Ramsey Electronics SM3 Quick Start Manual Download | Manualshive

Page: 1 / 10

background image

Realistic

POLICE

SIREN

KIT

•

Runs on 6 to 12 volts.

•

Drives any speaker.

•

Two volume levels, 250 mW and
5 Watts.

•

Easy to build two transistor circuit
teaches too!

•

Kids love it!

Duplicates the upward and downward wail of a police siren. Great for
alarms, kids toys, bikes, go-karts, etc. Easily built by all ages!

Kit No. SM3

1
2
3
...
»

Summary of Contents for SM3

Page 1: ...es any speaker Two volume levels 250 mW and 5 Watts Easy to build two transistor circuit teaches too Kids love it Duplicates the upward and downward wail of a police siren Great for alarms kids toys b...

Page 2: ...d plenty of uses for the SM3 Kids love to play fire truck or ambulance on their bikes and wagons Mom will appreciate the low volume setting here and there are the obvious uses for alarms and alerting...

Page 3: ...our step by step directions and you ll be wailing real soon When we say to install a part we mean Carefully select the right part and insert it in the PC board Gently press it fully down to the board...

Page 4: ...the hole 3 Install R2 47K yellow violet orange 4 Install C1 01 or 02 uF The holes for C2 are spaced far apart you ll see why later so just stretch C1 s leads to fit 5 Install R1 47K yellow violet oran...

Page 5: ...volt battery will suffice for now Pushbutton switch A doorbell button works well but simply touching two wires together will do 1 Connect up the speaker to points 1 and 2 2 Connect your pushbutton or...

Page 6: ...1 5K brown green red as shown YELPING SIREN To make your siren sound like the yelping type and get a tired pushbutton finger too change C2 from 47 uF to a smaller value such as 5 or 10 uF Experiment...

Page 7: ...OUCHES Your siren can be easily mounted in most any handy box or enclosure A coffee or juice can makes a dandy enclosure for speaker battery siren and pushbutton Use your imagination and see how much...

Page 8: ...SM3 8...

Page 9: ...part you need and proof of kit purchase 3 FACTORY REPAIR OF ASSEMBLED KITS To qualify for Ramsey Electronics factory repair kits MUST 1 NOT be assembled with acid core solder or flux 2 NOT be modifie...

Page 10: ...s CW7 CW Keyer CPO3 Code Practice Oscillator QRP Power Amplifiers RAMSEY MINI KITS Many other kits are available for hobby school Scouts and just plain FUN New kits are always under development Write...

Reviews:

No comments

Related manuals for SM3

Brand: Camcar Pages: 2

Brand: ABB Pages: 27

Brand: omnicharge Pages: 12

Brand: omnicharge Pages: 72

Brand: Samsung Pages: 133

Brand: Harken Hoister Pages: 12

Brand: Hama Pages: 10

Brand: Harbor Freight Tools Pages: 4

Brand: ICON Pages: 8

OLYMPIA 3x3.05m/10

Brand: Palram Applications Pages: 65

Brand: Vello Pages: 30

Brand: Zircon Pages: 2

Brand: Zircon Pages: 1

Brand: Metra Electronics Pages: 2

Brand: Berkefeld Pages: 12

IR 2.0 12-24Vdc

Brand: DOMUS LINE Pages: 9

Brand: Dometic GROUP Pages: 20

Brand: Cannondale Pages: 21

Brands by name

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Popular brands

Load more brands