System Sensor Multi-Alert series

Multi-Alert Series

Manufacturer	BRK (System Sensor) {"label": "Manufacturer", "field": "BRK (System Sensor)"}
Color(s)	Red Beige {"label": "Color(s)", "field": " Red Beige "}
Rated Voltage	12/24VDC {"label": "Rated Voltage", "field": "12/24VDC"}
Introduced	1987 {"label": "Introduced", "field": "1987"}
Discontinued	1997 {"label": "Discontinued", "field": "1997"}
Succeeded by	SpectrAlert {"label": "Succeeded by", "field": "SpectrAlert"}

{
    "rows": [],
    "title": "Multi-Alert Series",
    "images": [
        "System_Sensor_Multi-Alert_series_lineup.png"
    ]
}

Originally released under the BRK brand. The Multi-Alert series is a multi-tone sounder series. The Multi-Alert series was one of System Sensors first product series. They were also one of the first electronic horns on the market.

Tones

MA tone	MAEH tone	A	B	C
800 Hz Continuous	800 Hz Continuous		X	X
Slow Whoop	Fast Whoop	X	X	X
800/1000 Hz Hi-Lo	800/1000 Hz Fast-Dual	X		X
2400 Hz interrupted	Chirp	X	X
2400 Hz Continuous	2400 Hz Continuous			X
1200 Hz interrupted	Bell		X
Swept Frequency	Laser	X
Fast warble	Electromechanical

Models

MA series

Model Number	Sounder voltage	Strobe voltage	Candela	Mounting	Color	Lettering	Replaced By
MA12/24D	12-30 VDC	N/A	N/A	Wall/Ceiling	Red	None	CH12/24
MA12/24DB	12-30 VDC	N/A	N/A	Wall/Ceiling	Beige	None	CH12/24W
MA/SS-12D	12-30 VDC	12 VDC	1[citation needed]	Wall	Red	FIRE	MASS12LO
MA/SS-24D	12-30 VDC	24 VDC	1	Wall	Red	FIRE	MASS24LO
MASS12LO	12-30 VDC	12-17 VDC	1.5	Wall	Red	FIRE	None
MASS12LOB	12-30 VDC	12-17 VDC	1.5	Wall	Beige	FIRE	None
MASS24LO	12-30 VDC	22.5-30 VDC	1.5	Wall	Red	FIRE	None
MASS24LOB	12-30 VDC	22.5-30 VDC	1.5	Wall	Beige	FIRE	None
MASS24LOC	12-30 VDC	22.5-30 VDC	1.5	Ceiling	Red	FIRE	None
MASS24LOLA	12-30 VDC	22.5-30 VDC	1.5	Wall	Red	FUEGO	None
MASS24M	12-30 VDC	22.5-30 VDC	15	Wall	Red	FIRE	MASS2415ADA
MASS24MB	12-30 VDC	22.5-30 VDC	15	Wall	Beige	FIRE	MASS2415ADAB
MASS24MC	12-30 VDC	22.5-30 VDC	15	Ceiling	Red	FIRE	None
MASS1215ADA	12-30 VDC	10.5-17 VDC	15	Wall	Red	FIRE	None
MASS1215ADAB	12-30 VDC	10.5-17 VDC	15	Wall	Beige	FIRE	None
MASS121575ADA	12-30 VDC	10.5-17 VDC	15/75	Wall	Red	FIRE	None
MASS121575ADAB	12-30 VDC	10.5-17 VDC	15/75	Wall	Beige	FIRE	None
MASS2415ADA	12-30 VDC	20-30 VDC	15	Wall	Red	FIRE	CH2415
MASS2415ADAB	12-30 VDC	20-30 VDC	15	Wall	Beige	FIRE	CH2415W
MASS241575ADA	12-30 VDC	20-30 VDC	15/75	Wall	Red	FIRE	CH241575
MASS241575ADAB	12-30 VDC	20-30 VDC	15/75	Wall	Beige	FIRE	CH241575W
MASS2475ADA	12-30 VDC	20-30 VDC	75	Wall	Red	FIRE	CH2475
MASS2475ADAB	12-30 VDC	20-30 VDC	75	Wall	Beige	FIRE	CH2475W
MASS24110ADA	12-30 VDC	20-30 VDC	110	Wall	Red	FIRE	CH24110
MASS24110ADAB	12-30 VDC	20-30 VDC	110	Wall	Beige	FIRE	CH24110W
MASS2415ADAS	12-30 VDC	20-30 VDC	15	Wall	Red	FIRE	CH2415
MASS241575ADAS	12-30 VDC	20-30 VDC	15/75	Wall	Red	FIRE	CH241575

MAEH series

Model Number	Sounder voltage	Strobe voltage	Candela	Mounting	Color	Lettering	Replaced By
MA12/24EH	12-30 VDC	N/A	N/A	Wall/Ceiling	Red	None	HC12/24 CH12/24
MAEH12LO	12-30 VDC	12-17 VDC	1.5	Wall	Red	FIRE	None
MAEH24LO	12-30 VDC	22.5-30 VDC	1.5	Wall	Red	FIRE	None
MAEH24LOC	12-30 VDC	22.5-30 VDC	1.5	Ceiling	Red	FIRE	None
MAEH24LOLA	12-30 VDC	22.5-30 VDC	1.5	Wall	Red	FUEGO	None
MAEH24M	12-30 VDC	22.5-30 VDC	15	Wall	Red	FIRE	MAEH2415ADA
MAEH24MC	12-30 VDC	22.5-30 VDC	15	Ceiling	Red	FIRE	PC2415
MAEH1215ADA	12-30 VDC	10.5-17 VDC	15	Wall	Red	FIRE	P1215
MAEH121575ADA	12-30 VDC	10.5-17 VDC	15/75	Wall	Red	FIRE	P121575
MAEH2415ADA	12-30 VDC	20-30 VDC	15	Wall	Red	FIRE	P2415 CH2415
MAEH241575ADA	12-30 VDC	20-30 VDC	15/75	Wall	Red	FIRE	P241575 CH241575
MAEH2475ADA	12-30 VDC	20-30 VDC	75	Wall	Red	FIRE	P2475 CH2475
MAEH24110ADA	12-30 VDC	20-30 VDC	110	Wall	Red	FIRE	P24110 CH24110
MAEH2415ADAS	12-30 VDC	20-30 VDC	15	Wall	Red	FIRE	P2415 CH2415
MAEH241575ADAS	12-30 VDC	20-30 VDC	15/75	Wall	Red	FIRE	P241575 CH241575