dbdog

Hi Guys, Hope you are all well and i aslo hope that some one can assist me with working out the correct spec for a true SPL box. please note I will only be doing SPL with this box. Ok so I have 18mm ply wood, 1 12inch subwoofer, 1 amplifier and 1 battery. Here's what i'd like to do Get a minimum of 151db's from this setup Equipment DD Z1a NSB 170 12v Targa TG301-DW The sub specs are as follows and i could be wrong because this is taken directly from the site. 12" COMP SUBWOOFER - DUAL 1 SPECIFICATIONS Fs (free air resonance): 48.7 Hz SPL (efficiency, 1W/1M): 89 dB Nominal Inpedance: 1/2 Ω Qts (total speaker "Q"): 0.606 Qes (electrical "Q"): 0.732 Qms (mechanical "Q"): 3.517 Vas (equivalent compliance): 20.84 L Mounting Depth: 195 mm Mounting Hole Diameter: 300 mm RMS (Watts): 2 x 1500W RMS My Vehicle Opel Corsa Lite + Resonant Frequency 54Hz Current Box Box Properties Name: Type: Vented Box w/ Active HP Filter Shape: Pyramid, truncated Vb = 101.9 liters Fb = 53.99 Hz Fill = none No. of Vents = 1 Vent shape = round Vent ends = two flared Dv = 247.9 mm Lv = 290 mm I would like to go slot port, i would like to increase on my number and i have already done the Big 3, deadening, and alternator upgrade. Your help will be more than appreciated

Hi Guys, Hope you are all well and i aslo hope that some one can assist me with working out the correct spec for a true SPL box. please note I will only be doing SPL with this box. Ok so I have 18mm ply wood, 1 12inch subwoofer, 1 amplifier and 1 battery. Here's what i'd like to do Get a minimum of 151db's from this setup Equipment DD Z1a NSB 170 12v Targa TG301-DW The sub specs are as follows and i could be wrong because this is taken directly from the site. 12" COMP SUBWOOFER - DUAL 1 SPECIFICATIONS Fs (free air resonance): 48.7 Hz SPL (efficiency, 1W/1M): 89 dB Nominal Inpedance: 1/2 Ω Qts (total speaker "Q"): 0.606 Qes (electrical "Q"): 0.732 Qms (mechanical "Q"): 3.517 Vas (equivalent compliance): 20.84 L Mounting Depth: 195 mm Mounting Hole Diameter: 300 mm RMS (Watts): 2 x 1500W RMS My Vehicle Opel Corsa Lite + Resonant Frequency 54Hz Current Box Box Properties Name: Type: Vented Box w/ Active HP Filter Shape: Pyramid, truncated Vb = 101.9 liters Fb = 53.99 Hz Fill = none No. of Vents = 1 Vent shape = round Vent ends = two flared Dv = 247.9 mm Lv = 290 mm I would like to go slot port, i would like to increase on my number and i have already done the Big 3, deadening, and alternator upgrade. Your help will be more than appreciated Thank you and enjoy.