11
english
10
Service
Servicing must be carried out by qualified service personnel
only. Dismantling the microphone yourself will invalidate
the guarantee.
Versions
Model
Description
. . . . . . . . . . . . .
Order #
Classis OM 302
Gooseneck microphone,
white. . . . . . . . . . . . . . . . . . . 489.263
Classis OM 302 US
Gooseneck microphone,
white, for US installation
sockets . . . . . . . . . . . . . . . . . 489.255
Classis OM 304
Gooseneck microphone
with cable, white. . . . . . . . . . 489.298
Classis OM 304 US
Gooseneck microphone with
cable, white, for US installation
sockets . . . . . . . . . . . . . . . . . 489.271
Supplied Accessory
WS 300 W
Wind shield for
Classis OM 302 / 304,
OM 302 US / 304 US,
white. . . . . . . . . . . . . . . . . . . 722.774
Technical Specifications
Transducer type. . . . . . . . . . . . . . . . . Condenser
(back electret)
Polar pattern . . . . . . . . . . . . . . . . . . . Supercardioid
Frequency response. . . . . . . . . . . . . . 50 - 19,000 Hz
Open circuit voltage at 1 kHz . . . . . . 17 mV/Pa
Nominal impedance . . . . . . . . . . . . . < 200
Ω
Load impedance . . . . . . . . . . . . . . . .
≥
1 k
Ω
Signal-to-noise-ratio rel. to 1 Pa /
noise voltage. . . . . . . . . . . . . . . . . . . 71 dB [A] /
5,0 µV [A]
Max. sound pressure level . . . . . . . . . 107 dB
[SPL @ 1% THD]
Equivalent SPL. . . . . . . . . . . . . . . . . . 23 dB [A]
Supply voltage . . . . . . . . . . . . . . . . . 8 - 52 V phantom
Current consumption . . . . . . . . . . . . 3.4 mA
Weight
OM 302 . . . . . . . . . . . . . . . . . . . . . . approx. 100 g
[0.22 lbs]
OM 304 . . . . . . . . . . . . . . . . . . . . . . approx. 140 g
[0.31 lbs]
