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SA-400-17 Installation and Operating Instructions Page 3 of 12
CP5012A 08/06/08
GENERAL DESCRIPTION
The SA-400 Siren Amplifier with Mechanical Tone is a premium unit designed for single or dual
100W speaker use. A 6-position rotary selector switch controls the primary operating modes of
Radio, Standby, Mechanical, Wail, Yelp, and Phaser. Two-Tone may optionally replace Phaser.
A Siren push-button switch is provided for Manual control of the output tone or Horn override,
depending on the selector switch and option switch settings. An independent rocker switch con-
trols power. A permanently mounted noise canceling PA microphone with front panel volume
control overrides all modes except Radio. An internal control is used to adjust Radio volume. An
auxiliary input is provided for connection to a positive or negative horn ring circuit or switch, per-
forming the same function as the Siren push-button. An internal 8-position DIP switch allows
selection of various options. The front panel is backlighted with LED's for night visibility. This
durable unit utilizes short circuit, high voltage, and reverse polarity protection systems for maxi-
mum service life over a wide temperature range.
SPECIFICATIONS
Input Voltage 9 - 16 VDC (negative ground)
Input Current 8 AMPS (@14 VDC - single 100W speaker)
16 AMPS (@14 VDC - dual 100W speakers)
Standby Current Less than 150 mA
Audio Frequency 200Hz - 10 kHz + 3db
Audio Distortion Less than 3% (@1 kHz - single 100W speaker)
Audio Output 40 watts (@14 VDC - single 100W speaker)
Audio Input 0.75V RMS MIN. 400 ohms + 10%
Output Power 105 WATTS RMS MAX. (15 VDC - single 100W speaker)
180 WATTS RMS MAX. (15 VDC - dual 100W speakers)
Siren Frequency 700Hz - 1500Hz (Mechanical 700Hz - 1600Hz, Two-Tone = 435Hz & 585Hz)
Tones / Cycle Rates Mech Wail Yelp Phaser Two-Tone
6 CPM 13 CPM 190 CPM 15 CPS 60 CPM
High Voltage Protection 16 - 18 VDC will cause siren output to cease, resume at normal
Short Circuit Current 50 AMPS (supply circuit must be capable of supplying this)
Operating Temperature -15° F to +140°F
Controls 6-position rotary mode switch (Radio, Standby, Mechanical, Wail, Yelp, and
Phaser)
Momentary push-button Siren switch.
Front panel mounted PA volume control, internal Radio adjust
Auxiliary input for positive or negative connection.
Internal 8-position DIP switch option selector.
Connections (9-Pin Conn) (2) Positive, (2) Negative, (2) Speaker, (2) Radio, Auxiliary
Size 6-1/8" Wide, 5-3/8" Deep, 2-1/2" High
Weight 5-1/2 LBS.