Sennheiser EK 300 IEM - Manual (Page 25)

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Accessories
Accessories
The following EK 300 IEM G3 accessories are available from your specialist
dealer:
Cat. No. Accessory
009950 BA 2015 accupack
009828 L 2015 charger
500432 IE 4 earphones
Specifications
RF characteristics
AF characteristics
Overall device
Modulation wideband FM
Frequency ranges 516–558, 566–608, 626–668,
734–776, 780–822, 823–865 MHz
(A to E, G, see page 3)
Receiving frequencies 1,680 frequencies,
tuneable in steps of 25 kHz
20 frequency banks, each with up
to 16 factory-preset channels
6 frequency banks, each with up
to 16 user programmable channels
Switching bandwidth 42 MHz
Nominal/peak deviation ±24 kHz/±48 kHz
Receiver principle adaptive diversity
Sensitivity
(with
HDX , peak deviation)
< 4 μV, typ. 1.6 µV for 52 dBA
rms S/N
Adjacent channel rejection typ.
≥ 65 dB
Intermodulation attenuation typ.
≥ 70 dB
Blocking
≥ 80 dB
Squelch Off, 5 to 25 dB
μV,
adjustable in steps of 2 dB
Pilot tone squelch can be switched off
Compander system Sennheiser HDX
S/N ratio
(1 mV, peak deviation)
approx. 90 dB
THD
≤ 0.9%
Output power at 2.4 V,
5 % THD, nominal deviation
2 x 100 mW at 32
Ω
High Boost +8 dB at 80 kHz
Limiter –18 dB to –6 dB,
adjustable in steps of 6 dB,
can be switched off
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:
• at nominal voltage
• with switched-off receiver
approx. 140 mA
≤ 25 μA