Deaf Bonce Apocalypse DB-3515R

Apocalypse DB-3515R is a 15 inch (38 cm) Subwoofer from Deaf Bonce with 3500 Watts RMS and 7000 Watts maximum. Available as DB-3515R D2 with 2+2 Ohm and DB-3515R D1 with 1+1 Ohm, SPL 87.50 / 87.30 dB. Displacement Xmax 22.50 mm per direction, Xmeh 45.00 mm. Diaphragm and dust cap made of carbon, frame made of aluminum, magnet made of ferrite, surround made of foam with ribbed structure. With 88.9 mm voice coil and generously ventilated former. Installation depth 278.5 mm, cut-out size 355.0 mm, gross weight 39.6 kg. Fs 32.30 / 32.00 Hz, Qts 0.39 / 0.38, BL 27.20 / 23.90, Vas 69.00 / 68.30 L. Features 15 inch (38 cm) Subwoofer RMS power 3500 Watts Maximum power 7000 Watts Impedance 2+2 Ohm (DB-3515R D2) / 1+1 Ohm (DB-3515R D1) Voice coil 88.9 mm Diaphragm and dust cap made of carbon Magnet made of ferrite Surround made of foam with ribbed structure Former generously ventilated Frame made of aluminum Installation depth 278.5 mm Cut-out size 355.0 mm Gross weight 39.6 kg Technical Specifications Variants DB-3515R D2 / DB-3515R D1 SPL 87.50 dB (D2) / 87.30 dB (D1) Resonance frequency Fs 32.30 Hz (D2) / 32.00 Hz (D1) Qts 0.39 (D2) / 0.38 (D1) BL 27.20 / 23.90 Vas 69.00 L (D2) / 68.30 L (D1) Xmax 22.50 mm Xmeh 45.00 mm