12W65-8S BASS/MID RANGE DRIVER
KEY FEATURES:
- 96dB 1W/1m sensitivity
- 300W AES power handling
- 48Hz-4kHz frequency response
- 63.8mm (2.5in) copper voice coil
- Heavy-duty cast aluminum chassis for increased rigidity
- Suitable for compact two way systems
Description
NOTES:
1、Two hours test according to AES 2-1984 Rev. 2003. Power calculated on rated minimum impedance.
2、Maximum power is defined as 3dB greater than Nominal power.
3、Applied RMS Voltage is set to 2.83 V for 8 ohms Nominal Impedance.
4、Xmax= [(winding depth – magnetic gap depth)/2] + (magnetic gap depth/3).
5、Thiele-Small parameters are measured after a preconditioning test.
6、Power test made with continuous pink noise signal within the frequency range.
General Specifications
| Part Number | 12W65-8S |
| Nominal Diameter | 316mm (12in) |
| Nominal Impedance | 8Ω |
| Minimum Impedance | 6.8Ω |
| AES Power Handling1 | 300W |
| Maximum Power Handling2 | 600W |
| Sensitivity (1W/1m)3 | 96dB |
| Resonance Frequency | 48Hz |
| Frequency Range | 48Hz-4kHz |
| Voice Coil Diameter | 63.8mm |
| Winding Material | Copper |
| Former Material | Glass Fiber |
| Winding Depth | 15.7mm |
| Magnetic Gap Depth | 8mm |
| Xmax4 | 9.1mm |
| Flux Density | 1.15T |
| Basket Material | Cast Aluminum |
| Magnet Material | Ferrite |
| Suspension Material | Fabric |
| Surround Material | M-Roll Cloth-sealed |
| Cone Material | Curvilinear Paper |
| Net Weight | 4.7kg |
Frequency Response Curve

Impedance Curve

TS Parameters5
| Model Number | 12W65-8S |
| Fs | 49Hz |
| Re | 5.6Ω |
| Le | 0.59mH |
| Mms | 56g |
| Mmd | 48g |
| Cms | 0.18mm/N |
| BL | 15.3Tm |
| Qms | 9.8 |
| Qes | 0.42 |
| Qts | 0.40 |
| Vas | 78L |
| Ref. Efficiency | 2.2% |
| Sd | 551cm2 |
| EBP | 116Hz |
Mechanical Drawing

Additional information
| Series | S SERIES |
|---|---|
| Diameter | 12in |
| Nominal Impedance | 8Ω |
| Continuous Power Handling | 300W |
| Voice Coil Diameter | 63.8mm |
| Maximum Excursion | 9.1mm |
| Magnet Material | Ferrite |

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