| Model | SMZ16-PRE |
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| Part Number | 1550-853838 |
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| Type | 16x16 matrix preamplifier with streamer |
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| Matrix | 16x16, expandable to 16x96 |
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| Audio Inputs | Up to 16 stereo (up to 16 analog, 6 optical, 4 coax), 1 HDMI (ARC), 1 USB |
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| Streaming | Built-in hi-res streamer; AirPlay, Google Cast |
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| Network | Ethernet or Wi-Fi 802.11ac |
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| DSP | 7-band graphic EQ, Russound speaker presets |
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| Third-Party Control | RIO protocol; drivers for Control4, RTI, URC |
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| Bluetooth | Optional BTC-2X remote input (up to 500 ft over CAT5) |
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| Amplification | None (line-level outputs) |
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| Line Outputs | 16 zone line outputs, fixed or variable; stereo or mono |
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| Power | 100-120 V / 220-240 V, 50/60 Hz |
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| Mounting | Rackmount, ears included |
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| In the Box | SMZ16-PRE, 6 ft power cord, 2 Wi-Fi/Bluetooth antennas, rack ears with screws, manual |
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| Product Dimensions | 19 x 17 x 5.25 in (48.3 x 43.2 x 13.3 cm) |
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| Warranty | 2-year limited |
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| UPC | 612934853838 |
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| Model | D890 |
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| Part Number | 2800-853906 |
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| Amplifier Type | Class D digital, fan cooled |
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| Channels | 8 channels / 4 independent zones, bridgeable |
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| Output Power | 90W/ch @ 4 ohms (one zone driven, 1kHz); 45W/ch @ 8 ohms; 180W bridged @ 8 ohms |
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| Frequency Response | 20Hz - 20kHz, +/-3dB @ 1W, 4 or 8 ohms |
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| Signal-to-Noise | >90dB (A-weighted) |
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| Line Input Impedance | >22k ohms |
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| Input Sensitivity | 620mV for 90W @ 4 ohms; 690mV for 45W @ 8 ohms |
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| Line Input Source | Selectable per zone: Bus A, Bus B or Zone |
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| Output Filter | Full range (20Hz-20kHz), low-pass (20Hz-160Hz) or high-pass (80Hz-20kHz), per zone |
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| Load Stability | 2.66 ohms; up to 3 pairs of 8-ohm speakers per zone |
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| Gain Adjustment | Per zone |
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| Power Modes | Always on, signal sensing, 12V trigger (global input) |
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| Speaker Connections | Detachable screw-down terminals, up to 12 AWG |
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| Power | 115-120VAC, 60Hz (North American model), 600W max |
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| Standby Power | Less than 0.5W |
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| Rack Height | 1U |
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| Fuse | 6.3A, 250V |
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| Product Dimensions | 17.125" W x 1.75" H x 9.75" D (43.5 x 4.4 x 24.8 cm) |
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| Shipping Dimensions | 20.9" W x 6.1" H x 14.9" D (53 x 15.3 x 37.8 cm) |
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| Shipping Weight | 12.8 lb (5.8 kg) |
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| Warranty | 2 years |
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| UPC | 612934853906 |
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