Clarity SMA-40 - User Manual

1
CSP SMA-40/60/120
Issue 4
(540) 427-3505
SMA-40, SMA-60, SMA-120
40, 60, AND 120 WATT MIXER-AMPLIFIERS
INTRODUCTION
These instructions contain the specifications and
information necessary to install, operate, and maintain
the SMA-40, 40 Watt Mixer-Amplifier, the SMA-60,
60 Watt Mixer-Amplifier and the SMA-120, 120 Watt
Mixer-Amplifier manufactured by Clarity, 1111
Industry Avenue., Roanoke, VA 24013.
"WARNING: To reduce the risk of fire or electric
shock, do not expose this appliance to rain or
moisture."
"WARNING: Shock Hazard - Do Not Open."
"AVIS: Risque de Choc Electrique ne pas Ouvrir."
SPECIFICATIONS
Purpose
The SMA-40 Mixer-Amplifier provides up to 40 watts
of audio power, the SMA-60 provides 60 watts, and the
SMA-120 provides up to 120 watts of audio power for
voice paging or background music systems.
Applications
• Clarity Paging and Sound Reinforcement Systems
• Clarity Stand Alone Background Music Systems
Refer to Figure 1 for a block diagram of a typical
installation.
Features
• Active mix or Priority override on inputs (override
is voice operated)
• Shelf or rack mount (optional kit)
• Mic 1/Tel on Input 1, 3 standard MIC/AUX
inputs
• Volume control for each input
• Master volume control
• Bass control
• Treble control
• Circuit breaker protection
• ON/OFF switch
• Overload limiting circuit protection
• Screw terminals for all connections
• Power "ON" indicator
• 2 ohm, 25 and 70 volt outputs on the SMA-120
• 4 ohm, 25 to 70 volt outputs on the SMA-40 and
SMA-60
• Knobs for all controls
• Clipping indicator
• Effects loop
• Tape output
• Booster output
Dimensions and Weight
• 17.1"W x 12.5"D x 3.9"H
(43.43cm W x 31.75cm D x 9.9cm H)
• 24 lbs. (10.8 Kg) - SMA-120
• 20 lbs. (9.1 Kg.) – SMA-40 and SMA-60
Power Requirements
Voltage 120 VAC
Current (SMA-40) 1.0 Amps
(SMA-60) 1.6 Amps
(SMA-120) 3.0 Amps
Environment
Temperature 0 to 50 Degrees C
Humidity 0 to 85% non-precipitating
947408

Clarity SMA-40 Specifications