Accuton C158-6-851 6.25" Ceramic Cone Mid/Bass

Accuton C158-6-851 6.25" Ceramic Cone Mid/Bass driver.

The C158-6-851 is a 6.25 inch bass - midrange driver with ultra hard ceramic dome. A FEA optimized overhung motor design with 38 mm titanium voice coil former guarantees extraordinary low energy storage and good heat transfer. The low loss rubber surround and a thin fabric spider center the moving parts with high linearity. As a typical small home stereo bass - midrange driver, we recommend our C158-6-851 for an application from 45 Hz - 3000 Hz.

• 6.25 inch bass-midrange for small bookshelf monitors or slim floorstanders
• 38mm titanium voice coil former
• 120mm motor for high performance in small enclosures
• overhung motor design
• soft rubber surround
• vented voice coil, pole piece and spider
• long excursion design for high SPL capabilities

Vented Box design parameters:

• Vb: 10L, Port diameter: 40mm, Length: 145mm, Fres: 46Hz, F-3dB: 47Hz, Q: 0.58 (typical)
• Vb: 15L, Port diameter: 40mm, Length: 100mm, Fres: 43Hz, F-3dB: 41Hz, Q: 0.50 (extended bass)
• Vb: 6.5L, Port diameter: 40mm, Length: 220mm, Fres: 48Hz, F-3dB: 54Hz, Q: 0.61 (0.7dB Ripple @ 100Hz)

Closed Box design parameters:

• Vb: 2.3L, -16dB @ 40Hz, F-3dB: 98Hz, Q: 0.71 (typical)
• Vb: 7L, -14dB @ 40Hz, F-3dB: 96Hz, Q: 0.50 (extended bass)