AP 4 Mid Range | 120 W Peak Power | 100 mm | 4 ohm
The AP 4 midbass offers very extended frequency response, both in high and low frequencies, combined with high efficiency and features a 25 mm pure copper voice coil to ensure more balance in mid-high frequency ranges.
Technical Specs
| Nominal diameter | 100 mm (4 in) |
| Impedance | 4 Ohm |
| Power Handling - Peak | 120 W |
| Power Handling - Continuous | 40 W |
| Sensitivity | 91 dB |
| Frequency Response | 80 ÷ 7,5k Hz |
| Voice Coil Ø | 25 mm |
| Magnet size D x d x h | 70 x 32 x 10 mm (in.) |
| Xmax | 1.8 mm (0.07 in) |
Electric-acoustic Specs
| Re | 3.2 Ohm |
| Fs | 125 Hz |
| Le | 0.16 mH |
| Vas | 1.5 l (0.053 ft) |
| Mms | 5 g (0.176 oz) |
| Cms | 0.3 mm/N |
| BL | 3.4 T•m |
| Qts | 1 |
| Qes | 1,2 |
| Qms | 7.6 |
General
| Weight | 0.4 kg |
Dimensions
|
|
| Dimension A | 103 mm (4.06 in) |
| Dimension A3 | 130 mm |
| Dimension B | 93 mm (3.66 in) |
| Dimension C | 43 mm (1.69 in) |
| Dimension D | 41 mm (1.61 in) |
Features
- Very extended frequency response, in both high and low frequencies, combined with high efficiency.
- No passive crossover required to maximize efficiency: the cone is optimized with the Klippel Scan Vibrometer to obtain a calibrated mechanical low-pass cut-off frequency.
- Water-repellent treated paper cone, featuring a profile developed with FEM (Finite Element Method) simulation technology and optimized with the Klippel R&D Scan Vibrometer.
- Reduced mounting depth, providing ease of installation in OEM placements.
- TPU (Thermoplastic Polyurethane) surround, featuring the exclusive shallow “Triple Wave” profile, for maximum excursion linearity.
- 25 mm pure copper voice coil; ensuring precise balance in the mid-high frequency range.
- Compact basket, protected by abrasion-resistant and scratch-proof coating.
- Developed with the KLIPPEL suite.
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