![]() ![]() SPL, peak before clipping 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. 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 100 Hz - 10kHz Sensitivity -28☓dB at 1kHz (0dB=1V/Pa) Rl=3.9KΩ, Vcc=5V S/N Ratio 80 dB at 1kHz Max. No need to purchase the prosthetic ear accessory. All Free Space microphones include the polyurethane ears. ![]() What's Included Every Free Space microphone ships with an 8" long 3.5mm (1/8") stereo TRS M2M cable. For more information, see the User Guide. Microphone Capsules The Free Space uses matched Primo EM172 hi-sensitivity capsules. The battery is used to power the microphone capsules. Battery The Free Space contains a 9V alkaline battery within the chassis. The base of the microphone has a 1/4"-20 female thread mounting hole that can be connected to a hot-shoe adapter or used to mount directly onto a tripod or grip handle. The microphone stand adapter is removable. Mounting The Free Space comes standard with a 5/8" microphone stand adapter installed in the base. Simply plug it in to your favorite stereo audio recorder or microphone pre-amp, and start recording true binaural audio. The Free space XLR uses Primo EM172 microphone capsules that are extremely sensitive and quiet creating the perfect binaural recording. Standard Output The output of the Free Space binaural microphone is a stereo 3.5mm (1/8") output jack. The 3DIO Free Space XLR is a professional binaural microphone that allows you to capture hyper realistic audio for unique videos, games, radio and more. The effect is so powerful because the Free Space design is based on 13+ years of research into binaural technology and human hearing. When you listen to a recording captured with the Free Space using headphones or 3D capable speakers, you hear the sound as if you were there at the time of recording. Why does it sound so natural? The Free Space captures sound just like we hear sound in the real world with our own ears. Wind sounds realistic without affecting the binaural experience or overloading the microphones. The microphone works well in windy conditions even without protection. It also prevents any harsh effects that are sometimes associated with binaural recordings using smaller capsules. This is excellent for recording instruments with loud high frequencies like drum cymbals or strummed acoustic guitars. The frequency response of the EM172 capsules used in the Free Space rolls off slightly above 10kHz. ![]() This brings out the punch as well as provides low-end support for bass-heavy sounds. The Free Space has a very warm and solid response in the low to mid-range frequencies. The Free Space delivers portable, professional quality binaural in the palm of your hand. The EM172 capsules have a very natural presence, perfect for binaural recordings. The integrated Primo EM172 microphone capsules are extremely sensitive and quiet. This makes the 3DIO binaural microphones ideal for applications such as 360 and 180 VR video and any professional recording situation where authentic sound quality is critical.The Free Space binaural microphone is the most affordable, high-quality binaural microphone on the market. When listening to binaural recordings with headphones, a natural three-dimensional sound gives the listener the sensation of being in the space where the audio was recorded. Furthermore, the time delay between the left and right ear gives us proper directional perception. ![]() These ears (pinnae) dramatically alter the incoming sound waves, however the human brain understands and interprets these alterations as directional cues. Binaural recording is the process using microphones shaped like human ears to capture audio in the same way that we hear. It also prevents any harsh effects sometimes associated with binaural recordings using smaller capsules.ģDIO manufacture premium quality 3D audio recording devices that are popular with professional recording engineers as well as amateur enthusiasts. drum cymbals or strummed acoustic guitars. The frequency response of the EM172 capsules rolls off slightly above 10kHz making them excellent for recording instruments with loud high frequencies e.g. The 3Dio Free Space has a very warm and solid response in low to mid-range frequencies and also provides low-end support for bass-heavy sounds. This allows users to capture sound just as we would naturally hear it and enable you to pinpoint the sound location in space. The 3Dio Free Space binaural microphone is an affordable, high-quality binaural microphone comprising Primo EM172 microphone capsules embedded inside two prosthetic ears. ![]()
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