Sennheiser EK 3053-U Dimensiones
EK 3053-U
RF Wireless Systems | 3000 Series Wireless Monitoring System
General Features
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Wireless monitoring system for stage and broadcast use
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Stereo and mono transmission
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“HiDyn stage” noise reduction system
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Easy to use
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Suitable for multi-channel a lications
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Can also be used as a talkback system
EK 3053-U
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Rugged stereo ocket receiver
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16 switchable receiving frequencies, PLL-controlled
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LEDs for RF signal and “o eration”/“LowBatt” indication
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FOCUS function for individual audio mix
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Extremely reliable s ecial co-ax antenna socket
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Delivery includes: 1 EK 3053-U stereo receiver with antenna,
1 attachment cli , 9 V PP3 battery
General Descri tion
The EK 3053-U is a rugged stereo ocket receiver designed for receiving signals
transmitted by the SR 3054-U and SR 3056-U transmitters. Its small size allows
com lete freedom of movement. 16 switchable UHF receiving frequencies ensure
high flexiblility and o timum rece tion.
Technical Data
Receiving frequencies .......................................................16
Frequency range...........................................450–960 MHz
Switching bandwidth.............................................. 24 MHz
Modulation.........................................wideband FM, stereo
Nominal/ eak deviation ................ ± 40 kHz / ± 56 kHz
RF squelch........................................ 0–100 µV, adjustable
Sensitivity ...................................................... ≤ 2 µV (mono)
≤ 10 µV (stereo)
Noise reduction system .............................“HiDyn stage”
AF frequency res onse ............................... 45–15,000 Hz
Signal-to-noise ratio ....................................ty . 87 dB(A)
THD (1 kHz) ................................................................≤ 0.3 %
Stereo channel se aration..................................... ≥ 45 dB
AF out ut ower ........................... 2 x 100 mW (at 16 Ω),
min. load 2 x 8 Ω
Power su ly ....................................... 1 x 9 V PP3 battery
or 9 V accu ack
O erating time
- with alkaline battery .................................a rox. 5 hrs
- with accu ack.......................................................... ≤ 2 hrs
Dimensions ..............................................108 x 65 x 23 mm
Weight incl. battery ...................................................236 g
In com liance with................. ETS 300 422, ETS 300 455
Cat. No. 004699
Accessories for the EK 3052-U and EK 3053-V receivers
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B 2013 battery box Cat. No. 003437
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BA 2013 accu ack Cat. No. 003436
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L 2013 charger Cat. No. 003324
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NT 2013 lug-in mains unit for L 2013
NT 2013 euro ean version Cat. No. 003433
NT 2013-120 USA version Cat. No. 003434
NT 2013-UK UK version Cat. No. 003435
57mm
95 mm
17 mm
EK 3052-U dimensions
EK 3052-U/EK 3053-U
RF Wireless Systems | 3000 Series Wireless Monitoring System
108 mm
23mm
65mm
EK 3053-U dimensions
EK 3052-U/EK 3053-U
RF Wireless Systems | 3000 Series Wireless Monitoring System
EK 3052-U and EK 3053-U receivers
The transmitters of the system are o timally matched by the EK 3052-U and
EK 3053-U stereo ocket receivers. 16 switchable UHF receiving frequencies within a
switching bandwidth of 24 MHz max. ensure high flexibility and o timum rece tion.
Bot h re ceivers c a n be used in mu l ti-c h anne l systems. T h e EK 3052-U c an be owered
by either the B 2013 battery box (su lied) or the BA 2013 accu ack. The B 2013
battery box takes two 1.5 V AA size cells.
The BA 2013 accu ack is charged from its associated L 2013 charger. During the
charging rocess, the BA 2013 accu ack can remain attached to the receiver. For
owering the EK 3053-U, you can either use a 9 V PP3 battery (IEC 6 LR 61) or a
rechargeable 9 V accu ack. The head hone out ut on the receivers is designed as a
3.5 mm stereo jack socket. If you use the receivers as art of the monitoring system,
lease connect ear hones. If the receivers are used for other a lications, you can
also connect any Sennheiser stereo head hones.
To switch the EK 3052-U on, set the on/off switch on the receiver to “ON”. The
EK 3053-U has a volume control with an integral on/off switch. (The receiver is
switched off by turning the volume control fully anti-clockwise until it clicks).
Besides the volumes control, both receivers also feature a balance control and a
squelch control. A switchable limiter in the receivers revents eak volume levels
that might cause hearing damage.
The EK 3053-U additionally features a stereo/FOCUS selector switch. During stereo
o eration, the left-right signals are available as usual (transmitter in stereo mode).
During FOCUS o eration, the left-right signals are mixed and are available as a mono
signal in both head hone channels (transmitter in stereo mode). Please note: In
FOCUS mode, the balance control serves to adjust the relative levels of the two
se arate channels in the mixed mono signal. (For exam le: Transmit vocals on the
left and backing music on the right. In FOCUS mode, you listen to a mono signal with
com lete ersonal control of the balance between vocals and backing).
Both receivers have an LED for o eration and battery status indication. A flashing
LED indicates that the battery is going flat. An additional LED on the EK 3053-U indi-
cates that an RF signal is being received. With the su lied cli , the receivers can be
attached to the belt.
1 Cover late
2 Squelch control
3 Volume control
4 Balance control
5 Channel selector switch
6 On/off switch
7 B 2013 battery box
8 Antenna socket (2.5 mm mono jack)
9 Head hone socket (3.5 mm stereo jack)
10 O eration and “Low Batt” indicator
11 Limiter switch
(covered by volume control)
123 4 56
11
10 9
8
7
EK 3052-U o erating controls
EK 3053-U o erating controls
1 S ecial co-ax antenna socket
2 Head hone socket (3.5 mm stereo jack)
3 On/off/volume control
4 Balance control
5 Stereo/FOCUS selector switch
6 Limiter switch
7 Squelch control
8 Channel selector switch
9 Cover late
10 O eration and “Low Batt” indicator
11 RF signal indicator (indicates signal is
above the squelch threshold)
12 3 4 56
11
9
10
87
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