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.
Key Features
- 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
| Brand | Peerless by Tymphany |
| Model | SDS-P830855 |
| Part Number | 264-1065 |
| UPC | 848864015002 |
| Unit of Measure | Each |
| Weight | 1.7 |
Product Specifications | |
|---|---|
| Nominal Diameter | 4" |
| Bolt Circle Diameter | 4.49 |
| Power Handling (RMS) | 30 Watts |
| Power Handling (MAX) | 60 Watts |
| Impedance | 8Ω |
| Frequency Response | 63 to 6,200Hz |
| Sensitivity | 84.8dB 2.83V/1m |
| Voice Coil Diameter | 1" |
Thiele-Small Parameters | |
|---|---|
| Resonant Frequency (Fs) | 63Hz |
| DC Resistance (Re) | 5.6Ω |
| Voice Coil Inductance (Le) | 0.24mH |
| Mechanical Q (Qms) | 4.66 |
| Electromagnetic Q (Qes) | 0.49 |
| Total Q (Qts) | 0.44 |
| Compliance Equivalent Volume (Vas) | 0.11ft³ |
| Mechanical Compliance of Suspension (Cms) | 92.3mm/N |
| BL Product (BL) | 5.58T·m |
| Diaphragm Mass Inc. Airload (Mms) | 6.9g |
| Maximum Linear Excursion (Xmax) | 3mm |
| Surface Area of Cone (Sd) | 50.3cm² |
Materials of Construction | |
|---|---|
| Cone Material | Treated Paper |
| Surround Material | Rubber |
| Basket / Frame Material | Steel |
| Magnet Material | Ferrite |
Mounting Information | |
|---|---|
| Overall Outside Diameter | 4.14" across the flats, 4.85" |
| Baffle Cutout Diameter | 3.75" |
| Depth | 3.64" |
| # Mounting Holes | 6 |
Recommended Enclosure Volume | |
|---|---|
| Sealed Volume | 0.1ft³ |
| Sealed F3 | 115.4Hz |
| Vented Volume | 0.15ft³ |
| Vented F3 | 55.2Hz |
Peerless by Tymphany SDS Series 830855 4" Woofer 8 Ohm
SKU: SDS-P830855
$18.00Price