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Specifications – Sennheiser SK 300 User Manual

Page 33

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Specifications

32

Specifications

RF characteristics

Modulation

wideband FM

Frequency ranges

516–558, 566–608,
626–668, 734–776,
780–822, 823–865 MHz
(A–E, G, see page 3)

Transmission frequencies

1,680 frequencies, tuneable
in steps of 25 kHz

20 frequency banks, each
with up to 24 factory-preset
channels

6 frequency banks,
each with up to 24 user
programmable channels

Switching bandwidth

42 MHz

Nominal/peak deviation

± 24 kHz/± 48 kHz

Frequency stability

≤ ±15 ppm

RF output power at 50

Ω,

switchable

typ. 10 mW (low)
typ. 30 mW (standard)

Pilot tone squelch

can be switched off

AF characteristics

Compander system

Sennheiser

HDX

AF frequency response

microphone:
80–18,000 Hz

line: 25–18,000 Hz

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

≥ 115 dBA

THD

≤ 0.9%

Max. input voltage
microphone/line

3 V

rms

Input impedance
microphone/line

40 k

Ω, unbalanced/1 MΩ

Adjustment range of input
sensitivity

60 dB, adjustable in 3-dB
steps

Overall device

Temperature range

–10°C to +55°C

Power supply

2 AA size batteries, 1.5 V
or BA 2015 accupack

Nominal voltage

2.4 V