audio-sound @ hatena

An audio review & news blog. The volume should not exceed 80 dB is recommended. I usually adhere to the safe-listening style by WHO. Please note that my aural impressions and interpretations of measurements are also made from a safe-listening style.

about "audio-sound @ hatena"




"audio-sound @ hatena" is a blog for reviews, sales and news related to audio that is run in Japan. This English version is an excerpt from a review article on audio-sound @ hatena.


If you would like to get in touch with us, please contact us at the following email address.


Measuring equipment

  • SAMURA HATS Type3500RHR System: HEAD & TORSO, left and right S-Type ear model (Type4565 / 4566: IEC60268-7 compliant)
  • AWA type 6162 711 ear simulator
  • Microphone preamplifier: Type4053
  • Type5050 microphone amplifier power supply
  • Bluetooth Transmitter: FiiO BTA30
  • Audio interface: RME ADI-2 Pro FS R Black Edition
  • analyzar software 1: TypeDSSF3-L
  • analyzar software 2: Room EQ Wizard