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:
Stereo Mode
8 ohms (each channel) *:
FTC 20 Hz - 20 kHz 0.05% THD: 550W
EIA 1 kHz 0.1% THD: 600 W
Stereo Mode
4 ohms (each channel) *:
FTC 20 Hz - 20 kHz 0.05% THD: 800 W
EIA 1 kHz 0.1% THD: 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-Step Class H
Distortion (SMPTE-IM): Less than 0.02%
Typical Distortion
1/8 rated power, 20 Hz-20 kHz: Less than 0.02%
Full rated power, 20 Hz-20 kHz: 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 Input Attenuator: 0 to 8 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: 3.5" (8.9 cm) 2 rack spaces
Width: 19" (48.3 cm)
Depth, Rack mounting surface to rear panel: 8.95" (22.7 cm)
Overall Depth: 11" (27.9 cm)
Weight: 13 lbs. (5.9 kg) net
18 lbs. (8.2 kg) shipping
Agency Approvals: CCC, CB, CE, FCC, KETI, cUL, UL
* CE versions may have up to 12% (0.5 dBw) less power due to special construction to meet EN-61000 AC harmonic limits
CURRENT CONSUMPTION
1/8 Power (pink noise):
8 ohms: 5.7A/120V
4 ohms: 9.4A / 120V
1/3 Power (pink noise):
8 ohms: 10.4A/120V
4 ohms: 16.5A / 120V
Full Power:
8 ohms: 20A/120V
4 ohms: 32A / 120V
Notes: Long term, breaker-limited to 15A/120V
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