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Peerless by Tymphany 830657 6-1/2″ Paper Cone SDS Woofer



The SDS compact subwoofer family offers low resonant frequency performance, ideally suited for compact sealed enclosures. This 6.5 inch 8 ohm member of the SDS family offer a coated paper cone with rubber surround, a high power voice coil suspended in a ferrite magnet motor, and a narrow-profile steel basket, shaped to fit into narrow cabinets.

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2,500.00 2,700.00



Driver Size 6 in
DC Resistance 6.05 Ω ±5.0%
Resonant Frequency 44.75 Hz 15%
Half Space Sensitivity @ 2.83V 89.46 dB ±1.01
Sensitivity @ 1W/1m 88.5 dB ±1.01
Rated Noise Power (IEC 268-5 18.1) 60 W
Test Spectrum Bandwidth 40Hz – 4kHz 12 dB/Oct
Effective Piston Area 141 cm2
Moving Mass 11.5 g
Motor Force Factor 5.98 T•m
Voice Coil Inner Diameter 25.73 mm
Gap Height 6 mm
Maximum Linear Excursion 3.5 mm
Ferrofluid Type
Minimum Impedance 6.44 Ω ±7.5%
Voice Coil Inductance 0.38 mH
Mechanical Q Factor 2.74
Electrical Q Factor 0.55
Total Q Factor 0.46
Ratio 98.35 fs/Qts
Energy Bandwidth Product ((1/Qes)•fs)
Suspension Compliance 1101.4 μm/N
Effective Cone Diameter 13.4 cm
Motor Efficiency Factor 5.9 (T•m2)/Ω
Voice Coil Former Material ASV
Driver Mass 0.84 Kg
Equivalent Volume 30.77 L



Platform: Peerless
Driver Type: Woofer
Size: 6 in
Motor: Ferrite
Frame: Steel Basket
Impedance: 8 Ω
Diaphragm: CP (Coated Paper)