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The boy's gettin' some BASS!

Tom_STom_S
edited March 9 in DIY

Our youngest has been eyeing my LAB 12s hanging in the storage room for years. Now that he has his own place, I thought it was time he had a decent HT/music system. I bought him a pair of the GRS 12SE-4HE subs for his birthday thinking it would be a good grownup father/son project. I've had 2 of the AudioSource plate amps on the shelf since he was a toddler and thought they would be perfect for the project. It's not a big house and I would worry about too much low end rattling the windows apart.

We cut all the basic panels yesterday and that gave me a chance to give him a little router tutorial. He's a mechanic and does some light machining at work, so he doesn't need much help, just a few pointers on possible ways to do things easier or safer. I showed how to build a quick jig out of scraps to cut the opening for the plate amp.

We started glue-up today. We should end up at about 1.5 cubic feet sealed with an F3 in the mid 30s. I have a spare miniDSP 2x4, so we have the option to do a little tweaking. Even without that, these should trounce the single Buy Out DCV 8" sub he's using right now.

jr@macPWRRYDhifisideSteve_Leekenrhodestajanes4thtry6thplanet

Comments

  • jr@macjr@mac

    That amp may have boost already.
    Nice project!

    I have a signature.
  • Ron_ERon_E

    You can apply Linkwitz transforms with a MiniDSP.

    Steve_Lee
  • Tom_STom_S

    I decided to try something different with the braces at the last minute. I used my biscuit jointer to cut some slots so the glue might have a little more surface area and not get squeezed out as we were sliding them down into place. Pictures probably say it better than I can describe it -

    Since these are sealed, we used lots of glue. That also means we have to do some scraping before the Duratex.

    jr@macPWRRYDSteve_Leetajanes4thtrySilver1omo
  • 4thtry4thtry

    @Tom_S said:
    ". . . It's not a big house and I would worry about too much low end rattling the windows apart."

    You could call them "The Beer Budget Window Rattlers." I know someone that used that name for a pair of large DIY speakers that he built many, many years ago. B)

  • DrewsBrewsDrewsBrews
    edited March 10

    mid 30s sealed... mmm yeah B)

  • Tom_STom_S
    edited March 10

    We got one running and plopped it on the floor in front of my main speakers. So far, so good. No air leaks that I can hear or feel. I do wish these amps had a variable phase control instead of the simple 0-180 degrees switch, but I think his HT receiver may have some more options. Sure can't complain much for a $50 driver!


    Steve_Leejr@mackenrhodes6thplanettajanesani_1014thtrySilver1omojoeybutts
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