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 - 120 W Peak
• Power Handling - 40 W RMS
• 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