EK 500 G4 diversity receiver

RF characteristics

Modulation Wideband FM
Frequency ranges Aw: 470 - 558 MHz

AS: 520 - 558 MHz

Gw1: 558 - 608 MHz

Gw: 558 - 626 MHz

GBw: 606 - 678 MHz

Bw: 526 - 698 MHz

Cw: 718 - 790 MHz

Dw: 790 - 865 MHz

JB: 806 - 810 MHz

K+: 925 - 937,5 MHz

Transmission frequencies Max 2880 receiving frequencies, adjustable in 25 kHz steps

20 Kanalbänke mit jeweils >up to 32 voreingestellten Kanälen, no intermodulation

6 frequency banks with up to 32 programmable channels

Switching bandwidth >up to 88 MHz
Nominal/peak deviation ±24 kHz / ±48 kHz
Receiver principle Adaptive-Diversity
Sensitivity (with HDX, peak deviation) < 1,6 µV for 52 dBA eff S/N
Adjacent channel selection ≥ 65 dB
Intermodulation attenuation ≥ 65 dB
Blocking ≥ 70 dB
Squelch low: 5 dBµV

middle: 15 dBµV

high: 25 dBµV

Pilot tone squelch Can be switched off

AF characteristics

Compander system Sennheiser HDX
Signal-to-noise ratio (1 mV, peak deviation) Line: ≥ 110 dBA

Phones: approx. 90 dBA

Total harmonic distortion (THD) ≤ 0,9 %
AF output voltage (at peak deviation, 1 kHz AF 3.5 mm jack socket +17 dBu (mono, unbalanced)
“AF Out” setting range 42 dB (in 6 dB steps)

Overall device

Temperature range -10 °C to +55 °C (14 °F to 131 °F)
Power supply 2 AA batteries, 1,5 V or BA 2015 accupack
Nominal voltage 3 V battery / 2.4 V rechargeable battery
Power consumption
  • at nominal voltage
  • with transmitter switched off

  • typ. 180 mA
  • ≤ 25 µA
Operating time typ. 8 h
Dimensions approx. 82 x 64 x 24 mm
Weight approx. 130 g