Specifications

Specifications

The specifications of the transmitter can be found in the instruction manual for the transmitter.

EK 1039 receiver

RF characteristics

 

 

 

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

 

< 4 μV, typ. < 1.6 μV for 52 dBArms S/N

(with HDX, peak deviation)

Adjacent channel rejection

typ. 80 dB

 

 

Intermodulation attenuation

typ. 78 dB

 

 

Blocking

≥ 80 dB

 

 

Squelch

Low: 5 dBμV, Middle: 15 dBμV, High: 25 dBμV

 

 

AF characteristics for headphone output

Compander system

AF frequency response

S/N ratio

(1 mVRF, peak deviation)

THD

Headphone output

Output power at 2.4 V, 5% THD and nominal deviation

Adjustment range

Overall device

Sennheiser HDX

40–15,000 Hz

approx. 90 dBArms

≤0.9%

3.5mm jack socket (mono, 2-pin, for headphones with at least 8 Ω)

100 mW at 32 Ω

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

Power consumption: at nominal voltage

with switched-off receiver

Operating time with BA 2015 or batteries

Dimensions

Weight (incl. batteries)

2.4 V

typ. 140 mA (±5%)

≤25 μA

approx. 8 hrs

(depending on the volume set)

approx. 81 x 65 x 23 mm

approx. 200 g

Tourguide 1039 25