Peerless by Tymphany SDS Series 830855 4″ Woofer 8 Ohm
Original price was: $33.$25Current price is: $25.
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Product description
The 830855 SDS Series 4″ woofer from Tymphany is perfect for use as a woofer in small format 2-way speakers, a mid in 3-way speakers, or as a compact subwoofer.
Highlights
- Great all around woofer that works as a midrange or a compact subwoofer
- Maximum motor venting for quiet operation and good power handling
- Durable rubber surround and truncated cosmetic steel frame
Product details
Peerless by Tymphany SDS-P830855 4″ Woofer Treated Paper SDS Woofer
The SDS compact woofer family offers low resonant frequency performance, ideally suited for compact sealed enclosures. This 4 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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Y1TECHNICAL SPECIFICATIONS
| Driver Size | 4 in | – | ||
| DC Resistance | 5.6 Ω | ±5.0% | ||
| Resonant Frequency | 63.26 Hz | 15% | ||
| Half Space Sensitivity @ 2.83V | 84.78 dB | ±1.01 | ||
| Sensitivity @ 1W/1m | 83.8 dB | ±1.01 | ||
| Rated Noise Power (IEC 268-5 18.1) | 30 W | – | ||
| Test Spectrum Bandwidth | 60Hz-5KHz 12 dB/Oct | – | ||
| Effective Piston Area | 50.3 cm2 | – | ||
| Moving Mass | 6.9 g | – | ||
| Motor Force Factor | 5.58 T•m | – | ||
| Voice Coil Inner Diameter | 25.73 mm | – | ||
| Gap Height | 6 mm | – | ||
| Maximum Linear Excursion | 3 mm | – | ||
| Ferrofluid Type | – | |||
| Minimum Impedance | 6.43 Ω | ±7.5% | ||
| Voice Coil Inductance | 0.24 mH | – | ||
| Mechanical Q Factor | 4.66 | – | ||
| Electrical Q Factor | 0.49 | – | ||
| Total Q Factor | 0.44 | – | ||
| Ratio | 143.78 fs/Qts | – | ||
| Energy Bandwidth Product ((1/Qes)•fs) | – | |||
| Suspension Compliance | 923 μm/N | – | ||
| Effective Cone Diameter | 8 cm | – | ||
| Motor Efficiency Factor | 5.6 (T•m2)/Ω | – | ||
| Voice Coil Former Material | GSV | – | ||
| Driver Mass | 0.74 Kg | – | ||
| Equivalent Volume | 3.28 L | – |
| Weight | 2 kg |
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