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SUM-4 Installation and Operation Manual

SPECIFICATIONS

Input Level

+4dBu nominal

Input Impedance

20K

balanced, 10 K

unbalanced

Expansion Input Level

-2dBv nominal, @ 40K

unbalanced input exp input

Stereo Output level

+4dBu nominal, +24dBu max, @ 600

Stereo and Monaural

100

balanced, 47

unbalanced

Output Impedance

Monaural Output level

+4dBu nominal, + 24dBu max, @ 600

System Gain

Off to 12dB

Frequency Response

20 to 20kHz, +/- 0.1dB

Noise

84dB below nominal, output

THD

.009%, any frequency

IMD

.008% (250/7kHz)

Xtalk

<80dB @ 2 kHz

TDR

> 100dB

Connectors

Audio Inputs/Outputs – Removable screw terminals

Power Requirement

16 Vac, 600 ma, wall transformer, Supplied. Screw
terminals for external powering up to three additional
SUM-4’s from one wall transformer. (220 Vac 50-60
Hz CE wall transformer OPTIONAL)

Size

4.20" x 6.00” x 1.55", Painted steel chassis w/ 4 – 6-
32 mounting holes

Weight

2.0 lb.

Options

RA-1, Rack Shelf. 1 RU.

Содержание SUM-4

Страница 1: ... this document Revisions of this information or new editions may be issued to incorporate such changes Broadcast Tools is a registered trademarkof Broadcast Tools Inc Copyright 1989 2005 by Broadcast Tools Inc All rights reserved Nopart of this document may be reproduced or distributed without permission Visit www broadcasttools com for important product update information Manual update 12 14 04 S...

Страница 2: ...e problems If you experience these problems please research your hardware software instruc tion manuals or contact the manufacturer s technical support department WHO TO CONTACT FOR HELP If you have any questions regarding your product or you need assistance please con tact your distributor from whom you purchased this equipment If you would like more information about Broadcast Tools products you...

Страница 3: ... 16Vac 600ma wall power transformer and this manual Installation of the SUM 4 in high RF environments should be performed with care Shielded cable is suggested for all audio connections All shields should be tied to the GND Ground terminals The station ground should be connected to the chas sis ground screw located on the far right side of the SUM 4 as viewed from the rear It is recommended that a...

Страница 4: ... CCW the channel is OFF When the control is fully CW 12 dB of gain is available With the control set at 1 o clock unity gain is achieved Stereo input sources appear at both the stereo and monaural outputs MULTIPLE UNIT LINKING Multiple SUM 4 s may be linked together in order to expand input channel capaci ty Connect the LEFT output of the first SUM 4 to the LTXI LefT eXternal Input of the second S...

Страница 5: ...anced Output Impedance Monaural Output level 4dBu nominal 24dBu max 600 Ω System Gain Off to 12dB Frequency Response 20 to 20kHz 0 1dB Noise 84dB below nominal output THD 009 any frequency IMD 008 250 7kHz Xtalk 80dB 2 kHz TDR 100dB Connectors Audio Inputs Outputs Removable screw terminals Power Requirement 16 Vac 600 ma wall transformer Supplied Screw terminals for external powering up to three a...

Страница 6: ... IE ES S O OR R R RE EM ME ED DI IE ES S TO THE MAXIMUM EXTENT PERMITTED BYAPPLICABLE LAW BROADCAST TOOLSAND ITS SUPPLIERS DISCLAIMALL OTHER WARRANTIES EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABIL ITY OR FITNESS FOR A PARTICULAR PURPOSE AND THE FOREGOING ALTERNATIVE REMEDIES SHALL BE EXCLUSIVE OF ALL OTHER REMEDIES THIS LIMITED WARRANTY GIVES YOU SPECIF...

Страница 7: ...c ce e 360 854 9559 f fa ax x 360 854 9479 7 SUM 4 Installation and Operation Manual APPENDIX APPENDIX A Functional Diagram Channel 1 Stereo Output Power LT RT Channel 2 Channel 3 Channel 4 LT Monaural Output Expansion Inputs RT LT RT LT RT LT RT LT RT ...

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