Subtotal $1328.41
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Stewart Audio DA-770-2
Compact Series Power Amplifier 80w x 2 @ 70.7V
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 Purchase Information
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This product has been discontinued by Stewart Audio and is no longer available to purchase.
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More information from Stewart Audio
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Stewart Audio’s Compact Series Power Amplifiers are designed to meet the needs for high quality Commercial, Industrial and Professional Audio Sound installations. The All Digital Compact Series was specifically designed to meet the rigorous requirements of Sonic Accuracy, High Efficiency, Low Power consumption and extended duty cycles in a very compact Half Rack Package. Two units (up to 4 channels) may be Rack mounted in a 1U package.
The Stewart Audio DA770 Series Power Amplifiers are manufactured to ISO 9002 standards.
Power Specifications:
- DA-70-270W x 2 @ 4 Ohms35W x 2 @ 8 Ohms
- DA-70-470W x 4 @ 4 Ohms35W x 4 @ 8 Ohms
- DA-770-280W x 2 @ 70.7 Volts
Features:
- Ultra Efficient All Digital Design
- Switch Mode Power Supply
- Remote Turn On/Off
- Convection Cooled (No Fans)
- Very Low Power Consumption
- Multi-Channel Compact Half Rack Package
- Opmitized to drive 70.7V loads
- World Class Reliability
- Rack Mount Up to 4 CH in 1U Rack Space.
- 3 Years Parts and Labor Warranty
Applications:
- Retail /Office Music Systems
- Foreground Music Systems
- Music & Page Systems
- Room Combining
- Board Rooms
- Sound Reinforcment
- Fixed Installations with Amplifiers located in Listening Environment
Specifications:
- 70.7V x 2 Power: 80 Watts/Ch
- Frequency Response (+0, –0.3 dB, 1W): 32 Hz—20 kHz (Hi-pass Filter bypassed)
- Full Power Bandwidth (32-Hz-20kHz): ± .5dB (Hi-pass Filter bypassed)
- Signal to Noise: >80dB
- THD+N: < .1 %
- Input Sensitivity: 1V (0 dBV)
- Standard Voltage Gain: 71X (37dB)
- Input Impedance (Balanced / Unbalanced): 10k Ohms/5k Ohms
- Class: D
- Input Connectors: Phoenix Type (3 Pin)
- Output Connectors: Phoenix Type (2 Pin)
- Remote On/Off Connector: Phoenix Type (2 Pin)
- Power Supply: High Speed Switching
- Cooling: Convection–Cooling (No Fans)
- Front Panel Controls: Power on/off
- Rear Panel Controls: Channel Gain, HP Filter (CH 1&2)
- Hi-Pass Filter: Selectable 32,68,500 Hz (CH 1&2)
- LED Indicators: Power, Signal Present & Clip
- Construction: Steel & Aluminum Chassis
- Operating Voltage: 120VAC
- Dimensions (height, width, depth): 1.75"H x 8.26"W x 10.6"D
- Max Weight: 2.8 lbs(1.28kg)
- Warranty: 3 years Parts & Labor
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Since 1982, Stewart's commitment to innovation in design and quality workmanship has provided its customers with a unique combination of performance and reliability. As a pioneer of high frequency switch mode power supply technology, Stewart has continued to lead the field as a manufacturer of lightweight power amplifiers that sound good. |
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