jm edition
  1. Flexmaster

    Review of the Hifiman HE-R9 JM OCD Extreme Stealth Edition Mod

    Pros: Emphasized bass that is controlled Highly resolving Exceptional soundstage and imaging Inoffensive high frequency range for laid back listening Comfortable for long listening sessions due to being well distributed Cons: Unable to use bluetooth dongle due to modification Weighs 328g...
  2. Hifiman HE-R9 JM OCD Extreme Edition

    Hifiman HE-R9 JM OCD Extreme Edition

    Modification of the Hifiman HE-R9 by John Massaria. Frequency Response of 15–35 kHz Impedance of 32 ohm Sensitivity of 100 dB Weight 328g Important to note that internal wiring of 3.5mm port to driver has been modified; thereby rendering the bluetooth dongle unusable.
    • Flexmaster
    • Head Gear item
    • hifiman he-r9 jm edition jm ocd extreme edition mod
    • Comments: 1
    • Reviews: 2
    • Category: Headphones
  3. msing539

    Hifiman R7DX JM Edition Mod

    For anyone unfamiliar with @John Massaria, the refined Kennerton Gjallahorn JM Edition carries his initials, as one of the first owners who modified those headphones. So when John posted this Drop x Hifiman R7DX in classifieds, I jumped on it right away. The following are some shots of the mod...
  4. Kennerton Gallahorn GH50 JM Edition Horn Graphine Closed Back

    Kennerton Gallahorn GH50 JM Edition Horn Graphine Closed Back

    Driver Graphene-coated multilayered composite Driver Unit 50 mm Frequency Response 10-50000 Hz Sensitivity 116 dB Impedance 33 Ohm Maximum Input Power 250 mW Cord length High quality 2 meters length detachable cable made from OFC wires is terminated with high quality gold plated 6.3 mm TRS...
    • John Massaria
    • Head Gear item
    • 2020 gh50 gh50jm jm edition kennerton
    • Comments: 11
    • Reviews: 3
    • Category: Over-Ear
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