Specifications
- Model Number: VM527
- Nominal Diameter (mm): 140
- Power Capacity (Watt AES): 75
- Sensitivity (dB/watt/m): 91
- Frequency Range (Hz): 500-4500
- Impedance (Ohms): 8
- Voice Coil Diameter (mm): 52
- Voice Coil Material: Copper
- Suspension: Single
- Cone Material: Coated Fabric
- Surround: Coated Fabric
- Maximum Excursion (mm): 2 (before damage)
- Magnet: Ferrite
- Magnet Assembly Weight (Kg): 1.65
- Connection: 6.4mm solder terminals
- Chassis: Machined Aluminium
Mounting Information
Parameter | Measure | Unit |
Overall Diameter | 140 | mm |
Mounting Bolt Circle Diameter | 124.5 | mm |
Number and Size of Bolts | 4 | M5 |
Baffle Cutout Diameter | 109 | mm, rear mount |
Depth of Baffle required | 18 | mm |
Depth | 58 | mm, total depth |
Weight | 2.2 | Kg |
Response Curve
Thiele-Small Parameters
Parameter | Measure | Unit |
Fs | 502 | Hz |
Re | 5.5 | Ohms |
Qms | n/a | |
Qes | n/a | |
Qts | n/a | |
Cms | n/a | mm/N |
Mms | n/a | grams |
Bl | n/a | N/A |
VAS | n/a | litres |
Sd | 28.27 | cm² |
Vd | 2.827 | cm³ |
Le | n/a | mH |
Xmax | ±1 | mm |
T&S Parameters measured in free space after a preconditioning period
Factsheet PDF