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SIR 800

Compact Transmitter 

Order # 484.512

Germany

beyerdynamic GmbH & Co. KG

Theresienstr. 8 · 74072 Heilbronn – Germany
Tel.  +49 (0 )71 31 / 6 17-0 · Fax   +49 (0 )71 31 / 617-224
[email protected] · www.beyerdynamic.de

United States

beyerdynamic Inc. USA

56 Central Ave. · Farmingdale, NY 11735
Tel. +1 (631) 293-3200 · Fax   +1 (631) 293-3288
[email protected] ·  www.beyerdynamic.com

Great Britain

beyerdynamic U.K. Ltd.

17 Albert Drive · Burgess Hill RH15 9TN
Tel. +44 (0)1444 / 258 258 · Fax   +44 (0)1444 / 258 444
[email protected] · www.beyerdynamic.co.uk

D

ESCRIPTIONS

The SIR 800 compact transmitter is used within the SIR 
conference system for the transmission of 8 audio channels
by infrared light.
The audio signal are converted into frequency modulated 
infrared light and then transmitted with the SIR 801 radiators,
which are directly connected to the SIR 800. The original (OR)
and a maximum of 7 target languages can simultaneously be
transmitted on different carrier frequencies by narrow band
frequency modulation.
The transmitted signals are received by the SIR 320 receiver and
can then be monitored with headphones.
With miniature switches on the front panel the frequency
band can be chosen and the channels can be switched ON or
OFF. With a rotating switch it is possible to assign up to 32
transmission channels.
3 infrared transmitter diodes allow monitoring for the 
technician without radiators. Eight green LEDs indicate the
status of the appropriate interpreter channel. 
LEDs on the front panel indicate the operation mode: channel
ON (red) and audio signal available (green).

O

PTIONAL

A

CCESSORIES

SIR 801

Infrared radiator . . . . . . . . . . . . Order # 484.520

SIR 320

Receiver . . . . . . . . . . . . . . . . . . . Order # 484.539

CA 5105

BNC cable, 5 m . . . . . . . . . . . . . . Order # 484.601

CA 5110

BNC cable, 10 m . . . . . . . . . . . . . Order # 484.628

CA 5120

BNC cable, 20 m . . . . . . . . . . . . . Order # 484.636

T

ECHNICAL

S

PECIFICATIONS

The unit is complying with the international standard IEC914.

Connections

Input for the original 
language (OR) and the 
target languages. . . . . . . . . . . . . . . . . 8 x XLR socket, 3-pin,

+6dBu, balanced
or 25-pin SUB-D 
(“Tascam-Standard”)

IR LINK . . . . . . . . . . . . . . . . . . . . . . . . . 2 x BNC socket
1: Connection for a maximum of 10 SIR 801 radiators
2: Connection for a maximum of 10 further SIR 801 radiators
RF LINK for cascading (RF) 
with further SIR 800 control units . . . 1 x BNC socket

LEDs

Illuminated power switch. . . . . . . . . . green  
LEDs for channel ON indication . . . . . red
LEDs for Audio available (AF) . . . . . . green
Transmission frequencies . . . . . . . . . . 55 kHz – 1335 kHz 

in 40 kHz steps 

Intermediate frequency . . . . . . . . . . . 455 kHz
T.H.D. . . . . . . . . . . . . . . . . . . . . . . . . . . < 0.2%
Signal-to-noise ratio . . . . . . . . . . . . . . > 70dB
Channel separation. . . . . . . . . . . . . . . > 60dB
Supply voltage . . . . . . . . . . . . . . . . . . 90 - 250 VAC, 

50 / 60 Hz

Power consumption . . . . . . . . . . . . . . 40 W max.
Dimensions (W x H x D):  . . . . . . . . . . 433 x 88 x 305 mm

19", 2 U, 

Housing . . . . . . . . . . . . . . . . . . . . . . . . Aluminium, “black” 

anodised

Weight . . . . . . . . . . . . . . . . . . . . . . . . . 4.6 kg

Non-contractual illustrations. Subject to change without notice. E1 / SIR 800 (01.07)

F

EATURES

• Up to 32 channels
• Quick and easy set-up

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