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EM 3031

RF Wireless Systems |

 3000 Series Receivers

General Features

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 Up to 32 programmable receiving frequencies per receiver

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 Switching bandwidth max. 24 MHz (UHF) or 7 MHz (VHF)

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 HiDyn 

plus

™ noise reduction system with 117 dB(A)

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 signal-to-noise ratio

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 Multi-function LC display panel

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  Indication of transmitter battery status (only with Sennheiser 

transmitters transmitting battery status information)

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 19” 1 U metal housing with built-in mains power supply unit

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 Suitable for multi-channel applications

EM 1031

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 True diversity receiver, 19” 1 U housing

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 LC display for frequency, RF and AF level

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 Headphone output

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 Delivery includes:  1 EM 3031 receiver, 2 telescopic antennas

1 mains cable, 19” rack mount ears

General Description

The EM 3031 is a true diversity receiver in a 19” 1 U rack housing. 32 programmable 
receiving  frequencies ensure  flexible channel selection and make this receiver an 
ideal choice for OB applications or for use in shows.

Technical Data EM 3031-U

Type of receiver ................................. 32-channel receiver
Receiving frequencies .............................................max. 32
Frequency range........................................... 450–960 MHz
Switching bandwidth.............................................. 24 MHz
Modulation...................................................... wideband FM
Nominal/peak deviation ................ ± 40 kHz / ± 56 kHz
RF squelch ....................................... 0–100 µV, adjustable
Signal-to-noise ratio .................................. > 117 dB(A)

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Noise reduction system ................................. HiDyn 

plus

AF frequency response ............... 45–20,000 Hz (–3 dB)
THD (1 kHz) ........................................

 0.4 % (typ. 0.2 %)

RF inputs.............................................. 2 BNC sockets, 50 

AF output voltage,
balanced XLR:............................. max. 18 dBU, adjustable
Headphone output.................... max. 12 dBU, adjustable
Output impedance.....................................................

 50 

Power suppl y ............... 115 / 230 V AC (+10 % / –15 %)
Housing .......................................................................19“, 1 U
Dimensions .......................................... 436 x 43 x 215 mm
Weight.............................................................approx. 3.5 kg
In compliance with ......................................... ETS 300 422

Technical Data EM 3031-V

Type of receiver ................................. 32-channel receiver
Receiving frequencies .............................................max. 32
Frequency range...........................................138–250 MHz
Switching bandwidth.................................................7 MHz
Modulation...................................................... wideband FM
Nominal/peak deviation ................ ± 40 kHz / ± 56 kHz
RF squelch ....................................... 0–100 µV, adjustable
Signal-to-noise ratio .................................. > 117 dB(A)

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Noise reduction system ................................. HiDyn plus™
AF frequency response ............... 45–20,000 Hz (–3 dB)
THD (1 kHz) ........................................

 0.4 % (typ. 0.2 %)

RF inputs.............................................. 2 BNC sockets, 50 

AF output voltage,
balanced XLR:............................. max. 18 dBU, adjustable
Headphone output.................... max. 12 dBU, adjustable
Output impedance.....................................................

 50 

Power suppl y ............... 115 / 230 V AC (+10 % / –15 %)
Housing .......................................................................19“, 1 U
Dimensions .......................................... 436 x 43 x 215 mm
Weight.............................................................approx. 3.5 kg
In compliance with ......................................... ETS 300 422

EM 3031-U   Cat. No. 009250

EM 3031-V   Cat. No. 009278

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