Ollo Audio S5X 1.3 Calibrated

Reference class, open back, dynamic headphones with flat frequency response for binaural/immersive mixing made in the EU. The new 1.3 version now includes USC calibration.SPEAKERHand picked and left / right matched transducers delivering accuracy and instrument separation. (+/-1dB SPL tolerance, pink noise, range 100Hz-10kHz in free field*)50 mm, PET 25u membrane, 2 layered coil, 50 ohms,Dynamic Neodymium speaker with 108dBSPL @ 0 dBu RMS 1KHz 30ohm output that makes them work with smart devices too.Replaceable using home tools.ACOUSTICSReplaceable earpads with outer diameter of 95 mm(3.75inch), inner diameter of 57.5mm(2.25inch) and depth of 20mm(0.8inch), +/-2.55mm.Perforated hybrid artificial leather and velour earpads to control flow resistance around the earpads seal resulting in smoother response through all frequency bands and improved heat dispersion.1kHz @ 85dBSPL sweep THD < 0.074%, Variation in frequency response in band from 20Hz to 20kHz ~12 dB SPL* pink noise.Front to back air pressure equalization controlled with Saati flow resistor 3.2Ohms(²)/1cm²Ex-centric and angled speaker in a conical radiation chassis with optimal sound stage for the spatialization of objects in binaural rendererFrequency response tuned for translation of immersive mix between binaural and speaker setupHEADBANDArtificial leather strapClamping force set for target frequency response on industry standard bitragional diameter of 14.3cm (KEMAR)Stainless spring steel with powder coating360
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