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NetdB Cortex Manikin Acoustic Head

The perfect binaural recording

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Overview

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Main Functions

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Applications

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Specifications

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Picture

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PDF Brochure

OVERVIEW

 

Do you require the highest quality artificial heads for sound recording?
Benefit from the experience of 01dB-Metravib & Cortex Instruments in psychoacoustics to get the perfect product!

bulletFully compliant with the IEC959 (Torso, Head, Ears shapes, Microphones position, Directivity)
bulletMost accurate and reproducible results
bulletEasy calibration of the microphones
bulletSeat stand with rotating mechanism and floor stand solutions
bulletPossible data acquisition with a PDA remote control

 

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Main functions

 

Perfect, true directivity sound reproduction

bulletBy replicating human head and ears, the artificial head reproduces a spatial sound field with incredible fidelity.
bulletHighly increased accuracy for differentiating between single sound sources and their localization

Head and torso construction

bullet"Plug in" ears are made of tear resistant silicone rubber; together with head and torso, moulded to anatomically precise contours, they yield a faithful acoustic directivity pattern
bulletMicrophones accessible for replacement by means of rear panel removable with a single thumb screw

Acquisition front-end

bulletOutput of the manikin connected to any acquisition front-end,
bulletPreferably to NetdB-DAQ12, our sound quality oriented platform: 12 channels, real-time equalization, audio digital outputs, 2 analog outputs, data storage on the disk, up to 4 synchronized manikins + RPMs


 

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SPECIFICATIONS

Mechanical specifications

bulletColour: Gray
bulletDimensions: 520 x 430 x 240 mm (W x H x D)
bulletWeight: 14 lbs (7 kg)
bulletMaterial: Polyurethane with Nextel coating
bulletEars: soft silicone
bulletDirectivity: In acc. with IEC 959 & DIN V 45608
bulletOutput: 2 analog outputs (Left & right ears)

Microphones specifications

bulletType: MTG NC-MK231 1/2 "
bulletPolarisation voltage: +200 VDC
bulletHeating voltage: +12 VDC
bulletFreq. range free-field: 3,5 Hz to 16 kHz (± 3 dB)
bulletSensitivity: 50 mV/Pa
bulletMax. SPL for THD < 3 % at 1 kHz: 146 dB
bulletInherent noise: 15 dBA
bulletPolarisation voltage: 200 V

Repeatibility

bulletProduction process fully controlled.
bulletCortex manikin is a completely repeatable metrological system as illustrated on figure beside showing 3 manikin responses for a front view incidence of the sound field.

Standards

The directivity of the Cortex (red curves) fits to the IEC959 standard (black curves are min. and max level to be satisfied all along the frequency range).

Accessories

bulletSeat Stand to hold the manikin on a seat (car applications) - COC3050000
bulletSeat Stand to hold the manikin (industry applications) - COC3047000
bulletFlight case for the secure transportation of the MK & its accessories - COC348000

Related Products

bulletNetdB-DAQ12, 12 channel acquisition front-end
bulletProfessional sound cards (VxPocket V2, VxPocket 440, Lynx One)
bulletOPUS 2 channels conditioning unit
bulletHigh quality headphone (HD580, HD650)
bulletdBSonic psychoacoustic software
bulletdBJury sound quality evaluation software

 

Download PDF Brochure

 

PICTURE

 

 

 

 

 

 

 

 

 

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