- Description
Details
RF Resistant Cardioid Condenser Mini-Boundary Microphones Miniature installation cardioid "button" style condenser boundary mics for use in teleconferencing or voice lift sound reinforcement. Also may be used in surveillance, ambient recording or audio observation applications. Improved RF immunity to greatly reduce susceptibility to radio interference from GSM based cell phones, PDA/cell phones, cell phones with walkie-talkie capability and other similar devices.
The ASTATIC 201R microphone is a miniature, high performance electret condenser microphones designed for low profile mounting in panels, tables, or ceilings. They have been redesigned with improved RF immunity to greatly reduce susceptibility to radio interference from GSM based cell phones, PDA/cell phones, cell phones with walkie-talkie capability and other similar devices. They are excellent choices for teleconferencing, voice-lift, professional recording, courtrooms, sureveillance and many other critical applications. The 201R is 1.1" in diameter at the largest point and mount in a 13/16" opening in panels up to 2" thick. It is extremely rugged and features a solid machined brass body and Astatic Flex-FormTM hardened grille screens. The 201R also has a built in 80Hz, 12dB/oct high pass filter and is terminated with a standard male 3-pin XLR connector. Color matched shockmount isolators are also included with each microphone (15/16" mounting hole required when using shock isolators).
- Features
Features
- RF Resistant Cardioid Condenser Mini-Boundary Microphones
- RF resistant design
- Low profile mounting in panels, table tops, walls or ceilings
- Hemi cardioid directional pick-up pattern
- Dual surface and bottom shock isolation bushings
- Low noise transformerless electronic design
- 13/16" (20mm) threaded diameter with mounting hardware
- Conforms to RoHS
- Specification
Generating Element Electret Condenser Polar Pattern Unidirectional (Half Cardioid in the plane above boundary) Frequency Response 100Hz - 15kHz Sensitivity -36 dBV (16mV) @ 1Pa Impedance 150 ohms Self Noise Less than 29dB, A weighted Maximum SPL 129dB, 1% THD, 1kHz Powering P12, P24 and P48 < 3mA Connector 3 pin male XLR type Phasing Positive pressure on diaphragm generates a positive voltage on pin 2 relative to pin 3 RF Immunity Exceeds ENT55103-2, E1, E2, E3 and E4 Net Weight 0.1433 lbs (65 g) - Reviews
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