ALSD1 Specs

Overview:
ALSD1 is a high output very low current draw dual channel siren driver designed to work with alarm panels with limited
current capability.
Specifications:
• 6VDC or 12VDC operation.
Parallel or series speaker wiring
113 db @ 10’ @ 6V - 8 Ohms
115 db @ 10’ @ 6V - 4 Ohms
116 db @ 10’ @ 12V - 8 Ohms
120 db @ 10’ @ 12V - 4 Ohms
Current draw range from 0.5A to 1.8A based on speaker
impedance and supply voltage.
• Two (2) channel operation - steady or yelp.
• Very low current draw.
Board Dimensions (approximate): 3” x 2.5” x 1.125” (72.6mm x 63.5mm x 28.58mm)
Installation Instructions:
1. Mount the ALSD1 in desired location.
2. Connect 4 Ohm or 8 Ohm speakers to terminals marked SPKR (see suggested speaker wiring diagrams below).
3. Connect 6VDC to 12VDC from output terminals on control panel or other desired power source
(observing polarity) to (--- ) negative and STY+ or YLP+ on ALSD1.
Note: Steady tone overrides yelp tone if both channels are triggered simultaneously.
Typical Speaker Wiring Diagrams:
ALSD1
Siren Driver
ALSD1 SIREN DRIVER
ALTRONIX CORP.
BROOKLYN. NY 11220
MADE IN USA
YLP+
SPKR
GND
STY+
D2
C3
C4
C2
C6
C5
Q6
Q3
Q5
Q2
ALSD1 SIREN DRIVER
ALTRONIX CORP.
BROOKLYN. NY 11220
MADE IN USA
YLP+
SPKRGND
STY+
D2
C3
C4
C2
C6
C5
Q6
Q3Q5
Q2
Two (2) Speakers, 8 Ohms each Three (3) Speakers, 8 Ohms each
ALSD1 SIREN DRIVER
ALTRONIX CORP.
BROOKLYN. NY 11220
MADE IN USA
YLP+
SPKRGND
STY+
D2
C3
C4
C2
C6
C5
Q6
Q3Q5
Q2
Four (4) Speakers, 4 or 8 Ohms each
ALSD1 SIREN DRIVER
ALTRONIX CORP.
BROOKLYN. NY 11220
MADE IN USA
YLP+
SPKRGND
STY+
D2
C3
C4
C2
C6
C5
Q6
Q3Q5
Q2
Two (2) Internal/External Hook-up
Fusing External Speakers:
Speakers that are accessible from outside a building
should have a 2.5A fuse placed in series with the speaker
leads so that any attempt to short the speaker leads will
blow the fuse on that speaker, while other speakers will
continue to operate.
Altronix is not responsible for any typographical errors. Product specifications are subject to change without notice.
140 58th Street, Brooklyn, New York 11220 USA, 718-567-8181, fax: [phone]
web site: www.altronix.com, e-mail: [e-mail]. Lifetime Warranty, Made in U.S.A.
IIALSD1 - Rev. 111101 F20P
MEMBER
Voltage
Current
Drain
Load
6V 0.48A 8 Ohms
6V 0.50A 4 Ohms
12V 0.92A 8 Ohms
12V 1.86A 4 Ohms