SDS-P830855 4" Woofer Treated Paper SDS Woofer

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
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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.

Peerless
SISDSP830855

Data sheet

Impedance
8 Ohm
Driver type
subwoofer
Sensitivity
84.8 dB 2.83V/1m
Frequency range
63 - 6200Hz
Resonance frequency (fs)
63 Hz
DC resistance (Re)
5.6 ohms
Mechanical Q (Qms)
4.66
Electrical Q at Fs (Qes)
0.49
Total Q factor (Qts)
0.44
Speaker diameter
8"
Power handling
60 W
Voice coil inductance (L)
0.24 mH
Effective mechanical mass incl air load (mms)
6.9g
Effective piston radiating area (Sd)
50.3 cm²
Force factor (BL)
5.58 Tm
Equivalent volume of compliance (Vas)
0.11 ft.³
Overall diameter
4.85"
Mounting diameter
3.75"