Sennheiser EK3253 - Manual (Page 33)

35
Specifications
EK 3253 bodypack receiver
RF characteristics
Modulation FM stereo
Frequency ranges 518–554, 626–662,
740–776, 786–822,
830–866 MHz
Receiving frequencies 1 channel bank with up to 16
factory-preset channels
1 channel bank with up to 16
freely selectable channels
(frequencies tunable in steps
of 5 kHz)
Switching bandwidth 36 MHz
Nominal/peak deviation ±24 kHz / ±48 kHz
Pilot tone
(frequency/deviation)
19 kHz / ±5 kHz
Frequency stability
≤
±20 ppm (-10 to +55°C)
Sensitivity
(with HDX , peak deviation)
typ. 1.5 μV at 52 dBA
rms S/N
Adjacent channel rejection typ. 75 dB
Intermodulation attenuation typ. 75 dB
Blocking typ. 90 dB
Squelch 4 steps: OFF
LO: 5 dBμV
MID: 15 dBμV
HI: 25 dBμV
AF characteristics
Noise reduction system Sennheiser HDX
AF frequency response 40–15,000 Hz
Signal-to-noise ratio
(1 mV, peak deviation)
≥
91 dB(A)
THD (at nom. deviation, 1 kHz)
≤
0.9 %
Headphone output 3.5 mm jack socket