Specifications

Specifications

EM 500

RF characteristics

Modulation

wideband FM

Receiving frequency ranges

 

516–558, 566–608, 626–668, 734–776,

 

 

780–822, 823–865 MHz (A to E, G, see page 4)

Receiving frequencies

 

 

 

1,680 frequencies, tuneable in steps of 25 kHz

 

 

 

 

 

20 frequency banks, each with up to 32 factory-preset

 

 

channels, intermodulation-free

 

 

 

 

 

6 frequency banks, each with up to 32 user programmable

 

 

channels

Switching bandwidth

 

 

 

42 MHz

Nominal/peak deviation

 

 

 

±24 kHz/±48 kHz

Receiver principle

 

 

 

true diversity

Sensitivity (with HDX, peak deviation)

 

 

 

< 2 μV for 52 dBA rms S/N

Adjacent channel rejection

 

typ. ≥ 75 dB

Intermodulation attenuation

 

 

 

typ. ≥ 70 dB

Blocking

 

 

 

≥ 75 dB

Squelch

 

 

 

Off, 5 to 25 dBμV in steps of 2 dB

Pilot tone squelch

 

 

 

can be switched off

Antenna inputs

 

 

 

2 BNC sockets

 

 

 

AF characteristics

Compander system

 

Sennheiser HDX

EQ presets (switchable,

 

 

 

 

affect the line and monitor outputs):

 

 

Preset 1: “Flat”

 

 

Preset 2: “Low Cut”

 

 

 

–3 dB at 180 Hz

Preset 3: “Low Cut/High Boost”

 

 

 

–3 dB at 180 Hz

 

 

+6 dB at 10 kHz

Preset 3: “High Boost”

 

 

 

+6 dB at 10 kHz

S/N ratio (1 mV, peak deviation)

 

 

 

≥ 115 dBA

THD

 

 

 

≤0.9%

AF output voltage

 

 

 

¼’’ (6.3 mm) jack socket (unbalanced): +12 dBu

(at peak deviation, 1 kHz AF)

 

XLR socket (balanced): +18 dBu

Adjustment range of audio output level

 

 

48 dB (in steps of 3 dB)

 

 

+6 dB gain reserve

Overall device

 

 

 

 

Temperature range

 

 

–10°C to +55°C

Power supply

 

12 V

Current consumption

 

 

 

350 mA

Dimensions

 

 

 

approx. 202 x 212 x 43 mm

Weight

 

 

 

approx. 980 g

 

 

 

32