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1 Brief description
With this wireless monitoring system for stage and broadcast use, the
listener can directly monitor the received sound signals without
troublesome cables or monitor speakers being required. In addition,
the monitoring system can also be used for any application where talk-
back signals are to be transmitted.
The system has superb audio quality with an increased signal-to-noise
ratio and dynamic range due to the inclusion of Sennheiser’s HiDyn
stage
noise reduction system.
EK 3053-U stereo receiver
The EK 3053-U is a miniature stereo receiver designed for receiving
signals transmitted by the SR 3054-U and SR 3056-U transmitters. Its
small size allows complete freedom of movement. With in-ear
headphones (see chapter “Accessories”) connected to the receiver, the
user can directly listen to the stereo audio signal received. 16 switchable
UHF receiving frequencies ensure high flexibility and optimum
reception.
Special features
ț Small and rugged stereo receiver supplied with belt clip
ț 16 switchable receiving frequencies, PLL-controlled
ț HiDyn
stage
noise reduction system
ț Easy to use
ț LEDs for RF signal and ‘‘operation“ / ‘‘Low Batt” indication
ț FOCUS function for individual audio mix
2 Suitable transmitters: SR 3054-U / SR 3056-U
The SR 3054-U is a stereo transmitter with 16 switchable UHF
transmission frequencies, the SR 3056-U consists of two complete ste-
reo transmitters with 16 switchable UHF transmission frequencies each.
Their ease of use and excellent mechanical stability make these
transmitters an ideal choice for use in large shows and for touring
artists.
ț Stereo/mono selector switch
ț 16 switchable transmission frequencies per transmitter, PLL
-controlled
ț Switching bandwidth max. 24 MHz per transmitter (3 TV
channels)
ț HiDyn
stage
noise reduction system
ț LC display for frequency, RF output power, and deviation
ț 19” 1 U housing with built-in mains power supply unit and
rack mounts
ț Suitable for multi-channel applications
Thank you for choosing Sennheiser!
We have designed this product to give you reliable operation over many
years.
Please take a few moments to read these instructions carefully, as we
want you to enjoy your new Sennheiser product quickly and to the
full.
Chapter Contents Page
1 Brief description / EK 3053-U stereo receiver 17
2 Suitable transmitters 17
3 Noise reduction with HiDyn
stage
18
4 Connections and operating elements 19
5 Battery or accupack operation 20
6 Inserting / Changing the battery 20
7 Connecting the antenna 20
8 Connecting the headphones 21
9 Setting the receiving frequency 21
10 Switching the receiver on 21
11 Adjusting the volume 22
12 Stereo / FOCUS selection 22
13 Adjusting the balance 22
14 Switching the limiter on 22
15 Adjusting the squelch 23
16 RS signal and battery status indication 23
17 Attachment of the receiver 23
18 Attention! High volume! 24
19 Accessories 25
20 Technical data 25