GOTO UNIT SD-4000/4300A/B/4500/4600
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Commentary
Network by LC division method.
SD-4000 is for 2-way use, and SD-4300A / SD-4300B / SD-4500 / SD-4600 is for 3-way use.
Air-core coil using 1.2 φ enamel wire is adopted for SD-4000, SD-4300A, SD-4500 and SD-4600.
In addition, an air core coil using a 1.5 φ enamel wire is adopted for SD 4300 b.
A MP capacitor is used.
There are two types of cutoff characteristics, 12 dB and 6 dB, and they are manufactured while measuring each unit.
Model Rating
Type | LC type network | ||||
Model Name | SD-4000 | SD-4300A | SD-4300B | SD-4500 | SD-4600 |
Use | 2way | 3way | |||
Crossover frequency | 4kHz | 300 Hz, 4 kHz | 500 Hz, 4 kHz | 600 Hz, 4 kHz | |
Attenuation | 12dB/oct | ||||
Coil used | 1.2 φ Copper Air Core Coil | 1.5 φ Copper Air Core Coil | 1.2 φ Copper Air Core Coil |