Stewart DA704 Compact Series Power Amp

STEWART DA704 Details ^top

The DA-70 Series represents our latest efforts in the Digital domain. Compact, half rack design to meet the high quality needs of the professional designer. Recommended for use in applications that require or can benefit from a small, lightweight, convection-cooled product. Available in 2 or 4 channel configurations. Up to 4 channels may be mounted in a 1U rack space.

DA-70-4

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 specificall y 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 8 channels) may be rack mounted in a 1U package.

The Stewart Audio Inc. DA70 Series Power Amplifiers are manufactured to ISO 9002 standards

Specifications

FTC Power Rating
<0.2% THD
20Hz-20kHz
both channels driven
35W x 4 @ 8 Ohms


70W x 4 @ 4 Ohms

Frequency Response
+0dB, -.3dB, 1W
20Hz - 20kHz

Full Power Bandwidth
20Hz - 20kHz
.5dB

Signal to Noise
>85dB

THD+N
<.2%

Input Sensitivity
1V (0dBV)

Standard Voltage Gain
17x (25dB)

Input Impedence
balanced/unbalanced
10k Ohms/5k Ohms

Class
Damped Ternary Modulation

Input Connectors
Phoenix Type

Output Connectors
Phoenix Type

Power Supply
High Speed Switching

Cooling
Convection Cooling
no fans

Controls
Power on/off, Channel Gain

LED Indicators
Power & Clip

Construction
Steel and Aluminum Chassis

Operating Voltage
120VAC

Dimensions
height x width x depth
1.75" x 8.26" x 10.6"

Max Weight
3.4lbs

Warranty
3 years Parts & Labor

STEWART DA704 Specs ^top

Power Specifications

DA70-2
70W x 2 @ 4 Ohms
35W x 2 @ 8 Ohms
DA70-4
70W x 4 @ 4 Ohms
35W x 4 @ 8 Ohms
DA770-2
80W x 2 @ 70.7 Volts

Product Specifications
8 Ohm Stereo Power 35 W x 2
4 Ohm Stereo Power 70 W x 2

Frequency Response (+0, -.5dB, 1W) 20 Hz-20kHz
Full Power Bandwidth (20 Hz-20kHz + - .5dB
Signal to Noise >85dB
THD+N < .1%
Input Sensitivity 1V (0 dBV)
Standard Voltage Gain 17X (25dB)
Input Impedance (Balanced / Unbalanced) 10k Ohms/5k Ohms
Class Damped Ternary Modulation
Input Connectors Phoenix Type
Output Connectors Phoenix Type
Power Supply High Speed Switching
Cooling Convection-Cooling (No Fans)
Controls Power on/off, Channel Gain
LED Indicators Power & Clip
Construction Steel & Aluminum Chassis
Operating Voltage Non-PFC units 120 VAC
Dimensions (h, w, d) 1.75"H x 8.26"W x 10.6" D
Weight 3.4 lbs (1.54kg)
Warranty 3 years Parts & Labor