C165AM-4-770
Ceramic Bass-Midrange
| Dome material | CerAMIC |
| Application | Bass-Midrange |
| Nominal diameter | 165 MM |
| Sensitivity | 91dB |
| Frequency | 35HZ - 2.8KHZ |
Main Features
Automotive approved for humidity / temperature / vibration
No compression design for ultra high dynamics and resolution
High flux neo overhung motor
Extended Xmax design
35 Hz – 2800 Hz in closed box
Technology
Material
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The C165–04–770 is a 7 inch bass-midrange driver with ceramic dome suitable for automotive aftermarket applications.
Various mounting options support smart and easy integration.
Chromium plated magnet parts for long-life durability.
Minimized overall outer diameter for a maximized ratio of the active membrane surface.
Audiophile performance due to a motor design with minimal distortion artifacts.
Approval according to automotive standards.
Motor system with a large linear range for optimized DSP system support.
Mechanical Data
| Specification | Value | Unit | |
| Overall diameter | 165 | mm | |
| Cutout diameter | 142 | mm | |
| Min. frontplate thickness | 6.5 | mm | |
| Overall depth | 88.5 | mm | |
| Motor assembly depth | 29 | mm | |
| Motor assembly diameter | 100 | mm | |
| Screwfitting | 3 * DIN 7984,4mm@ / Ø 156mm | mm | |
| Terminal | 2 * M4 Thread | mm | |
| Shipping weight (pair) | -- | Kg | |
| Shipping box size (pair) | -- | mm | |
Thiele Small Parameters
| Specification | Value | Unit | |
| Sensitivity (2.83V / 1m) | Lp | 91 | dB |
| DC-resistance) | Re | 4 | Ω |
| Resonance frequency | Fs | 66.77 | Hz |
| Equivalent volume of air | Vas | 9.35 | ltr |
| Mechanical Q | Qms | 4 | |
| Electrical Q | Qes | 0.63 | |
| Total Q | Qts | 0.55 | |
| Effective piston area | Sd | 136.85 | Cm2 |
| Moving mass | Mms | 16.15 | g |
| Suspension compliance | CMs | 0.35 | mm/n |
| Mechanical resistance | Rms | 1.70 | Ns/m |
voice coil parameters
| Specification | Value | Unit | |
| Power handling | P | 120 | W |
| Linear excursion | Xmax | +/-6 | mm |
| Voice coil diameter | 55 | mm | |
| Voice coil former material | Ti | ||
| Voice coil material | Cu | ||
| Voice coil inductance | Le | 0.09 | mH |
| Force factor | Bl | 6.53 | Tm |
| Motor type | Overhung | ||
| Ferrofluid filling | No | ||
Frequency Response [db]
![Frequency Response [Db] - C165AM-4-770](/application/files/6817/5249/8031/FRQ_C165AM-04-770_V001135.png "Frequency Response [Db] - C165AM-4-770")
Impedance [OHM]
![Impedance [Ohm] - C165AM-4-770](/application/files/2917/5249/8017/IMP_C165AM-04-770_V001135.PNG "Impedance [Ohm] - C165AM-4-770")
Distortion [%]
![Distortion [%] - C165AM-4-770](/application/files/7017/5249/8024/DIST_C165AM-04-770_V001135.PNG "Distortion [%] - C165AM-4-770")