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SCAN SPEAK M21WG09-08 8" Classic - Woofer
This classic 8" bass unit is designed for sealed cabinets of between 20 - 40 litres. It features a very high compliance suspension (Vas 81 litres), a magnesium chassis and a treated pulp cone. The highish Qms value gives the M21WG-09-08 a lovely open midrange sound. One of the few excellent 8" drivers suitable for 2 way infinite baffle enclosures. New manufacture with improved foam surround.
Air dried coated black pulp cone
Optimised for sealed box designs
New formulation rot proof foam surround
High efficiency 90 dB 1w / 1m.
Excellent midrange extension for an 8" design
Vifa M21WG09-08 8'' Classic Woofer 8 Ohm
The M21WG09-08 is an 8-inch woofer that was originally designed for the Heybrook HB1 loudspeaker. It is a well-respected woofer that is known for its accurate sound reproduction and its long-term durability. The M21WG09-08 features a coated paper cone, a foam surround, and a rigid cast magnesium chassis. The coated paper cone provides a smooth, natural sound, while the foam surround helps to reduce distortion. The rigid cast magnesium chassis provides a high level of rigidity and helps to dissipate heat.
The M21WG09-08 has a frequency response of 38 Hz to 2.8 kHz, a sensitivity of 90 dB, and an impedance of 8 ohms. It is a relatively efficient woofer, so it can be driven by a wide range of amplifiers. The M21WG09-08 is a versatile woofer that can be used in a variety of applications. It is a good choice for bookshelf speakers, floorstanding speakers, and subwoofers. It is also a popular choice for DIY speaker projects.
Now made by Scanspeak in Denmark using the original Vifa tooling.
Woofer Type: Classic Woofer
Nominal Diameter: 186,5 mm, 8 inch
Power Handling (RMS): 50 Watt
Power Handling (max): 70 Watt
Impedance (Z): 8 Ohm
Sensitivity (SPL at 1m / 2.83V): 90 dB
Frequency Response: 38-4000 Hz
Voice Coil Diameter: 25 mm
Magnet Weight: 240 g
DC Resistance (Re): 5,6 Ohm
Voice Coil Inductance (Le): 0.9 mH
Resonant Frequency (Fs): 38 Hz
Mechanical Q (Qms): 4.9
Electromagnetic Q (Qes): 0.82
Total Q (Qts): 0.7
Surface Area of Cone (Sd): 231 cm2
BL Product (BL): 5.2 Txm
Compliance Equivalent Volume (Vas): 81 Liters
Basket / Frame Material: Magnesium
Overall Outside Diameter: 215 mm
Overall Depth: 77.4 mm
Baffle Cutout Diameter: 186.5 mm
Mounting Holes: 4
Mounting Hole Diameter: 5 mm
