Sennheiser EK 300 IEM Instruction Manual download pdf (Page 26)

Technical data

System

RF characteristics

Modulation wideband FM stereo, MPX

Frequency ranges Range A: 518 – 550 MHz

Range B: 630 – 662 MHz

Range C: 740 – 772 MHz

Range D: 790 – 822 MHz

Range E: 838 – 870 MHz

Transmission/receiving frequencies 1280, tunable in steps of 25 kHz,

8 switchable channels

Switching bandwidth 32 MHz

Nominal/peak deviation ± 24 kHz / ≤ ± 48 kHz

Pilot tone deviation (stereo operation) ± 5 kHz

Frequency stability ≤ ± 15 ppm

AF characteristics

Noise reduction system Sennheiser HDX

AF frequency response 50 – 15,000 Hz

Signal-to-noise ratio at 1 mV

and peak deviation, HDx ≥ 100 dB(A)

THD at nom. deviation and 1 kHz ≤ 0.9 %

Overall device

Temperature range -10°C ... +55°C

Dimensions Carrying case [mm] 380 x 370 x 70

Weight Carrying case approx. 3100 g

In compliance with ETS 300 422, ETS 300 445 (CE), FCC

EK 300 IEM Receiver

RF characteristics

Receiver principle non-diversity

Sensitivity (with HDX, peak deviation) < 2.5 µV at 52 dB

Arms S/N

Squelch threshold 0–100 µV, adjustable

Antenna inputs M3 thread

Antenna length [mm] 518 – 550 MHz: 130

630 – 662 MHz: 110

740 – 772 MHz: 90

790 – 822 MHz: 90

838 – 870 MHz: 80

AF characteristics

AF output voltage

at peak deviation 1 kHz

PHONES 3.5 mm jack socket: 2 x ≥ 100 mW at 32 Ω

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Sennheiser EK 300 IEM Instruction Manual Page 26