Whole home audio Amplification
Scalable Distributed Audio. Compact by Design. High-Resolution Performance for Every Room.
Designed to seamlessly power Origin Acoustics architectural loudspeakers, the A850 & A1650 delivers refined, high-resolution sound across multiple zones with the flexibility and performance today’s custom installations demand. Engineered in a compact 1U chassis, the A850 & A1650 maximizes rack efficiency while providing powerful, scalable audio distribution throughout the home.
Powerful multi-zone audio
Engineered the Origin Way
Expandable multi-amplifier system
Easily scale shared multi-amplifier audio systems using integrated global bus input and output routing. Pair with all Origin Acoustics speakers for a seamless, optimal listening experience. Flexible power control options simplify integration with modern control systems.
The high fidelity whole-home audio performance solutions
- Compact 1U rack-mount design
- Bridgeable outputs for higher-power applications
- Flexible local and global source routing
- Stereo/mono selectable outputs
- Individual channel level controls
- 12V Trigger, Audio Sense, or Always-On power modes
| A850 | A1650 | |
| CONNECTIVITY & CONTROL | ||
| Analog audio input | 8 x RCA (Single Ended) | 16 x RCA (Single Ended) |
| Stereo analog global output | 2 x RCA (Single Ended) (global input looped to global output) | 2 x RCA (Single Ended) (global input looped to global output) |
| Speaker output | Phoenix block connectors, accommodates up to 12AWG wire | Phoenix block connectors, accommodates up to 12AWG wire |
| 12V trigger control | 1 x 3.5mm (in) • 1 x 3.5mm (out) | 1 x 3.5mm (in) • 1 x 3.5mm (out) |
| Power | Standard IEC | Standard IEC |
| Global input select | 4 x 2-position dip switches | 8 x 2-position dip switches |
| Bridge/Mono select | 4 x 2-position dip switches | 8 x 2-position dip switches |
| Power Mode select | 1 x 3-position switch – always on, 12V, auto sense | 1 x 3-position switch – always on, 12V, auto sense |
| POWER (1kHz, 20ms burst, 2 channels driven, 0.5% THD max) | ||
| Rated Power | 50W (8Ω) & 110W (4Ω) * | 50W (8Ω) & 110W (4Ω) * |
| Rated Power (8Ω Bridged, one zone driven) | 185W | 185W |
| Idle Power Consumption | 37W (126.3 BTU/h) | 56W (191.1 BTU/h) |
| Stand-by Power Consumption | 0.34W (1.16 BTU/h) | 0.39W (1.33 BTU/h) |
| Max Power Consumption | 155W (528.9 BTU/h) (at 1/8 power all channels driven (8Ω)) | 252W (859.9 BTU/h) (at 1/8 power all channels driven (8Ω) |
| Power supply | Universal Mains 100–240VAC 50-60Hz<0.1% | Universal Mains 100–240VAC 50-60Hz<0.1% |
| PERFORMANCE | ||
| Frequency Response | 20Hz-20kHz +/-0.5dB, at 1/8th power, all loads | 20Hz-20kHz +/-0.5dB, at 1/8th power, all loads |
| THD+N (max), at rated power, 20-20kHz | <0.1% | <0.1% |
| Signal to noise ratio (min), A-weight, 20- 20kHz, 8Ω mode | >100dB | >100dB |
| Crosstalk between any zones, at 1/8th power | -80dB | -80dB |
| Minimum output impedance | 2.7Ω | 2.7Ω |
| Analog input impedance | 20kΩ | 20kΩ |
| Signal sense, wake up level | 1.75 mVrms | 1.75 mVrms |
| Max undistorted analog input signal | 4.6 Vrms | 4.6 Vrms |
| Fan noise, maximum, 1/8 power | 50dBA SPL @ 1 meter | 50dBA SPL @ 1 meter |