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  1. JL 12W7 - Down Firing

    Sealed Subwoofer Build Projects
    Hi Everyone! I have been floating around for some time but decided to make the plunge. I have a JL 12W7 that I plan to build a down firing sealed enclosure for. My enclosure will be 3/4" MDF 15.5" wide x 15.5" long x 17.25" deep (tall). It will have a 2.5" baffle in order to sink the driver in...
  2. Is 2100 watts to much for a jl audio 12w7 ported box

    Subwoofer Amps | High Pass Filters
    I am back :) I have been using a crown xls2000 amplifier to power my Jl audio 12w7 subwoofer in a 566 liter box . I have been using one channel of the amplifier to run the subwoofer at roughly 850 watts . The subwoofer is rated at 3 ohms and the amplifier is rated at 2 ohms 1050 watts , 4...
  3. Second DIY sub project- 2 JLAudio 12W7's

    Sealed Subwoofer Build Projects
    I recently acquired 2 JL Audio 12w7's, a Crown CE4000, and a RANE PE-17 and am interested in building a sealed system with equalization, similar to the Fathom F212. I have woodworking experience and tools and previously built a sub with an 18" LMS5400 and two passives. I would appreciate...
  4. MiniDSP to run a ported 12w7 & 2-sealed 12w3s

    Electronic Processing/Equalization Devices
    Hello, I am wanting to purchase a miniDSP to set crossover points for hpf and lpf ect and overall tuning needed. This is my first diy subwoofer build and eq set off. :dontknow: yep, somewhat clueless:help: What do I need with my miniDSP ? plugin ? Thank you for your response in advance .
  5. JL 12W7 DIY Build Advice

    DIY Subwoofers - General Discussion
    Hi all, I came across a JL 12W7 for a very cheap price. I have it in my car now, but I'm pretty done with bass in the car. I've made some recent posts about replacing my PB12 NSD with a PB13-Ultra, but was now thinking of a DIY build. I don't have many limitations with space or budget, but...