CORAL AF-Series Filter
AF-5000H : ¥ 2,200 (a set of two pieces, around 1980)
AF-6000H : ¥ 2,200 (a set of two pieces, around 1980)
AF-7000H : ¥ 2,000 (a set of two pieces, around 1980)
AF-8000H : ¥ 2,000 (a set of two pieces, around 1980)
Commentary
An audio filter that is perfect for upgrading by easily adding a tweeter.
The numbers of the model numbers indicate the respective cutoff frequencies.
Model Rating
| Type | High-pass filter | |||
| Model number | AF-5000H | AF-6000H | AF-7000H | AF-8000H |
| Cutoff frequency | 5kHz | 6kHz | 7kHz | 8kHz |
| Damping property | 12dB/oct | |||