U891RCx
Note:
Note: Placing any object on a surface (such as a conference table) before its finish is fully cured may result in damage to the finish.
Architect’s and Engineer’s Specifications
The microphone shall be a
The microphone shall feature an activation switch, an indicator LED and an external contact closure output for controlling remote devices. The microphone shall offer three choices of switching modes:
The output of the microphone shall be a
The microphone shall have a maximum width of 84.0 mm (3.31"), a maximum length of 108.0 mm (4.25") and a maximum height of
23.0mm (0.91"). Weight shall be 266 grams (9.4 oz). The microphone shall be housed in a
The
Switch Settings and Functions
CONTROL Switch in “Local” Position |
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SW Setting | Microphone Audio | LED | External Contact Closure |
TOUCH ON/OFF | Follows activation | Follows activation | Follows activation |
| switch | switch | switch |
MOM. ON | “On” when switch | “On” when switch | Closed when switch |
| is pressed | is pressed | is pressed |
MOM. OFF | “Off” when switch | “Off” when switch | Open when switch |
| is pressed | is pressed | is pressed |
CONTROL Switch in “Remote” Position |
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SW Setting | Microphone Audio | LED | External Contact Closure |
TOUCH ON/OFF | Always “On” | Follows activation | Follows activation |
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| switch | switch |
MOM. ON | Always “On” | “On” when switch | Closed when switch |
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| is pressed | is pressed |
MOM. OFF | Always “On” | “Off” when switch | Open when switch |
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| is pressed | is pressed |
CONTROL Switch in “LED Remote” Position |
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SW Setting | Microphone Audio | LED | External Contact Closure |
TOUCH ON/OFF | Always “On” | Remotely controlled | Follows activation |
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| switch |
MOM. ON | Always “On” | Remotely controlled | Closed when switch |
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| is pressed |
MOM. OFF | Always “On” | Remotely controlled | Open when switch |
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| is pressed |
Specifications |
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Element | |
| polarized condenser |
Polar pattern | |
| above mounting surface) |
Frequency response | |
Low frequency | 80 Hz, 18 dB/octave |
Open circuit sensitivity | |
Impedance | 200 ohms |
Maximum input sound level | 130 dB SPL, 1 kHz at 1% T.H.D. |
Dynamic range (typical) | 104 dB, 1 kHz at Max SPL |
68 dB, 1 kHz at 1 Pa | |
Phantom power requirements | |
Switches | Activation: on/off; Switch function: press |
| on/off, momentary on, momentary off; |
| Control: local, remote, LED remote; Flat, |
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Weight | 266 g (9.4 oz) |
Dimensions | 108.0 mm (4.25") maximum length, |
| 84.0 mm (3.31") maximum width, |
| 23.0 mm (0.91") maximum height |
Output connector | |
Cable | 7.6 m (25.0') long, 3.2 mm (0.13") |
| diameter, |
| (2 conductors under shield; 3 control |
| wires outside shield); |
| connector at microphone end, output end |
| stripped and tinned for connection to |
| electronic device |
Optional interchangeable elements | |
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Accessory furnished | Soft protective pouch |
In the interest of standards development, A.T.U.S. offers full details on its test methods to other industry professionals on request.
1 Pascal = 10 dynes/cm2 = 10 microbars = 94 dB SPL
1Typical,
frequency response: 30–20,000 Hz
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| Response |
10 dB | |||
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50 | 100 | 200 | 500 | 1k | 2k | 5k | 10k | 20k |
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| Frequency in Hertz |
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LEGEND |
| 12" or more on axis |
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polar pattern |
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| 330˚ | 0˚ | 30˚ |
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300˚ |
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| 60˚ |
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270˚ |
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| 90˚ |
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240˚ |
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| 120˚ |
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| LEGEND |
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210˚ |
| 150˚ |
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| 200 Hz |
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180˚ |
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| 1 kHz |
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| 5 kHz |
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SCALE IS 5 DECIBELS PER DIVISION |
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| 8 kHz |
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©2010 |