Henry Engineering U.S.D.A 2X4

Henry Engineering U.S.D.A 2X4

216,00 EUR

Modell/Artikelnr.: HE-US

Henry Engineering U.S.D.A 2X4

Utility summing & distribution amplifier


Henry Engineering USDA 2X4 is one of our most popular products because it has so many uses. It’s a stereo distribution amplifier that can send audio to multiple places, or combine stereo to mono, or do both! Keep one handy for emergencies.


Henry Engineering 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.




Technical 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

  • Physical Size: 5.7”w X 1.7”h X 6.0”d, 3lbs

  • Construction: Steel enclosure

  • Mounting: Table top, optional rack mount shelf, optional wall/cabinet mounting brackets

  • Approval: City of Los Angeles Elect. Test Lab

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