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Speaker Driver Midbass Neodymium 200W 8Ω 94dB 90Hz - 8000Hz Ø16.5cm

Using the knowledge gained from decades of loudspeaker design and engineering, Dayton Audio with its Odeum range, focuses on technical excellence, product reliability and innovation. The Apollo 6 is a 16.5cm midbass driver supporting power ratings up to 200W RMS. It is equipped with a neodymium magnet motor, a 50.8mm voice coil with glass fiber support and a copper faraday ring to lower the distortion level. The coated paper diaphragm with M-Roll surround offers a neutral tone that is easy to tune. The peripheral ventilation system ensures perfect temperature control.

| Specifications | |
|---|---|
| Speaker driver | Midbass |
| Nominal diameter | Ø165.1mm (6.5") |
| Power handling | RMS : 200W Max : 400W |
| Impedance | 8Ω |
| Frequency response | 90Hz - 8000Hz |
| Sensitivity | 94.4dB @ 2.83V/1m |
| Voice coil diameter | Ø50.8mm (2") |
| Weight | 2.18kg |
| Overall outside diameter | Ø167.5 * 84.5mm |
| Voice coil weight | - |
| Thiele-Small Parameters | |
|---|---|
| Resonant frequency (fS) | 102.8Hz |
| DC Resistance (RE) | 6.06Ω |
| Voice coil inductance (LE) | 1.29mH |
| Mechanical quality factor (QMS) | 8.02 |
| Electromagnetic quality factor (QES) | 0.29 |
| Total quality factor (QTS) | 0.28 |
| Compliance equivant volume (VAS) | 3.4L (0.12ft³) |
| Mechanical compliance of suspension (CMS) | 0.141mm/N |
| Force factor (B·l) | 14.94T·m |
| Mechanical resistance (RMS) | - |
| Diaphragm mass inc. airload (MMS) | 16.92g |
| Moving mass (MMD) | - |
| Maximal linear excursion (XMAX) | 3.77mm |
| Displacement volume at Xmax (VD) | - |
| Efficiency (η₀) | - |
| Efficiency bandwdith product (EBP) | - |
| Surface area of cone (SD) | 132.67cm² |
| Material | |
|---|---|
| Diaphragm | Coated paper |
| Surround | Paper |
| Voice coil wire | - |
| Voice coil former | Fiberglass |
| Frame | - |
| Magnet | Neodymium |
| Mounting informations | |
|---|---|
| External diameter | Ø167.50mm |
| Cutout diameter | Ø146mm |
| Depth | 84.5mm |
| Mouting circle diameter | - |
| Number of mounting holes | 4 |
| Speaker Power (W RMS) | 200.0 |
| Speaker Type | Midrange |
| Impedance (Ω) | 8 |
| Loudspeaker diameter (mm) | 165.0 |
| Diaphragm type | Paper |
| Efficiency / Sensitivity (dB) | 94.0 |
| Max Linear Excursion (Xmax) (mm) | 4.0 |
| Lowest frequency (Hz) | 90 |
| Highest frequency (Hz) | 8000 |