Free Space Binaural Microphone
The Free Spacebinaural microphone is the most affordable, high-quality binauralmicrophone on the market. The integrated microphone capsules are extremelysensitive and quiet. The capsules have a very natural presence, perfect forbinaural recordings. The Free Space delivers portable, professional qualitybinaural in the palm of your hand. The Free Space has a very warm and solidresponse in the low to mid-range frequencies. This brings out the punch as wellas provides low-end support for bass-heavy sounds. The frequency response ofthe capsules used in the Free Space rolls off slightly above 10kHz. Thisis excellent for recording instruments with loud high frequencies like drumcymbals or strummed acoustic guitars. It also prevents any harsh effects thatare sometimes associated with binaural recordings using smaller capsules. Themicrophone works well in windy conditions even without protection.Wind sounds realistic without affecting the binaural experience or overloadingthe microphones.
Standard Output
The output of the Free Space binaural microphone is a stereo 3.5mm (1/8")output jack. Simply plug it in to your favorite stereo audio recorder ormicrophone pre-amp, and start recording true binaural audio.
Mounting
The Free Space comes standard with a 5/8" microphone stand adapterinstalled in the base. The microphone stand adapter is removable. The base ofthe microphone has a 1/4"-20 female thread mounting hole that can beconnected to a hot-shoe adapter or used to mount directly onto a tripod orgrip handle.
Battery
The Free Space contains a 9V alkaline battery within the chassis. The batteryis used to power the microphone capsules.
MicrophoneCapsules
The Free Space uses matched hi-sensitivity condenser capsules.
Specifications
Dimensions:7.5" x 4.5" x 4.5" | 190mm x 110mm x 110mm (WxHxD)
Weight: 1.5 lbs |680g
Output: 3.5mm (1/8") stereo jack (mic level output)
Mic Specifications
Directional Pattern：Omnidirectional
Frequency range：60 Hz- 20kHz
Sensitivity：-28±3dBat 1kHz (0dB=1V/Pa) Rl=3.9KΩ, Vcc=5V
S/N Ratio：80 dBat 1kHz
Max. SPL, peak before clipping：122dB SPL (Typ.) at 1kHz Distortion level 3% max
Output impedance：2.4kΩ ± 30% at 1kHz (RL=3.9k Ω)
Operating Voltage：5V(3V~10V)
Microphone diameter：10 mm(0.39 in)
Free Space XLR Binaural Microphone
The 3Dio Free Space XLR Binaural Microphoneis a high-quality binaural microphone. The integrated microphone capsules areextremely sensitive and quiet. The capsules have a very natural presence,perfect for binaural recordings. The Free Space XLR delivers portable,professional quality binaural in the palm of your hand. The Free Space XLR hasa very warm and solid response in the low to mid-range frequencies. This bringsout the punch as well as provides low-end support for bass-heavy sounds. Thefrequency response of the capsules used in the Free Space XLR rolls offslightly above 10kHz. This is excellent for recording instruments withloud high frequencies like drum cymbals or strummed acoustic guitars. It alsoprevents any harsh effects that are sometimes associated with binauralrecordings using smaller capsules.
XLR Phantom Power Output
This upgradedversion of the FS Microphone includes two balanced stereo XLR outputs thatsupport phantom power. Power the Free Space XLR using the 48V supply from yourpre-amp, digital recorder or mixing console. The Free Space XLR also includesan 1/8" stereo jack output that is powered by the internal 9V battery. Thephantom power works regardless of the state of the 9V battery.
Mounting
The Free Space XLRcomes standard with a 5/8" microphone stand adapter installed in thebase. The microphone stand adapter is removable. The base of the microphone hasa 1/4"-20 female thread mounting hole that can be connected to ahot-shoe adapter or used to mount directly onto a tripod or grip handle.
Battery
The Free SpaceXLR contains a 9V alkaline battery within the chassis. Theexchangeable battery is used to power the microphone capsules.
Why does it sound so natural?
The Free Space XLRcaptures sound just like we hear it in the real world with our own ears. Whenyou listen back over headphones or 3D capable speakers, you hear the sound asif your own head was there at the time of recording. The effect is so powerfulbecause the Free Space XLR design is based on 13+ years of research intobinaural technology and human hearing.
MicrophoneCapsules
TheFree Space XLR uses matched hi-sensitivity capsules.
Specifications
Dimensions: 7.5" x4.5" x 4.5" | 190mm x 110mm x 110mm (WxHxD)
Weight: 1.66 lbs | 755g
Output:3.5mm (1/8") stereo jack (mic level output)
Output:Two (2) 3-Pin XLR, Balanced Outputs
Mic Specifications
Directional Pattern：Omnidirectional
Frequency range：60 Hz - 20kHz
Sensitivity：-28±3dB at 1kHz (0dB=1V/Pa) Rl=3.9KΩ, Vcc=5V
S/N Ratio：80 dB at 1kHz
Max. SPL, peak beforeclipping：122 dB SPL (Typ.) at 1kHz Distortion level 3% max
Output impedance：2.4k Ω ± 30% at 1kHz (RL=3.9k Ω)
Operating Voltage：5V (3V~10V)
Microphone diameter：10 mm (0.39 in)
