- Description
Details
The AKG PCC-170SWO is a surfacemounted supercardioid microphone for distance learning or similar applications. The user can turn the mic on and off by pressing a membrane switch on the mic. A pair of extra leads in the mic cable allow isolated remote sensing of the microphone switch closure. In a typical distance-learning application, a video camera would track to the person who switched on the microphone.
The mic includes a bass-tilt switch, which lets the user tailor the low-end response for particular applications. A high-frequency adjust is also provided.
The membrane switch can be confi gured for touch on/off, momentary on, or momentary off operation. This confi guration is set by a bottom- mounted DIP switch. A high- intensity LED lights when the unit is on.
The mic can be set to be always on. In this mode, the switch only activates the remote sensing and LED. This is useful when using an external gated mixer (automatic mixer).
Remote sensing is done by a patented optocoupled MOS switching circuit. At the remotesensing leads, the resistance goes low when the mic is on. The microphone is attenuated 70 dB when the switch is off.- Features
Features
- Elegant supercardioid PCC condenser microphone with remote switch circuit and 15-ft output cable with unterminated ends
- Ideal for distance learning applications
- Programmable on/off switch
- Extra leads in mic cable allow remote sensing of mic switch closure
- Half-supercardioid polar pattern reduces pickup of muddy-sounding room acoustics
- Bass-tilt switch
- Adjustable high-frequency response
- Specification
Element Electret condenser Frequency response (typical) 40 Hz to 20,000 Hz at 30 degrees incidence to surface Polar pattern Half-supercardioid (supercardioid in the hemisphere above the primary boundary) Impedance 150 ohms, balanced. (Recommended load impedance 1000 ohms or greater) Open-circuit sensitivity 22 mV/Pa (–33 dB re 1 V/Pa) Power sensitivity –30.5 dB re 1 milliwatt/Pa. –125 dBm EIA rating Equivalent noise level (self noise) 22 dB SPL typical (0 dB = .0002 dyne/cm2), A-weighted S/N ratio 72 dB at 94 dB SPL Maximum SPL 120 dB SPL produces 3% THD Polarity Positive pressure on the diaphragm produces positive voltage on pin 2 with respect to pin 3 Operating voltage Phantom power: 24 to 48 volts DC positive on pins 2 and 3 with respect to pin 1 Current drain 6.8 mA nominal Cable 15-foot, black, integral to microphone, unterminated Off-attenuation 70 dB at 1 kHz Maximum voltage and current which may be appliedto remote sensing contact-closure leads 350 V,200 mA. Small voltages recommended; largevoltage changes may induce noise in audio output On-resistance 7 to 10 ohms with the included 15-footcable Cable wiring (Shield, Green, White, Red and Black) Audio shield, Audio in-polarity, Audio opposite-polarity, Remote contact-closure sensing, +DC Operating temperature range –10° to +50° C, or +14° to +122° F Materials High-impact molded plastic and steel meshgrille Optional accessories Crown PH-1A phantom Finish Satin black Dimensions (H x W x D) .900" (22.86 mm) x 3.4" (86.36 mm) x 4.84" (122.94 mm) Net weight 0.374 lbs (170 g) - Reviews
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