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SCM Doc. nº HD-3-1-14.5.3 TALK-BACK SYSTEM TYPE: SCM - ALT MODEL: ALT - EXT - 2 (Loudspeaker) FEATURES - General purpose horn-loudspeaker - Bidirectional communication - Material: ABS plastic - For use on deck areas, engine room, etc. - Forming a substation together with PUL-1 (call box) TECHNICAL SPECIFICATIONS Power output 20 W Frequency range 500 Hz - 7 KHz Impedance 8W Acoustic pressure 105dB/118dB SPL 1W/20W (1m) Weight Approx. 1.4 Kg IP-rating 66 TECHNICAL SPECIFICATIONS. EDITION: FEBRUARY 2010 TALK-BACK SYSTEM www.scmsistemas.com SCM SISTEMAS S.L. Tel. +34 985356263 ADDRESS: C/Benjamin Franklin nº 351 Tel. +34 985168043 33211 Gijón (Asturias) Spain Fax +34 985348083

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