# Tang Band W1-2121S 1-3/4" Aluminum Full Range Neodymium Driver

**Manufacturer:** Tang Band  
**MPN:** `W1-2121S`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Tang Band |
| Manufacturer name | Tang Band |
| Manufacturer | Tang Band |
| DimensionUnit | inch |
| Extra Product Name | Tang Band W1-2121S 1-3/4" Aluminum Full Range Neodymium Driver |
| UPC | 848864023717 |
| Weight | 0.25 |
| WeightUnit | lbs |
| depth | 1.07 |
| diameter | 1.81 |
| height | 1.81 |
| height_Attrib | Overall Outside Diameter |
| length | 1.07 |
| length_Attrib | Depth |
| moq | 1 |
| MPN | W1-2121S |
| multiple | 1 |
| qtyInStock | -2 |
| qtySource | FieldMap |
| SKU | 264-825 |
| snippet | Tang Band W1-2121S 1-3/4" Aluminum Full Range Neodymium Driver. Part Number: 264-825 by Tang Band. |
| width | 1.81 |
| width_Attrib | Overall Outside Diameter |
| Brand | Tang Band |
| Model | W1-2121S |
| Part Number | 264-825 |
| Unit of Measure | Each |
| Nominal Diameter | 1-3/4" |
| Power Handling (RMS) | 6 Watts |
| Power Handling (MAX) | 12 Watts |
| Impedance | 4? |
| Frequency Response | 120 to 15,000Hz |
| Sensitivity | 79dB 2.83V/1m |
| Voice Coil Diameter | 1.1" |
| Resonant Frequency (Fs) | 120Hz |
| DC Resistance (Re) | 3.5? |
| Voice Coil Inductance (Le) | 0.07mH |
| Mechanical Q (Qms) | 1.33 |
| Electromagnetic Q (Qes) | 0.47 |
| Total Q (Qts) | 0.35 |
| Compliance Equivalent Volume (Vas) | 0.0038ft? |
| Mechanical Compliance of Suspension (Cms) | 0.949mm/N |
| BL Product (BL) | 3.14T?m |
| Maximum Linear Excursion (Xmax) | 2.3mm |
| Surface Area of Cone (Sd) | 8.935cm? |
| Cone Material | Aluminum |
| Surround Material | Santoprene? |
| Voice Coil Wire Material | Copper |
| Basket / Frame Material | Polymer |
| Magnet Material | Neodymium |
| Overall Outside Diameter | 1.81" |
| Baffle Cutout Diameter | 1.67" |
| Depth | 1.07" |
| Sealed Volume | 0.005ft? |
| Sealed F3 | 302.6Hz |
| Vented Volume | 0.008ft? |
| Vented F3 | 106.3Hz |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| parts-express.com | 264-825 |  |  | None | 1 |

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Structured data: `/python/html6/product/500/32000000/32171500/part_--W12121S---TangBand--f9fb05f1ae.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp