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![[Image for 1805]](/images/products/1805B-angle_scaled_320.jpg) 1805 Demonstration Amplifier | | Compact Demonstration Amplifier Model 1805
| | ![[] []](/images/buttons/buyswitching.jpg)
| Key Features - Up to 10.5 watts / channel output
- Volume control by RS-232 or RS-485
- Gain adjustment per channel
- Small footprint - easy placement in fixtures
Categories: Soundbars, Interactive Switching, Speaker Switching, Modules, Access Mobile |
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![[1805 Top view]](/images/products/1805B-top_scaled_100.jpg) 1805 Top view | ![[Side view]](/images/products/1805B-side-spkr_scaled_100.jpg) Side view | ![[Side bus view]](/images/products/1805B-side-ports_scaled_100.jpg) Side bus view |
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Compact Amplifier for Retail Speaker DemonstrationsThe Audio Authority® 1805 is a compact amplifier designed to provide amplification for speakers in retail demonstrations. Volume may be controlled via RS-232 or RS-485 using custom control devices such as a touch screen or capacitive touch panel. For best results use a commercial grade analog media player such as the Model 1803 or a BrightSign® media player. Features- Compact footprint for easy placement inside store fixture
- Easy connection to media players such as BrightSign media players, or Audio Authority 1803
- Control with RS-232 commands from any serial controller
- Control volume with custom touch panel, touchscreen, or other user interface
SpecificationsMeasurements with an 8 ohm load, both channels driven: - Frequency Response: 20Hz -20kHz (+/– 0.736dB)
- 12V power, THD 1%, 8.5 Watts
- 12V power, THD 10%, 10.5 Watts

Example System: The 1805 sends amplified audio to the Model 1819 speaker switch modules (right) that route high level audio to the speakers. The 1803 media player (top) provides low-level input signal for the 1805 amplifier (bottom). The TS09 touch panel (left) controls the demonstration system via RS-485.
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- Literature
- 1805 Focus Sheet
411.45 KiB Model 1805 2-Channel Amplifier, updated September 2018.
- Manuals
- 1805 Manual
493.65 KiB 2 Channel Analog Amplifier Manual, updated August 2019.
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