Sennheiser EK3253 Specifications download pdf (Page 33)

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

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Sennheiser EK3253 Specifications Page 33