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Tourguide 1039 | 25
Specifications
Specifications
EK 1039 receiver
RF characteristics
AF characteristics for headphone output
Overall device
The specifications of the transmitter can be found in the instruction
manual for the transmitter.
Modulation wideband FM
Frequency ranges 626-698, 718-790, 790-865 MHz
(Bw, Cw, Dw see page 4)
Receiving frequencies max. 32, tuneable in steps of 25 kHz
Switching bandwidth ≤ 75 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. 80 dB
Intermodulation attenuation typ. 78 dB
Blocking ≥ 80 dB
Squelch Low: 5 dBμV, Middle: 15 dBμV, High: 25 dBμV
Compander system Sennheiser HDX
AF frequency response 40–15,000 Hz
S/N ratio
(1 mV
RF
, peak deviation) approx. 90 dBA
rms
THD ≤ 0.9%
Headphone output 3.5 mm jack socket (mono, 2-pin,
for headphones with at least 8 Ω)
Output power at 2.4 V, 5% THD
and nominal deviation 100 mW at 32 Ω
Adjustment range 42 dB (6 dB steps)
via potentiometer (+17 dBu reserve)
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
typ. 140 mA (±5%)
≤ 25 μA
Operating time with BA 2015 or
batteries
approx. 8 hrs
(depending on the volume set)
Dimensions approx. 81 x 65 x 23 mm
Weight (incl. batteries) approx. 200 g