Sennheiser EK 3053-U Dimensions

EK 3053-U

RF Wireless Systems | 3000 Series Wireless Monitoring System

General Features

Wireless monitoring system for stage and broadcast use

Stereo and mono transmission

“HiDyn stage” noise reduction system

Easy to use

Suitable for multi-channel a lications

Can also be used as a talkback system

EK 3053-U

Rugged stereo ocket receiver

16 switchable receiving frequencies, PLL-controlled

LEDs for RF signal and “o eration”/“LowBatt” indication

FOCUS function for individual audio mix

Extremely reliable s ecial co-ax antenna socket

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

B 2013 battery box Cat. No. 003437

BA 2013 accu ack Cat. No. 003436

L 2013 charger Cat. No. 003324

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

10 9

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

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