# B&C 12NCX 12" Neodymium Coaxial Speaker

**Manufacturer:** B&C Speakers  
**MPN:** `12NCX`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | B&C Speakers |
| Manufacturer name | B&C Speakers |
| Manufacturer | B&C Speakers |
| DimensionUnit | inch |
| Extra Product Name | B&C 12NCX 12" Neodymium Coaxial Speaker |
| UPC | 844632002311 |
| Weight | 12.1 |
| WeightUnit | lbs |
| depth | 6.6 |
| diameter | 12.4 |
| height | 12.4 |
| height_Attrib | Overall Outside Diameter |
| length | 6.6 |
| length_Attrib | Depth |
| moq | 1 |
| MPN | 12NCX |
| multiple | 1 |
| qtyInStock | 0 |
| SKU | 294-686 |
| snippet | B&C 12NCX 12" Neodymium Coaxial Speaker. Part Number: 294-686 by B&C Speakers. |
| width | 12.4 |
| width_Attrib | Overall Outside Diameter |
| Brand | B&C Speakers |
| Model | 12NCX |
| Part Number | 294-686 |
| Unit of Measure | Each |
| Nominal Diameter | 12" |
| Bolt Circle Diameter | 11.6 |
| Power Handling (RMS) | 200 Watts |
| Power Handling (MAX) | 400 Watts |
| Impedance | 8? |
| Frequency Response | 60 to 18,000Hz |
| Sensitivity | 96dB 2.83V/1m |
| Voice Coil Diameter | 2.5" |
| Resonant Frequency (Fs) | 59Hz |
| DC Resistance (Re) | 5.8? |
| Voice Coil Inductance (Le) | 1.2mH |
| Mechanical Q (Qms) | 4.2 |
| Electromagnetic Q (Qes) | 0.58 |
| Total Q (Qts) | 0.51 |
| Compliance Equivalent Volume (Vas) | 2.3ft? |
| BL Product (BL) | 12.8T?m |
| Maximum Linear Excursion (Xmax) | 3mm |
| Surface Area of Cone (Sd) | 522cm? |
| Cone Material | Paper |
| Voice Coil Wire Material | Aluminum |
| Magnet Material | Neodymium |
| Overall Outside Diameter | 12.4" |
| Baffle Cutout Diameter | 11.2" |
| Depth | 6.6" |
| # Mounting Holes | 8 |
| Sealed Volume | 1.18ft? |
| Sealed F3 | 99Hz |
| Vented Volume | 3.7ft? |
| Vented F3 | 50Hz |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| parts-express.com | 294-686 |  |  | None | 1 |

---
Structured data: `/python/html6/product/500/169500000/169702000/part_--12NCX---BCSpeakers--a4e4704894.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp