SM9va Audio Surveillance Kit
Audio Surveillance
Electronic Technical Services Inc.
211 Conchas SE
Albuquerque, NM 87123
PH 505-888-3923 FAX 505-888-3926
8 zone, sequential or manual
switching, audio/video surveillance system (cameras not supplied). Can be used independently for monitoring live audio/
video or with tape recorders for
recording and playback. Two
modes of operation: Audio follow
video mode or audio mixer/
switcher operates independently
of video switcher.
Kit Includes
SM1 Microphone Specifications
8 SM1 Pre-amplified microphones.
SM8va Switcher / mixer / amplifier.
12 VDC AC adapter.
3’ Dual RCA Patch cable.
Warning label.
SM1S surface mount adapter for SM1.
White (standard) or ivory face plate.
Omni-directional element w/25’ range.
Low noise MOSFET pre-amplifier.
Line level, unbalanced output.
Adjustable gain.
Treble boost circuit. Selectable on/off.
Enhances clarity of time lapse recordings.
Limiter circuit. Selectable on/off.
Easy cable run termination.
Flush or surface mountable.
Power: 12 VDC @ 10mA.
Wiring Requirements
SM4va Switcher / Mixer Specifications
Stranded 22-gauge, 2-conductor
shielded cable. Distances up to 1000’.
It may be against the law to install this equipment in
certain environments. It is the responsibility of the
installation company and end user to comply with state
and federal laws. If you are unfamiliar with these laws,
consult a qualified attorney.
1 year parts and labor.
Sequential video switcher dwell: 2-90sec.
Switch for each video channel to start
sequence/hold or bypass cameras.
In/out switch and level control for each
microphone channel.
All settings stored in non-volatile memory.
Standard RCA and BNC jacks for
connection to tape recorders, etc.
1 Watt Power amplifier.
3” full range speaker.
Tape monitor switch.
3.5mm Headphone jack.
Power: 12 VDC @ 500mA
Dimensions W 7.29 x L 7.00 x H 2.52
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