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Technical Highlights
- 120 W peak power, 4 ohm impedance, 80 Hz to 7.5 kHz frequency response.
- 25 mm copper voice coil, water-repellent membrane, high efficiency.
- Compact basket, easy OEM installation, abrasion-resistant coating.
- More technical details
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Prima AP 4 by Audison
Audison Prima AP 4 is a 4 inch (10 cm) mid-bass driver with a nominal size of 100 mm. The frequency response ranges from 80 to 7.5 kHz, the impedance is 4 Ohm, and the sound pressure level is 91 dB. The power handling is 120 W peak and 40 W continuous. It features a 25 mm voice coil made of pure copper, a water-repellent treated paper cone, and a TPU surround with a flat triple-wave profile. The cone profile was developed using FEM and optimized with the Klippel Scan Vibrometer; developed with the KLIPPEL Suite. The compact basket is coated with an abrasion- and scratch-resistant finish, complemented by a low installation depth. Re 3.2 Ohm, Qts 1, Qes 1.2, and Xmax 1.8 mm are specified. Fs 125 Hz, Vas 1.5 l, Mms 5 g, Cms 0.3 mm/N, and BL 3.4 T m are detailed. Dimensions: A 103 mm, B 93 mm, C 43 mm, D 41 mm; Weight 0.4 kg.
- 4 inch (10 cm) mid-bass driver
- Size 100 mm
- Power handling peak 120 W
- Power handling continuous 40 W
- Impedance 4 Ohm
- Frequency response 80 - 7.5 kHz
- Voice coil 25 mm made of pure copper
- Water-repellent treated paper cone
- TPU surround with flat triple-wave profile
- Compact basket with abrasion-resistant and scratch-resistant coating
- Low installation depth
- No passive crossover required thanks to mechanically calibrated low-pass cutoff frequency
- Cone profile developed via FEM and optimized with Klippel Scan Vibrometer
- Developed with the KLIPPEL Suite
- Very wide frequency response and high efficiency
- Size 100 mm
- Power handling peak 120 W
- Power handling continuous 40 W
- Impedance 4 Ohm
- Frequency response 80 - 7.5 kHz
- Voice coil 25 mm
- Xmax 1.8 mm
- Qes 1.2
- D 85 mm
- Re 3.2 Ohm
- Fs 125 Hz
- Vas 1.5 l
- Mms 5 g
- Cms 0.3 mm/N
- BL 3.4 T m
- Qms 7.6
- Qts 1
- Le 0.16 mH
- SPL 91 dB
- Weight 0.4 kg
- Dimension A 103 mm
- Dimension B 93 mm
- Dimension C 43 mm
- Dimension D 41 mm

