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USDA 2X4
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Description
U.S.D.A. (Utility Summing & Distribution Amplifier) is a unique 2×4 mini-DA that can be used to combine or split audio signals for distribution. It can be used as a 1×4 or 2×4 DA in stereo or mono.
There are 2 inputs (1 stereo pair) and 4 outputs (2 stereo pairs). Front panel “Stereo/Mono” switches select either a stereo or mono output from each output pair. USDA can produce both stereo and mono outputs simultaneously from a stereo source. Inputs and outputs can be operated either balanced or unbalanced. The audio level of each output can be adjusted over a 26db range. All circuitry is transformerless and direct-coupled for sonic accuracy.
Connections are via plug-in euroblock connectors. USDA 2X4 is 1/3 rack width and can be mounted in an optional rack shelf, or wall mounted with optional wall/cabinet mounting brackets. USDA 2X4 is powered by an internal AC power supply.
Specifications:
| Input Level | -14 to +8 dBm nominal |
| Input Impedance | 20K ohms bal, 10K ohms unbal |
| Output Level | 0 to +8 dBm nominal, +26 dBm max |
| Output Load | 600 ohms or higher per output, bal |
| Controls | Output Level for each channel |
| Gain | -12 to +14 dB |
| Frequency Response | DC to 20kHz, ±0.25 dB |
| Distortion | <.01% IM/THD |
| Noise | >80 dB below nominal output, typ |
| Power Requirements | 115/230VAC, 50/60Hz, 3 W |
| Construction | Steel enclosure |
| Physical | 1.45cm (W) x 4.3cm (H) x 15.2cm (D); 1361 grams |
| Mounting | Table top, optional rack mount shelf, optional wall/cabinet mounting brackets |
