HONGKONG KOON TECHNOLOGY LTD 268#, Nanchang industrial park, Gushu, Baoan district, Shenzhen China Tel: 0086755 27448753/ 29790158 Fax: 0086755 29790278 www.koontech.com Material / Color Mounting Termination Weight w/transformer IP-rating Max. / min. amb. temp Rated / max. power SPL lW/lm SPL rated power Effective freq. range Dispersion (-6dB) 1kHz / 4kHz Options Installation, Operation and Maintenance Procedures ■ Remove lid by four screws, lead cable through the cable gland and connect to terminal with required tapping. ■ Check that the gasket is fitted correctly on to the lid. Do not use any lubricants on the gasket. ■ Screw lid back into place by four screws with a torque of 1,8 Nm to assure the IP rating. ■ To change the position of the loudspeaker, please adjust the standard U- bracket (by loosening / tightening the screws) as required. ■ Use only certified/specified cable glands and blanking plugs, reflecting the same IP rating and temperature range as the loudspeaker. ■ Standard model delivered with two M20 Ex approved plastic blinding plugs. ■ DSP-15 EExmNL(T) can be supplied with three different bracket systems, according to customer requirements. ■ For optimum performance, always use the correct voltage / power and operate within the frequency limits as stated. ■ Do not open loudspeaker when energized. ■ This loudspeaker is supplied with a two years warranty against defective workmanship.