Sennheiser EK 500, SKM 500 manual Specifications

Specifications

RF characteristics Modulation Frequency ranges

wideband FM

518–554, 626–662, 740–776, 786–822, 830–866 MHz

Transmission frequencies	8 channel banks with up
	to 20 factory-preset
	channels each
	1 channel bank with up to
	20 freely selectable
	channels (1440
	frequencies, tunable in
	steps of 25 kHz)
Switching bandwidth	36 MHz
Nominal/peak deviation	±24 kHz / ±48 kHz
Frequency stability	≤ ±15 ppm
RF output power at 50 Ω
	typ. 30 mW
AF characteristics
Noise reduction system	Sennheiser HDX
AF frequency response	40–18,000 Hz
S/N ratio (at 1 mV and peak
	≥ 110 dB(A)
deviation)
THD (at nominal deviation and	≤ 0.9 %
1 kHz)
Overall unit
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
Power consumption
y at nominal voltage	≤ 170 mA

ywith switched-off transmitter≤ 250 µA Operating time

y with batteries	≥ 8 h
y with BA 2015 accupack	≥ 8 h
Dimensions [mm]	∅ 50 x 225
Weight (incl. batteries)	approx. 450 g

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