Tecpro LS352 Loudspeaker Station, Dual Circuit, Desktop
The new Tecpro LS352 is a dual circuit, desktop Loudspeaker Station featuring a carefully selected 80mm loudspeaker and a high quality, flush mounted electret microphone. Construction is based around a rigid aluminium extrusion with ABS side panels. The microphone, loudspeaker and associated controls are mounted on a machined top plate.
The LS352 Loudspeaker Station is designed to provide local monitoring of two independent intercom circuits (A and B) without the need to wear headphones. The built-in microphone allows full duplex (simultaneous talk and listen) conversations to take place. Feedback cancellation circuitry helps avoid acoustic howl round when speaker and microphone are operating together. To further reduce feedback, a gooseneck microphone (which allows the operator to speak closer to the mic capsule) may be plugged in, disabling the internal microphone. If required, a headset may be plugged in, disabling both the internal microphone and speaker.
Pressing the 'Call' button causes 'Call Alert' lights on other Tecpro user stations to flash to attract the attention of operators who may have momentarily removed their beltpack and headset.
The LS352 Loudspeaker Station can both detect and generate 'Remote Mic Kill' tone. If tone is detected and the microphone is active, it will be automatically switched off to help control the build up of unnecessary noise and chatter.
Pressing the 'Speaker Mute' button silences the loudspeaker output. To prevent important announcements accidentally going unheard when muted, the LS352 Loudspeaker Station will automatically restore audio levels to a pre-determined volume when an 'Override' control signal is generated elsewhere on the intercom circuit. The 'Override' loudspeaker volume level is adjusted via a preset and can be set anywhere between zero and full volume.
The LS352 can switch between monitoring intercom circuit A or B.
The rear mounted intercom connections comprise two pairs of 3-pin and one pair of 5-pin XLR connectors for flexible daisy chaining with other user stations.
The LS352 derives power either directly from the 24V DC Tecpro line, or from an optional external 24V PSU. A green LED indicates power is present.
If monitoring of a single intercom circuit only is required, the LS351 should be considered.
Power requirements: 24 to 30 volts DC
Current consumption: Less than 175mA peak
External DC input: 24 to 30 volts DC
Current consumption: Less than 100mA peak with external PSU
Headphone output: 30 ohm to 4K ohm
Microphone input: 200 to 600 ohm dynamic microphones
Dimensions: 245mm (L) x 120mm (W) x 90mm (H)
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