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WMS420 33
Technical data
HT420 PT420 SR420
Carrier frequencies 530.025 - 931.850 MHz
530.025 -
931.850 MHz
530.025 - 931.850 MHz
Switching band width up to 30 MHz* 30 MHz*
30 MHz*
Modulation FM FM
FM
A
udio transmission bandwidth 70 - 20,000 Hz 40 -
20,000 Hz
40 - 20,000 Hz
Total harmonic distortion at 1 kHz typ. 0.8% typ. 0.8%
typ. 0.8%
Signal/S/N ratio typ. 105 dB(A) typ. 105 dB(A)
typ. 105 dB(A)
Transmission power 10 mW, 20 mW*
10 mW, 50 mW*
-
Voltage supply 1x 1.5 V battery size AA
1x 1.5 V battery size AA
Power supply unit 12 V / 500 mA
(or via antenna splitter)
Operating time 6 - 8 h** 6 -
8 h**
-
Squelch threshold - -
-100 to -70 dBm, adjustable
A
udio outpu
t
- -
X
LR symmetric and 6.3 mm jack
plug asymmetric: Adjustable from
microphone to line level. Output
level at rated travel: 500 mV eff.
Dimensions 235 x 50 x 50 mm
60 x 74 x 30 mm
200 x 150 x 45 mm***
Net weigh
t
221 g 60 g
373 g
*Depends on the used frequency band
**Depends on RF power used
***Without antennas
Only for frequency bands designed for use in the EC:
This product corresponds to the standards stated in the Declaration of Conformity. You can
download the Declaration of Conformity at www.akg.com or request it by e-mail from
7 Technical data
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