SB Acoustics SB17NRXC35-4

SB Acoustics SB17NRXC35-4 6.5" Woofer

• Non-resonant coated Papyrus fiber cone
• Low damping SBR surround
• Open structure cast frame for reduced reflections
• Copper cap on pole piece
• Raised spider
• 35mm Voice Coil diameter
• Frequency range 38Hz to 3.5kHz
• Gasket

Advanced Features include:

Vented cast aluminium chassis for optimum strength and low compression, proprietary cone material with natural fibers made in-house, and a soft low damping rubber surround for improved transient response. Also features non-conducting fiberglass voice coil former for minimum damping, extended copper sleeve on pole piece for low inductance and low distortion, CCAW voice coil for reduced moving mass, long life silver lead wires, and vented pole piece for reduced compression.

Specifications

• power handling (continuous/programme) = 60 W
• resonance frequency fs = 35 Hz
• impedance R = 4 Ohm
• sound pressure level SPL = 92 dB (2,83V; 1m)
• DC resistance Re = 3,1 Ohm
• force factor BL = 4,8 N/A
• voice coil inductance L = 0,13 mH
• effective piston radiating area Sd = 118 cm²
• effective mechanical mass incl. air load mms = 11,6 g
• equivalent volume of compliance Vas = 35,2 l
• total Q factor Qts = 0,32 (Qms=5,5, Qes=0,34)
• voice coil diameter = 35,5 mm
• mounting diameter d = 144 mm
• overall diameter d = 171 mm
• mounting depth (not countersunk) t = 75 mm