Replacement Parts And Accessories; Specifications - Shure MX412D User Manual

Custom Switch Modifications
S4 is available for custom logic modifications. When S4 is in
the ON position, pad W4 is connected to pad W5.
NOTE: For technical data by Fax, phone 1-800-488-3297 and
follow the recorded instructions. For additional technical assis-
tance, phone Shure at (847) 866-2200. In Europe, phone
49-7131-72140.
DESIRED MICROPHONE FUNCTION
Push to Mute (As Shipped)
Push to Talk
Push On/Push Off
Switch Deactivated, Mic Always Active
Switch Deactivated, Mic Always Active
Automatic Mixer Mode

SPECIFICATIONS

Frequency Response (Figure 3)
50 to 17,000 Hz
Polar Pattern (Figure 4)
Output Impedance
EIA Rated at 150 Ω (180 Ω actual)
Open Circuit Sensitivity
At 1 kHz, ref. 1 V per microbar*
Cardioid: –53.5 dBV (2.11 mV)
Supercardioid: –52.5 dBV (2.37 mV)
Omnidirectional: –48.0 dBV (3.98 mV)
*1 microbar = 74 dB SPL
At 1 kHz, ref. 1 V per Pascal
Cardioid: –33.5 dBV (21.1 mV)
Supercardioid: –32.5 dBV (23.7 mV)
Omnidirectional: –28.0 dBV (39.8 mV)
*1 Pascal = 94 dB SPL
Maximum SPL (1 kHz at 1% THD, 1 kΩ load)
Cardioid: 123.0 dB
Supercardioid: 122.0 dB
Omnidirectional: 117.5 dB
Equivalent Output Noise (A-weighted)
Cardioid: 29.0 dB SPL
Supercardioid: 28.0 dB SPL
Omnidirectional: 23.6 dB SPL
Signal to Noise Ratio (referenced at 94 dB SPL)
Cardioid: 65.0 dB
Supercardioid: 66.0 dB
Omnidirectional: 70.5 dB
Dynamic Range with 1 kΩ Load
94.0 dB

REPLACEMENT PARTS AND ACCESSORIES

Snap–Fit Foam Windscreen (4 per pkg.)
Foam Ball Windscreen (4 per pkg.)
Locking Metal Windscreen
Replacement 3 m (10 ft) XLR Cable
Custom Logic Cable (specify length)
Omnidirectional Cartridge
Supercardioid Cartridge
Cardioid Cartridge
Base Plate Bumpers
USER ACTION/LED DISPLAY
Press and hold switch to temporarily mute micro-
phone; release switch to unmute
LED turns on when microphone is active
Press and hold switch to activate microphone; re-
lease switch to mute
LED turns on when microphone is active
Press switch to toggle microphone on or off
LED turns on when microphone is active
No action, LED Always OFF
Short LED IN terminal to LOGIC GROUND terminal
LED Always ON
If S1=OFF, SWITCH OUT signal will be momentarily
logic low when switch is pressed
If S1=ON, SWITCH OUT signal will be latching logic
low when switch is pressed
Connect SWITCH OUT signal to various logic inputs
of automatic mixer for custom functions
Connect mixer channel GATE OUT to microphone
LED IN. LED on microphone turns on when its
channel is gated on
2
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S1 = OFF
S2 = OFF
S3 = OFF
S1 = OFF
S2 = ON
S3 = OFF
S1 = ON,
S2 = ON for muted initial state
S2 = OFF for active initial state
S3 = OFF
S3 = ON
S3 = ON
S1 = ON or OFF
S3 = ON
Common Mode Rejection
45.0 dB minimum
Mute Switch Attenuation
50.0 dB minimum
Preamplifier Output Clipping Level (1% THD)
–6.0 dBV (0.5 V)
Polarity
Positive sound pressure on diaphragm produces
positive voltage on pin 2 relative to pin 3 of XLR
output connector.
Power Requirements
11 to 52 Vdc phantom, 2.0 mA
Environmental Requirements
Operating Temperature Range: –18 to 57 C (0
to 135 F)
Relative Humidity: 0 to 95%
Dimensions (Figure 5)
Weight
0.81 kg (1.80 lbs) net
1.25 kg (2.77 lbs) packaged
Cable Type
The attached custom cable contains a shielded audio
pair and three unshielded conductors for logic control.
Overall diameter = 0.6 mm (0.165 in.)
Certification
Conforms to European Union directives, eligible to
bear CE marking; meets European Union EMC
Immunity Requirements (EN 50 082–1, 1992); RF
radiated (IEC 801–3); ESD (IEC 801–2); EFT (IEC
801–4).
. . . . . . RK412WS
. . . . . . . . . . . . . . A99WS
A412MWS
. . . . . . . . . . . . . . . C120
. . . . . . . . . . . 15A523/1
R183B
R184B
R185B
80A8053A
DIP SWITCH SETTINGS