Sennheiser SR 3254 - User manual

SR 3254/SR 3256 Product
News
䊏Easy to use
䊏Stereo/mono selector switch
䊏Switching bandwidth of 36 MHz per transmitter
䊏Transmission frequencies tunable in steps of 5 kHz
䊏HDX noise reduction system with more than 90 dB signal-to-noise ratio
䊏LC display for frequency and deviation
䊏Rugged 19˝ housing with built-in mains unit
䊏Suitable for multi-channel applications
䊏RF output power max. 100 mW
䊏Delivery includes: SR 3254 transmitter or SR 3256 twin transmitter,
rack-mounting kit, mains cable,
1 telescopic antenna (SR 3254)
or 2 telescopic antennas (SR 3256),
instructions for use
The SR 3254 stereo
transmitter and the SR 3256
twin stereo transmitter are
designed for professional
wireless monitoring
applications. 32 trans-
mission frequencies, 16
of which are tunable in
steps of 5 kHz, give the
highest flexibility.
A switching bandwidth
of 36 MHz per transmitter
and the efficient Sennheiser
HDX noise reduction system
ensure reliable, high-quality
signal transmission. Their
rugged housings with clear,
user-friendly menu control
make these transmitters
the ideal partners for major
stage shows and tours.

Technical Data
513592 01/06 Printed in Germany Sennheiser is a registered trademark of Sennheiser electronic GmbH & Co.KG. www.sennheiser.com
Specifications SR 3254/SR 3256
RF output power max. 100 mW (50 mW ± 2dB on delivery)
Frequency ranges 518 – 554, 626 – 662, 740 – 776, 786 – 822, 830 – 866 MHz
Transmission 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
Headphone output ¼˝ (6.35 mm) stereo jack socket, ⱖ200 mW/32 ⍀
RF output BNC socket, 50 ⍀
AF input 2 x XLR3, electronically balanced
Signal-to-noise ratio > 90 dB(A)rms (refers to overall link with EK 3253)
THD (at 1 kHz and nominal deviation) < 0.9 %
Power supply 115 / 230 V AC + 10 % / - 15 %
Dimensions 436 x 228 x 43 mm (19˝, 1 U)
Weight SR 3254 / SR 3256 approx. 3,300 g / approx. 4,000 g
Type approval FCC ID: DMOSREK3K; IC: 2099A-SREK3K; CE 0682!
Recommended Accessories
Variants
SR 3254 A-EU: 518 – 554 MHz Cat. No. 500659
SR 3254 B-EU: 626 – 662 MHz Cat. No. 500660
SR 3254 C-EU: 740 – 776 MHz Cat. No. 500661
SR 3254 D-EU: 786 – 822 MHz Cat. No. 500662
SR 3254 E-EU: 830 – 866 MHz Cat. No. 500663
SR 3254 A-UK: 518 – 554 MHz Cat. No. 500664
SR 3254 B-UK: 626 – 662 MHz Cat. No. 500665
SR 3254 C-UK: 740 – 776 MHz Cat. No. 500666
SR 3254 D-UK: 786 – 822 MHz Cat. No. 500667
SR 3254 E-UK: 830 – 866 MHz Cat. No. 500668
SR 3254 A-US: 518 – 554 MHz Cat. No. 500669
SR 3254 B-US: 626 – 662 MHz Cat. No. 500670
SR 3254 C-US: 740 – 776 MHz Cat. No. 500671
SR 3254 D-US: 786 – 822 MHz Cat. No. 500672
SR 3254 E-US: 830 – 866 MHz Cat. No. 500673
SR 3256 A-EU: 518 – 554 MHz Cat. No. 500507
SR 3256 B-EU: 626 – 662 MHz Cat. No. 500508
SR 3256 C-EU: 740 – 776 MHz Cat. No. 500509
SR 3256 D-EU: 786 – 822 MHz Cat. No. 500510
SR 3256 E-EU: 830 – 866 MHz Cat. No. 500511
SR 3256 A-UK: 518 – 554 MHz Cat. No. 500512
SR 3256 B-UK: 626 – 662 MHz Cat. No. 500513
SR 3256 C-UK: 740 – 776 MHz Cat. No. 500514
SR 3256 D-UK: 786 – 822 MHz Cat. No. 500515
SR 3256 E-UK: 830 – 866 MHz Cat. No. 500516
SR 3256 A-US: 518 – 554 MHz Cat. No. 500517
SR 3256 B-US: 626 – 662 MHz Cat. No. 500518
SR 3256 C-US: 740 – 776 MHz Cat. No. 500519
SR 3256 D-US: 786 – 822 MHz Cat. No. 500520
SR 3256 E-US: 830 – 866 MHz Cat. No. 500521
Description Product Cat. No.
Bodypack receiver EK 3253 500522
Active antenna combiner 8:1,
for setting up complex wireless monitoring systems AC 3000-EU 009424
Passive directional antenna, transmitting and receiving antenna,
can be used in the frequency range from 450 – 960 MHz A 2003 003658
Passive omni-directional antenna, transmitting and receiving antenna,
can be used in the frequency range from 450 – 960 MHz A 1031-U 004645
Antenna mount, for mounting the antenna connections
of the SR 3254 / SR 3256 to the front of the rack GA 3030-AM 004368
BNC coupler, for joining two BNC/BNC coaxial cables GZV 1019-A 002368
BNC/BNC coaxial cable, antenna cable with 50 ⍀impedance, length 5 m GZL 1019-A5 002325
BNC/BNC coaxial cable, antenna cable with 50 ⍀impedance, length 10 m GZL 1019-A10 002326
Closed, dynamic hi-fi stereo headphones HD 25 002976