Sound-Craft Systems Inc. SLR-45 “Soundette”
Long Range Voice Amplifier System (Made in USA)
This is a portable PA / voice projection system, likely from the late 1960s–1970s, designed for public speaking applications such as:
Schools
Churches
Outdoor events
Political rallies
Auctioneers
Coaches / athletic fields
SLR-45
Soundette – Long Range Voice Amplifier System
Manufactured by Sound-Craft Systems, Inc. (USA)
This is a self-contained powered speaker with built-in amplifier . comes with power cord
🔊 Key Features
Power & Operation
Built-in amplifier
Auto-charger
Battery operation capability
110/120V AC operation (95 watts)
10 watts RMS total output
4 ohm output
Fuse protected
Controls
Internal speaker volume
Add-On speaker volume (for external speaker)
AUX input level
MIC 1 & MIC 2 input levels
Power switch with battery condition meter
Inputs
AUX in/out
Two ¼" mic inputs
External speaker output
📦 Physical Characteristics
Wood cabinet with vinyl covering
Front speaker grille cloth
Top carrying handle
Portable tower-style enclosure
Industrial / institutional design
This was built for durability and projection rather than hi-fi sound.
🎯 What It Was Used For
This type of system was commonly used before modern lightweight PA systems existed. It allowed:
Battery-powered outdoor announcements
Portable microphone amplification
Extension speaker connection for larger crowds