JBL 2441
¥ 145,000 (1 unit, around 1981)
Commentary
Driver unit suitable for sound reproduction in large halls and theaters based on 375.
By combining the powerful magnetic circuit of the Alnico V magnet with the diamond suspension diaphragm, the response is smoothly expanded to 18 khz high sound range even though it is a large diameter driver.
Diamond suspension has the same qualities and reliability as roll edge, and moreover, it is a vibration system support structure unique to JBL that realizes linearity superior to tangential edge.
An aluminum ribbon is used for the voice coil.
Model Rating
Type | Driver unit |
Throat diameter | 5cm |
Impedance | 16 Ω |
Allowable input | 70W (continuous program) |
Sound pressure level | 118 dB (1 mW, 9.1m) 111dB/W/m |
Frequency characteristic | 500 Hz to 18 kHz |
Crossover frequency | 500 Hz or more |
Magnetic flux density | 20,500 gauss (listed in the catalog) 18,000 gauss (described in the technical manual) |
Diaphragm | 0.08 mm Aluminum |
Voice coil | 10 cm Aluminum |
External dimensions | Diameter 178x Depth 136 mm |
Weight | 11.3kg |