Technical Data

 

 

 

 

Specifications

 

EK 3253

 

Frequency ranges

 

518 – 554, 626 – 662, 740 – 776, 786 – 822, 830 – 866 MHz

Receiving frequencies

 

16 factory-preset channels, 16 freely selectable channels

 

 

(tunable in steps of 5 kHz)

 

Switching bandwidth

 

36 MHz

 

Modulation

 

FM stereo working on the pilot tone principle

Nominal/peak deviation

 

± 24 kHz/± 48 kHz

 

Noise reduction system

 

Sennheiser HDX

 

AF frequency response

 

40 – 15,000 Hz

 

Signal-to-noise ratio

 

> 90 dB(A)rms (refers to overall link with SR 3254)

Sensitivity (HDX, peak deviation)

 

typ. 1,5 µV at 52 dBArms S/N

 

Squelch

 

4 steps: 0 – 25 dBµV

 

THD (at 1 kHz and nominal deviation)

 

0,9 %

 

Headphone output

 

3.5 mm jack socket

 

AF output power (peak deviation, 1 kHz AF) PHONES

2 x 100 mW at 32 Ω

 

Power supply

 

2 AA size batteries, 1.5 V

 

Operating time

 

 

 

with batteries

 

6 – 10 h (depending on volume)

 

with BA 2015 accupack

 

6 – 10 h (depending on volume)

 

Dimensions (mm)

 

82 x 64 x 24

 

Weight (incl. batteries)

 

approx. 200 g

 

Type approval

 

IC 2099A-SREK3K

 

 

 

ETSI EN 300454-1/-2

 

 

 

 

 

Recommended Accessories

 

 

 

Description

 

Product

Cat. No.

Stereo transmitter

 

SR 3254

500659

Twin stereo transmitter

 

SR 3256

500507

Earphones

 

IE4

500432

Accupack

 

BA 2015

009950

Charger for BA 2015 accupack

 

L 2015

009928

Ear sleeves, large, 10 pieces

 

 

512814

Ear sleeves, medium, 10 pieces

 

 

512815

Ear sleeves, small, 10 pieces

 

 

512816

Variants

 

 

 

EK 3253 A

Cat. No. 500522

EK 3253 D

Cat. No. 500525

Frequency range 518 – 554 MHz

 

Frequency range 786 – 822 MHz

EK 3253 B

Cat. No. 500523

EK 3253 E

Cat. No. 500 526

Frequency range 626 – 662 MHz

 

Frequency range 830 – 866 MHz

EK 3253 C

Cat. No. 500524

 

 

Frequency range 740 – 776 MHz

 

 

 

01/06 Printed in Germany Sennheiser is a registered trademark of Sennheiser electronic GmbH & Co.KG. www.sennheiser.com

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Sennheiser EK 3253 manual Technical Data, Recommended Accessories, Variants, Specifications, Description Product Cat. No