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Videoquip Research Limited: DA-24 Duplicating Audio/Video Distribution Amplifier
Duplication Distribution Amplifier
The DA-24 is a 1 input, 24 output video and stereo audio distribution amplifier, intended for use in duplication facilities. The unit occupies 2 rack units (2RU) of space. Video and audio gains are adjustable, and the controls are accessible from the front of the unit. The video input is looping. Video connectors are available as either RCA or BNC. Audio inputs are the balanced XLR type, and audio outputs are the unbalanced RCA type, in order to interconnect easily with most types of duplication equipment. The DA-24 is designed to deliver broadcast quality audio and video reproduction in a compact enclosure.
DA-24 Specifications 115 VAC, 60 Hz or 230 VAC, 50 Hz; 20 W
Power Requirements
Video Inputs Input Impedance Input Signal Level Input Return Loss Input Connectors DC Offset
75 ohms bridging 1 V p-p nominal, 2 V p-p maximum Greater than 42 dB to 5 MHz RCA x 2 (looping), optional BNC +/-5 V maximum
Video Outputs Number of Outputs Load Impedance Output Level Gain Control Range Output Return Loss Isolation DC Offset
24 total 75 ohms 1 V p-p nominal, 2 V p-p maximum +1/-2 dB Greater than 40 dB to 5 MHz Greater than 40 dB to 5 MHz Less than 60 mV
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Videoquip Research Limited: DA-24 Duplicating Audio/Video Distribution Amplifier
Frequency Response Hum on Outputs Noise (RMS) Differential Gain Differential Phase Output Connectors Horizontal Tilt Vertical Tilt
+0/-0.05 dB to 5 MHz, +0/-0.3 dB to 10 MHz Less than 4 mV p-p Greater than 70 dB below 1 V p-p, 10 MHz bandwidth Less than 0.2%, 10-90% APL, 10 loads Less than 0.2 deg., 10-90% APL, 10 loads RCA x 24, optional BNC Less than 0.1% Less than 0.3%, composite field square wave
Audio Inputs Input Impedance Input Signal Level Input Connectors Common Mode Rejection
40 kohms balanced, 20 kohms unbalanced +4 dBm nominal, +26 dBm maximum XLR female, x2 -75 dB @ 60 Hz
Audio Outputs Output Impedance Output Signal Level Gain Control Range Output Connectors Frequency Response Total Harmonic Distortion Hum and Noise
68 ohms unbalanced -10 dBV nominal, +18 dBV maximum -22 to +3 dBV @ +4 dBm input RCA x 24 (each channel, 2 channels total) 20 Hz to 30 kHz +/-0.1 dB .015%, 20 Hz to 30 kHz -88 dBm, 20 Hz to 30 kHz
Physical Dimensions (Inches) DA-24
19 W x 3.50 H x 5.0 D
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Videoquip Research Limited: DA-24 Duplicating Audio/Video Distribution Amplifier If you have questions or comments, you can contact us toll free from Canada and US at 1-888-293-1071 or e-mail us at
[email protected]. We appreciate your business. Copyright © 1996-2001 Videoquip Research Limited
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