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Radio - DA-4x4a - Signal Distribution Amplifier

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Radio Systems, Inc. - DA-4x4a - Signal Distribution Amplifier
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Radio Systems' DA-4x4a may be the best DA ever made. Radio lowered the noise to a whisper at 102 dB below +4 dBm out with an internal toroidal transformer that dramatically reduces internal electrical interference fields. Distortion in the DA-4x4a is so low that it is hard to measure as a result of low noise op-amps and a careful design of the output amplifiers.

Features:

  • Versatile configurations- quad, stereo or mono
  • Front panel individual output level sets
  • Internal torroidal transformer
  • Super-low noise and distortion specifications
  • Individual rear panel removable I/O barrier strip connectors
  • 110/220 volt - CE certified
  • Front panel audio presence and overload LED indicators
  • Also available: DA-2x4a with stereo and mono configurations

Specifications:

Channels 4 inputs x 4 outputs (DA-4x4a)
2 inputs x 4 outputs (DA-2x4a)
Front Panel Indicators Power, audio level illuminates at -24 dBm
(one per input channel), peak level illuminates at
+ 24 dBm (one per input channel)
Input Impedance: 40K ohms, balanced and bridging
Input Gain: 0 to +36 dB (16 dB, 26 dB, 36 dB
jumper selectable)
Output Impedance:
60 ohms, balanced
Maximum Output Level: +25 dBm (into 600 ohm load)
Frequency Response: +0/-.1 dB 20 Hz to 20 kHz
Distortion: (thd + n): 0.002% 20 Hz to 20 kHz
(any output level into 600 ohm load)
Distortion: (SMPTE imd): 0.003%
(any output level into 600 ohm load)
Distortion: (dim)
0.002% (into 600 ohm load)
Noise:
102 dB below +4 dBm (full bandwidth into 600 ohm load)
Output Channel Isolation (crosstalk): -105 dB (full bandwidth)
Dynamic Range:
123 dB
Headroom: 21 dB above +4 dBm output
Common Mode Rejection:
-50 dB (full bandwidth)
Dimensions:
19 inch (EIA rack mount) wide x 1.75 inches (1ru) high x 7.75 inches deep (with connectors)
Shipping Weight:
8 pounds

For more information, click here [PDF]
Price: $445.00 
[11135] 
Tuesday 20 December, 2005
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1 x Radio DA-4x4a
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Radio
Radio Systems, Inc.

Radio Systems, Inc.

We carry the complete line of Radio products. Looking for something not listed here? Please contact us.
To visit the Radio web site, click here.
Radio DA-4x4a
Back Panel
Back Panel (click to enlarge)
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We accept Visa, Mastercard, Discover and American Express
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