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LAB - Dummy Head Microphone

Amadeux Dummy Head Binaural Mic Project


Dummy Head Binaural Microphone Project - Testa binaurale


Progetto Testa microfonica Amadeux #1 per Registrazione Binaurale

testi e immagini a cura di Marco Stefanelli, Ph.D.


Amadeux Dummy Head Binaural Microphone Project


Avviato nel gennaio 2021 il progetto per la realizzazione di una testa microfonica professionale per registrazione binaurale a basso costo su ispirazione e modello della Neumann KU100.


Prototipo #1 funzionante in silicone e polistirolo


Prototipo #2 funzionante in PVC e schiuma poliuretanica


Apertura posteriore e uscita jack 3.5 stereo


Interfaccia jack 3.5-XLR phantom stereo


Rack outboard per i vari test




Silicon ear dummy


Microfoni e capsule microfoniche


Mic #1 - Roland WPM10 capsule Specifications

Directional Pattern: Omnidirectional
Frequency range: 20 Hz - 20kHz
Sensitivity: -33.5±3dB at 1kHz (0dB=1V/Pa) Rl=3.5KO, Vcc=5V
S/N Ratio: 57 dB at 1kHz
Max. SPL, peak before clipping: 130 dB SPL (Typ.) at 1kHz Distortion level 3% max
Output impedance: 2k O ± 30% at 1kHz (RL=3.5k O)
Operating Voltage: 5V (3V~10V)
Microphone diameter: 5.4 mm (0.21 in)



Mic #2 - Primo EM272 capsule Specifications

Directional Pattern: Omnidirectional
Frequency range: 60 Hz - 20kHz
Sensitivity: -28±3dB at 1kHz (0dB=1V/Pa) Rl=3.9KO, Vcc=5V
S/N Ratio: 80 dB at 1kHz
Max. SPL, peak before clipping: 122 dB SPL (Typ.) at 1kHz Distortion level 3% max
Output impedance: 2.4k O ± 30% at 1kHz (RL=3.9k O)
Operating Voltage: 5V (3V~10V)
Microphone diameter: 10 mm (0.39 in)



Mic #3 - DPA 4060 capsule Specifications

Directional Pattern: Omnidirectional
Cartridge Type: Pre-polarized condenser
Frequency Range: 20 Hz - 20 kHz
Frequency range, ±2 dB: Soft boost grid: 20 Hz - 20 kHz, 3 dB soft boost at 8 - 20 kHz. High boost grid: 20 Hz - 20 kHz, 10 dB boost at 12 kHz
Sensitivity, nominal, ±3 dB at 1 kHz: 20 mV/Pa; -34 dB re. 1 V/Pa
S/N ratio (A-weighted), re. 1 kHz at 1 Pa (94 dB SPL): 71 dB(A)
Total harmonic distortion (THD) (Bare mic without ears): < 1% THD up to 123 dB SPL peak; < 1% THD up to 120 dB SPL RMS sine
Dynamic range: Typ. 100 dB
Max. SPL, peak before clipping: 134 dB
Output impedance: 30 - 40 O
Power supply (for full performance): Min. 5 V - max. 50 V. 48 V phantom power ±4 V for full performance
Microphone diameter: 5.4 mm (0.21 in)
Temperature range: -40°C to 45°C (-40°F to 113°F)
Relative humidity (RH): Up to 90%



Grafici e immagini di riferimento







Neumann KU100 internal


Primo EM272








Work in progress...