APK 570 systems is ideal for car models with doors equipped to house elliptical speakers featuring 5×7 in. woofers and AP 1 tweeter with dedicated crossovers APCX TW 570.The crossovers are ultra-compact to facilitate their installation and include an attenuation of the tweeter output level for outstanding fine-tuning. The R&D team optimized the electro-acoustic parameters of the new woofers for installation in the car door, respecting all the characteristics of the Prima speakers, such as the compact size of the basket to facilitate installation. The mechanical cut-off of the woofer cone-dust cap system ensures they can be used without a filter, maximizing efficiency to be easily driven by any type of amplifier. The large voice coil ensures high power handling and impeccable control even in the most aggressive dynamic transients. The double Fasten connectors with direct link to the tweeter speed up the speakers connection, always ensuring a perfect contact.
TECHNICAL SPECS
| Woofer Size | 570 mm |
| Tweeter Size | 26 mm |
| Woofer Voice Coil Diameter | 32 mm |
| Tweeter Voice Coil Diameter | 20 mm |
| Crossover Type | HP 6 dB Oct – 3kHz |
| Magnet Size Woofer | 85 x 40 x 15 |
| Power Handling – Peak | 300 W |
| Power Handling – Continuous | 100 W |
| Impedance | 4 Ohm |
| Frequency Response | 55 – 20 k |
| Woofer Cone Diameter | 139 mm |
| Xmax Woofer | 2.5 mm |
ELECTRIC-ACOUSTIC SPECS
| Re Woofer | 3.1 Ohm |
| Fs Woofer | 70 Hz |
| Le Woofer mH @ 1 kHz | 0.23 |
| Vas Woofer | 10.5 l |
| Mms Woofer | 14.5 g |
| Cms Woofer | 0.32 |
| Bxl Woofer | 4.6 |
| Qts Woofer | 0.85 |
| Qms Woofer | 6.5 |
| Qes Tweeter | 2,78 |
| Spl Woofer | 93.5 dB |
GENERAL
| Weight Woofer | 0.88 kg |
| Weight Tweeter | 0.04 kg |
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