The Samson SX1800 is a professional rack-mount power amplifier designed for live sound or installation audio applications, offering an output power of 400W per channel at 8 ohms. The amplifier can operate in stereo, parallel, or bridged-mono mode according to your needs and offers combination XLR/TRS input jacks and 5-way binding posts and Speakon output connectors. Front-panel volume knobs let you make level adjustments easily.
The SX1800 has a solid offering of internal protection, including circuitry to protect against overheating, short circuits, and DC. The unit is fan-cooled for increased reliability. The SX1800 has an open, natural sound quality with a wide frequency range and very low distortion. All of these features inside a 2U steel housing make the SX1800 a great option for your amplification needs.
Features
- 2U rack space stereo power amplifier
- Rugged all-steel chassis
- Three-mode stereo/parallel/bridged-mono operation with dedicated rear-panel switch
- Forced-air, vari-speed dual temperature-sensitive fans cooling for reliable, consistent performance
- Toroidal low-profile, high current transformer power supply
- Protection relay circuitry with dedicated LEDs includes thermal overload protection, On/Off muting, and clip protection
- Unique bipolar circuit design minimizes or nulls DC output at idling stage, which conserves energy and prevents speaker damage
- XLR/TRS combo input connectors, 5-way binding post and Speakon outputs
Specifications
- Power Rating
- 400W @ 8Ω Stereo (per channel)
- 600W @ 4Ω Stereo (per channel)
- 1200W @ 8Ω Bridged-Mono
- Damping Factor: 280 (400Hz)
- Input Sensitivity: 1.24V (4 dBu)
- Input Impedance
- 15 k ohms Unbalanced
- 30 k ohms Balanced
- Gain: 33dB
- Frequency Response
- 20Hz - 20kHz (0/-0.5dB @ 8 ohms, 1W)
- 5Hz - 60kHz (0/-3dB @ 8 ohms, 1W)
- Signal-to-Noise Ratio: 102dB (20Hz - 20kHz)
- Total Harmonic Distortion (THD): 0.01% or Less
- Input Connections: 2 x XLR/1/4" Combo Jacks
- Output Connectors
- 2 x 5-way Binding Posts
- 2 x Speakon Connectors
- Controls Front Panel
- 2 x Volume Control Knobs
- 1 x Power Switch
- Controls (Rear)
- 1 x 3-Way Bridge/Stereo/Parallel Switch
- 1 x 15 Amp Circuit Breaker Switch
- Indicators
- 1 x Blue Power On LED
- 1 x Amber Protection LED
- 2 x Green Signal LEDs
- 2 x Red Peak LEDs
- Cooling: Dual Vairable-Speed Fans
- Power Consumption
- 7.2A @ 1/8 Power, 4 ohms
- 12A @ 1/3 Power, 4 ohms
- 19.5A @ Rated Power, 4 ohms (Max)
- Power Requirements: 100/115/220/230/240 VAC, 50/60 Hz
- Dimensions: 19 x 3.5 x 16" (483 x 89 x 408mm)
- Weight: 37 lbs (16.5 kg)
- Specialties
- Protection Circuitry
- Removable Front Panel Fan Filters for Simplified Cleaning
- Stereo/Parallel/Bridged Operating Modes