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  • Home
  • Products
    • DIY Loudspeaker Kits
      • AV Series
        • A/V-1
        • A/V-1C
        • A/V-1RS
        • A/V-O
        • A/V-2
        • A/V-3S
        • A/V-3
      • LGK Series
        • LGK 1.0
        • Flat 5
        • Skinny 6
      • X-Series
        • X-LS Encore
        • X-MTM Encore
        • X-CS Encore
        • X-Statik
        • X-Omni
        • X-Voce
      • NX-Series
        • NX-Studio
        • NX-Otica
        • NX-Treme
    • DIY Subwooofer Kits
      • Servo Sub Kit 1
      • Servo Sub Kit 2
      • Servo Sub Kit 3
      • Servo Sub Kit 4
      • Servo Sub Kit 5
    • Speaker Modifications
      • Klipsch Upgrades
        • RP-504C
        • RP-600C
        • RP-600M
        • RP-8000F
        • RF7 II
        • Forte III
      • Kef Upgrades
        • Kef 204 Upgrade
      • SVS Upgrades
        • SVS Ultra Center Speaker
      • Magnepan Upgrades
        • Magnepan 1.6 Upgrade
        • Magnepan 1.7 Upgrade
    • Completed Speakers
    • Drivers
      • Tweeters
      • Woofers
      • Subwoofers
    • Electronics
      • Direct Servo Plate Amplifiers
      • Commemorative Design Stereo Amplifier
    • Cables
      • Speaker Cables
      • Interconnects
      • Power Cords
    • Flatpacks
    • Accessories
  • Services
  • Social Media
    • Youtube
    • Forums
    • Facebook
    • Instagram
  • Technical
    • Driver burn-in
    • Burn in Myths
  • Contact
1-940-592-3400
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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 mainstream loudspeaker design.

​We offer many high quality loudspeakers in kit form. We have high quality crossover components and accessories for any project. We have our own proprietary line of drivers that are used in our designs. We also provide a wide range of design services from complete commercial product line design to assistance with individual custom products and upgrades.

​Give us a call or email for more information 1-940-592-3400
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About GR-Research

We offer a wide range of services available to a wide range of customers. We do design work for other
loudspeaker companies as well as individuals. Contact us for more information. 1-940-592-3400
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Awards and Recognition

​©Copyright 2018 GR Research, Inc.
GR Research Inc.  1716 Texowa Rd.  Iowa Park, TX 76367 USA  Tel 1-940-592-3400
  • Home
  • Products
    • DIY Loudspeaker Kits
      • AV Series
        • A/V-1
        • A/V-1C
        • A/V-1RS
        • A/V-O
        • A/V-2
        • A/V-3S
        • A/V-3
      • LGK Series
        • LGK 1.0
        • Flat 5
        • Skinny 6
      • X-Series
        • X-LS Encore
        • X-MTM Encore
        • X-CS Encore
        • X-Statik
        • X-Omni
        • X-Voce
      • NX-Series
        • NX-Studio
        • NX-Otica
        • NX-Treme
    • DIY Subwooofer Kits
      • Servo Sub Kit 1
      • Servo Sub Kit 2
      • Servo Sub Kit 3
      • Servo Sub Kit 4
      • Servo Sub Kit 5
    • Speaker Modifications
      • Klipsch Upgrades
        • RP-504C
        • RP-600C
        • RP-600M
        • RP-8000F
        • RF7 II
        • Forte III
      • Kef Upgrades
        • Kef 204 Upgrade
      • SVS Upgrades
        • SVS Ultra Center Speaker
      • Magnepan Upgrades
        • Magnepan 1.6 Upgrade
        • Magnepan 1.7 Upgrade
    • Completed Speakers
    • Drivers
      • Tweeters
      • Woofers
      • Subwoofers
    • Electronics
      • Direct Servo Plate Amplifiers
      • Commemorative Design Stereo Amplifier
    • Cables
      • Speaker Cables
      • Interconnects
      • Power Cords
    • Flatpacks
    • Accessories
  • Services
  • Social Media
    • Youtube
    • Forums
    • Facebook
    • Instagram
  • Technical
    • Driver burn-in
    • Burn in Myths
  • Contact