JBL M552
¥ 115,000 (around 1992)
Commentary
A variable electric crossover that supports 2-way stereo and 3-way mono.
It is equipped with an equalization function that brings out the flat and smooth frequency response of the constant directivity horn such as JBL 2360 series and 2380 series.
Uses -24dB/oct Link-Witz-Riley filter to smoothly connect each unit and reduce phase distortion.
Equipped with an LF Summing function that can output low-frequency monaural signals for 3D subwoofer.
Model Rating
| Type | Crossover network | |||
| Crossover frequency |
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| Maximum input level | + 24 dBu (balanced) | |||
| Maximum output level | + 27 dBu (balanced) | |||
| Input impedance | 10k Ω (Balanced) 20k Ω (unbalanced) |
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| Output impedance | 102 Ω (balanced) 51 Ω (unbalanced) |
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| NOISE | Less than -90dBu (LF) -88dBu or Less (HF) |
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| Distortion factor | Not more than 0.004% | |||
| Frequency response | 10 Hz (-0.5 dB) ~ 75 kHz (-3dB) | |||
| External dimensions | Width 483x Height 155x Depth 451 mm | |||
| Weight | 2.7kg |
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