Sennheiser EK 1039 Instructions for Use - Page 26

Specifications Specifications The specifications of the transmitter can be found in the instruction manual for the transmitter. EK 1039 receiver RF characteristics Modulation Frequency ranges Receiving frequencies Switching bandwidth Nominal/peak deviation Receiver principle Sensitivity (with HDX, peak deviation) Adjacent channel rejection Intermodulation attenuation Blocking Squelch wideband FM 626-698, 718-790, 790-865 MHz (Bw, Cw, Dw see page 4) max. 32, tuneable in steps of 25 kHz ≤ 75 MHz ±24 kHz / ±48 kHz adaptive diversity < 4 μV, typ. < 1.6 μV for 52 dBArms S/N typ. 80 dB typ. 78 dB ≥ 80 dB Low: 5 dBμV, Middle: 15 dBμV, High: 25 dBμV AF characteristics for headphone output Compander system Sennheiser HDX AF frequency response 40-15,000 Hz S/N ratio (1 mVRF, peak deviation) THD approx. 90 dBArms ≤ 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) 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 Power consumption: at nominal voltage with switched-off receiver typ. 140 mA (±5%) ≤ 25 μA Operating time with BA 2015 or approx. 8 hrs batteries (depending on the volume set) Dimensions approx. 81 x 65 x 23 mm Weight (incl. batteries) approx. 200 g Tourguide 1039 | 25