Sennheiser I EM 3732-II Command 用户手册

Specifications

RF characteristics

Modulation

wideband FM

Frequency ranges

Range L:

470 to 638 MHz

Range N:

614 to 798 MHz

Range N-GB:

606 to 790 MHz

Range P:

776 to 960 MHz

Receiving frequencies
(per receiver RX 1 or RX 2)

6 frequency banks with up to 59 factory-preset frequencies each,
1 frequency bank with up to 60 freely selectable frequencies (tuneable in
5-kHz steps)

Switching bandwidth

up to 184 MHz

Frequency stability

≤ ±2.5 ppm

Receiver principle

true diversity

Sensitivity
(with HDP, peak deviation)

typ. 1.5 μV at 52 dB(A)rms S/N
typ. 15 μV at 115 dB(A)rms S/N

Adjacent channel rejection/
spacing

typ. 75 dB/±400 kHz
typ. 80 dB/±800 kHz

Intermodulation attenuation

≥ 80 dB

Blocking

≥ 80 dB

Squelch

13 steps (0 … 30 μV)

Antenna inputs

2 BNC sockets (50

Ω)

Daisy chain outputs

2 BNC sockets (50

Ω)

amplification: 0 dB ± 0.5 dB (related to the antenna inputs)
184 MHz typ. bandwidth (range)

AF characteristics

Compander system,
DSP-emulated

Sennheiser HiDyn plus™, (HDP)
Sennheiser HDX

AF bandwidth

40–20,000 Hz

Latency

≤ 1.9 ms

Nominal/peak deviation

±40 kHz/±56 kHz

Signal-to-noise ratio
(1 mV, peak deviation)

≥ 118 dB(A) at +18 dBu/+4 dBu(AF Out)

THD (nominal deviation, 1 kHz)

≤ 0.3%

AF output voltage
(peak deviation, 1 kHz

)

+18 dBu to –10 dBu, adjustable in 1-dB steps (transformer balanced)

AF output sockets

1 XLR-3 socket per receiver, 2 XLR-3 sockets per EM 3732 COM-II receiver

Headphone output

2 x 100 mW at 32

Ω internal impedance

short-circuit proof