Short attack and alert test of my Loudoun Communications (aka "Master Blaster") model ES4000 electronic outdoor warning siren, using one 200W speaker assembly from the siren on very low volume.
Tuesday, November 13, 2012
Master Blaster ES4000 - Attack & Alert
Master Blaster ES4000 - Attack & Alert Tube. Duration : 2.23 Mins.
Short attack and alert test of my Loudoun Communications (aka "Master Blaster") model ES4000 electronic outdoor warning siren, using one 200W speaker assembly from the siren on very low volume.
Short attack and alert test of my Loudoun Communications (aka "Master Blaster") model ES4000 electronic outdoor warning siren, using one 200W speaker assembly from the siren on very low volume.
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