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The compact PLX1804 brings the same performance and technology as the rest of the PLX2 Series, plus even greater value, to applications that don't require bridged or 2 ohm operation. Designed to power one or two speakers from each amplifier channel (4 ohm minimum loading), this model offer a simplified feature set while retaining genuine, uncompromised PLX performance and technology. Weighing just 13 pounds (5.9 kg), the "plug-and-play" PLX1804 is perfect for ultra-portable rigs, as well as reference-quality playback. | SPECIFICATIONS | PLX1804 |
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Stereo Mode
8 ohms (each channel) *
  FTC 20 Hz - 20 kHz 0.05% THD
  EIA 1 kHz 0.1% THD |
550 W
600 W | Stereo Mode
4 ohms (each channel) *
  FTC 20 Hz - 20 kHz 0.05% THD
  EIA 1 kHz 0.1% THD |
800 W
900 W | | Signal to Noise (20 Hz - 20 kHz) | -106 dB | | Input Sensitivity @ 8 ohms | 1.20 Vrms | | Gain @ 8 ohms | 35 dB | | Output Circuitry | 2-Tier Class H | | Distortion (SMPTE-IM) | Less than 0.02% | Typical Distortion
  1/8 rated power, 20 Hz-20 kHz
  Full rated power, 20 Hz-20 kHz |
Less than 0.02%
Less than 0.02% | | Frequency Response | 20 Hz-20 kHz, -0.5 dB | | Damping Factor | Greater than 200 | | Input Impedance | 20k ohms balanced
10k ohms unbalanced | | Input Clipping | 5.5 Vrms (+15 dBu) | | Cooling | Variable-speed fan, rear-to-front air flow | | Input Connectors, each channel | 3-pin XLR and 1/4" TRS balanced | | Output Connectors, each channel | Neutrik® NL4 Speakon®
(Both channels available on Ch 1 output) | | Rear Panel Switches | Circuit Breaker | | Front Panel Controls | Detented Gain Attenuator: 0 to ∞ dB
Power On/Off | | Front Panel Indicators | Clip: Red LED
-10: Green LED
Signal (-35 dB): Green LED
Power: Blue LED | | PROTECTION | | Amplifier Protection | Full short circuit, open circuit, thermal, infrasonic, ultrasonic, and RF protection
Stable into reactive or mismatched loads | | Load Protection | On/off muting, DC-fault power supply shutdown | | Infrasonic | -3 dB, 6 Hz | | DC fault | Power supply shutdown | | Ultrasonic | -3 dB, 80 kHz | | Short Circuit | Muting | | Thermal | Limiting at 85° C, Muting at 90° C | | Over Current | Active clip limiting
AC circuit breaker | | High Line | Standard +15%, survive +25% | | Low Line | -40% | | PHYSICAL | Dimensions
  Height
  Width
  Depth, Rack mounting surface to rear panel
  Overall Depth |
3.5" (8.9 cm) 2 rack spaces
19" (48.3 cm)
8.95" (22.7 cm)
11" (27.9 cm)
| | Weight | 13 lbs. (5.9 kg) net
18 lbs. (8.2 kg) shipping |
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Sound Hire Stock 
