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  1. GR Research FG12 Servo

    The Sub Zone (Subwoofer Testing)
    Driver 12" high excursion with custom sensing coil Driver materials Treated paper with foam surround Cast aluminum basket Amplifier 370w RMS class A/B patented servo controlled Dimensions 15-3/4"(W) x 15-3/4" (H )x 17"(D) - (18-1/2" D with grille) Shipping Weight 80 lbs Frequency...
  2. GR Research

    Manufacturers & Vendors Reference Info Forum
    GR Research http://gr-research.com/ 910 N. Jackson Iowa Park, Texas 76367 USA 940-592-3400 [email protected] GR Research began in 1995 as a passion for high quality audio turned business venture. We are driven by a desire for excellence and expect nothing less than to turn the next page in...
  3. GR Research/Rythmik Audio F12 Review Template

    Reviewers Private Forum
    Foreword: I was provided a Rythmik F12 Subwoofer consisting of GR Research's SW-12-04 Subwoofer Servo Driver and Rythmik's AE370PEQ Amplifier. These two came loaded in the Rythmik provided enclosure and sold as the FG12. Dale has provided testing of the loaded enclosure; you can find it here...
  4. Welcome Danny Richie and GR Research as a New Sponsor at HTS!

    Forum Announcements | News
    I know a LOT of you will already know Danny and/or are familiar with GR Research. We are tickled that they are now a sponsor at Home Theater Shack and will have their very own forum. GR Research forum here at HTS! GR Research has been around since 1995. They currently offer a line of...
  5. Dual GR Research SW-12a Project

    DIY Subwoofers - General Discussion
    I am looking to start planning a enclosure project using two SW-12A subwoofers from GR Research. They recommend using 2.6 cubic feet tuned to 20hz for best performance per driver. Below are the parameters: SW-12A parameters: Mechanical Parameters: * Fs = 20.5 hertz * Qms = 4.85 * Vas = 3.56...
  6. Need some help, I cant calibrate my GR Session I/O

    REW Forum
    Hello people, first my apologies if this mail became too big, Im non native english speaker... please, sorry my english. Ive just installed REW. Never had any experience with acoustics so far, today is my first time. Im attempting to calibrate my soundcard which is a NI Guitar Rig Session I/O...
  7. FS: Ref 1.5 w/nm, Ref 100, Elt DPA, GR N2x, CA 340a

    Classifieds - Speakers and Subwoofers
    FS: Ref 1.5 w/nm, GR N2x I have for sale the following items. All items shipping from 97006. I have original boxes to ship them in. I also have a box to ship the GR speakers in as well. Any questions let me know. Ref 1.5s with Ninja Master Upgrade and $550 OBO plus shipping - A nick in the...
  8. GR AV-1RS build

    DIY Speakers
    Thought I would start up this thread as my AV-1RS progresses. I can't really call this DIY because I am having Danny assemble the circuit and Elemental Designs build the cabinet. Kind of fun though to be able to coordinate the building of the speakers. Here are pictures of the enclosures which...
  9. Gr Research Sw-12a/Pr-12a pair?

    DIY Subwoofers - General Discussion
    For 129.99 you get what looks like a good 12" driver and PR for a 2.4ft^3 enclosure. For a grand total of I'd say ~$300 for this project including amp/mdf to build the box it looks like a nice way to get into DIY ;) Anyone get a chance to hear one of these in action?
  10. Review: Monitor Audio GR10, GR Center and GRfx

    Home Audio Speakers
    I have had my Monitor Audio GR series 5.1 system for about a month now, and for the first time in about 10 years, I am not thinking about my next speaker upgrade. I was able to get the MA's at a screaming price because they were recently closed out to introduce the new GS series. It is my...