beau123 Posted October 13, 2014 Report Posted October 13, 2014 can somebody help me with a enclosure design for a jbl gt5 10'' want to go with ported i was thinking to make the enclosure with the recommended design. but i don't know how to calculate it to the cutsheet. the MDF what i wanted to use is 22mm thick. i tought the inside of the box can be 40X30X29,5 cm. or maybe a little bit bigger to tune lower i don't know how it is going to sound there is space enough. it is going in a mazda xedos9 sedan electrical upgrades: none 35 mm2 cable to the amp grounded at the seatbelt bolts. It is going to get 460 watts @4 ohm on a Audio system twister f4 600 amp. specs: Audio Specifications Peak Power 1000W Frequency Response 30Hz – 500Hz Sensitivity (2.83V/1m) 91dB Nominal Impedance 4 ohms Power Handling (RMS) 250W Power Handling (Peak) 1000W Woofer Specifications Driver Radiating Area (Sd – in2/cm2) 56.3/363 Total Q (Qts) 0.49 Compliance Volume (Vas – ft3 / l) 1.11/31.5 Electrical Q (Qes) 0.54 Suspension Compliance (Cms – ?m/N) 167.3 Motor Force Factor (Bl – Tm) 14.76 Maximum Excursion (Xmax –in/mm) .56/14.2 Voice Coil DC Resistance (Revc – ohms) 4 Mechanical Q (Qms) 6.48 Free-Air Resonance (Fs – Hz) 30 Magnetic Gap Height (Hag – in/mm) 0.315/8 Voice Inductance @ 1kHz (Levc – mH) 2.69 Voice Coil Height (Hvc – in/mm) 1.43/36.4 Dimensions External Diameter (in) 10-3/8 External Diameter (mm) 264 Mounting Cutout Diameter (in) 9-3/16 Mounting Cutout Diameter (mm) 233 Mounting Depth (in) 5-5/16 Mounting Depth (mm) 151
Joe X Posted October 13, 2014 Report Posted October 13, 2014 So here is a suggestion sub / port firing forwards / backwards, check suggested external dimensions fit your vehicle , power: to sub(s) rated, amp subsonic filter to 28Hz, minimum port clearance 4 cm, figure is just an assembly guide:NOTE: If building outside you need to build a cardboard dummy box to test fit in it's way inside.
beau123 Posted October 13, 2014 Author Report Posted October 13, 2014 this looks again awesome Joe Thank you very much.
beau123 Posted December 29, 2014 Author Report Posted December 29, 2014 the box sounds perfect even in the big trunkroom that it has. does this box also work for the gt-4 10''? he first wanted to built a box for a gt4 and a gt5 because of the diffrences i built one for thebrand new one. he was so happy with it that he gave me the other one.
Joe X Posted December 29, 2014 Report Posted December 29, 2014 Glad that went well for you, the GT-4 10 is recommended to work in a larger box.
beau123 Posted December 30, 2014 Author Report Posted December 30, 2014 Glad that went well for you, the GT-4 10 is recommended to work in a larger box. not much larger i hope? this one is to fit in my own car a volkswagen golf mk4. and then i want to sell my l7 to buy something that plays loud and low in a smaller box
Joe X Posted December 30, 2014 Report Posted December 30, 2014 Those are recommended for 1.75 net which is above average for a 10" but it's still likely that will fit without issues in your vehicle. if you liked the outcome of the last box, simple would be to get the same gt5 10 and use the above box.
beau123 Posted December 30, 2014 Author Report Posted December 30, 2014 Those are recommended for 1.75 net which is above average for a 10" but it's still likely that will fit without issues in your vehicle. if you liked the outcome of the last box, simple would be to get the same gt5 10 and use the above box. i can do that the retail is about 40€ around $60 i think. i think that i want to use 2 of them i like the sound quality of them. i also like the Gladen sqx,sql line.
Joe X Posted December 31, 2014 Report Posted December 31, 2014 If you have the space for two of those GT5s in your vehicle go for it.
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