YAMAHA JA-3882/JA-3882B
¥ 42,000 (1 piece, around 1980)
Commentary
Professional series 38 cm cone type woofer.
The difference between JA 3882 and JA 3882 b is the impedance, JA 3882 is 8 Ω and JA 3882 b is 16 Ω.
Designed for professional use such as musical instruments with high input resistance and high efficiency.
It can be used in a wide variety of enclosures, including large enclosed, bass, back-load, and front-load enclosures.
.JPG)
.JPG)
.JPG)
.JPG)
Model Rating
| Type | 38 cm Cone Woofer |
| Nominal impedance | JA-3882 : 8 Ω JA-3882B : 16 Ω |
| Playback frequency band | 30 Hz to 4 kHz |
| Recommended bandwidth | 20 Hz to 1.5 kHz |
| Rated input | 150W |
| Max Input | 300W |
| Output sound pressure level | 102dB/W · m |
| Voice coil diameter | 100 φ mm |
| Equivalent mass | 71g |
| Qo | 0.13 |
| fo | 30Hz |
| Magnet | Ferrite, 2.9 kg |
| Magnetic flux density | 13,000gauss |
| Total flux | 367,600maxwell |
| Recommended box capacity | Approximately 300L |
| External dimensions | Diameter 390 mm x Height 148 mm |
| Weight | 11.6kg |