3dB: 24Hz, Q: 0.50 (extended bass) Vb: 56L, port diameter: 70mm, length: 300mm, Fres: 24Hz, F-3dB: 29Hz, Q: 0.61 (0.7dB boost @ 50Hz).
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