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CVA Series
Power Amplier
The sub compact CVA-25-1 and CVA-50-1 are built to meet the
rigorous demands of high quality commercial, industrial and Pro
Audio sound installations. Low cost, lightweight and convection
cooling make this Class D amplier exible enough for a broad
range of applications requiring quiet amplication. With an
extremely compact form factor, the CVA’s allow amplication to be
located in places normally off limits to standard ampliers without
compromising sound or power. The Plenum rating (UL 2043) and
remote volume control further compliment the recessing options.
Our Signal Sense Power Technology TM (SSPT TM) ensures the
amplier is only powered when there is a signal present, saving
energy and extending product life. Like all Stewart products,
the CVA’s are designed for sonic accuracy, high efciency and
extended duty cycles.
CVA’s
CVA-25-1 25W x 1 70V/100V
CVA-50-1 50W x 1 70V/100V
Features:
• Sub Compact 1/4 rack package
• Mono constant voltage amplier (70V or
100V)
• Music and re alarm muting
• Clean full–range dynamic power
• Signal Detect trigger for sleep & wake up
• Remote volume control
• Multiple mounting options
• External inline power supply
• Made in the USA
Applications:
• Boardrooms & classrooms
• AV projection systems
• Lecterns and Podiums
• Plenum applications, UL 2043 rated
• Pole mounting option
• Fixed installations with ampliers located in
listening environment
• Behind at screen televisions
• Applications where traditional ampliers
won’t t
14397 Cuesta Court Ste D1 • Sonora Ca 95370 • TEL: 209.588.8111 • www.stewartaudio.com
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CVA Series
CVA-25-1 25W x 1 70V/100V
CVA-50-1 50W x 1 70V/100V
Specifications
CVA-25 X 1 70V/100V
CVA-50 X 1 70V/100V
Frequency Response (+0, –3 dB)
Power Bandwidth (+3, –3 dB)
THD+N
Signal-to-Noise Ratio
Remote Volume Control
Input Sensitivity
Standard Voltage Gain
Input impedance (Balanced/Unbalanced)
Sleep, Idle Current Draw , 1/8 power draw
Class
Input Connectors
Output Connectors
Power Supply
Cooling
Controls
LED Indicators
Construction
Dimensions (height, width, depth)
Weight CVA-25/CVA-50
Warranty
Plenum Rating
25 W
50 W
100 Hz—20 kHz
80 Hz—30 kHz
<.1% @ Full Power
>80dB
0-10V DC, 4 Pin Euro Block
.5V (-3 dBV)
151X (43dB) @ 70.7 Volts out
20k Ohms/10k Ohms
0.005/ 0.01/0.15 Amps
D
Euro Block 3 Pin, 3.5mm
Euro Block 2 Pin, 5mm
External in-line 48VDC (Included), 2 pin Euro Block
Convection–Cooling (No Fans)
Level
Power, Signal Present & Clip
Aluminum Chassis & Top Cover
1.25”H x 4.35” W x 3.2” D
<.7 lbs (0.32 kg)/1.2 lbs (0.54 kg)
3 years
UL 2043 Approved
14397 Cuesta Court Ste D1
Sonora Ca 95370
TEL: 209.588.8111
www.stewartaudio.com
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