Description
Overview
The Samson Servo 120a is a professional stereo power amplifier designed to deliver reference-class audio performance and unwavering reliability in a compact, single-rackspace chassis. Engineered for precision and clarity, this amplifier is an ideal solution for powering near-field studio monitors, permanent sound installations, and high-fidelity monitoring environments where audio transparency is paramount.
Key Details
- Power Output: Delivers 60 watts per channel into 4 ohms in stereo mode, or 120 watts into 8 ohms when configured in bridged mono.
- Silent Operation: Features a convection-cooled design, eliminating the need for internal fans to ensure an unbelievably quiet performance—critical for recording studio environments.
- Robust Power Supply: Built with a bi-polar design and a high-quality toroidal transformer power supply for maximum stability and efficiency.
- Intuitive Monitoring: The front panel is equipped with 10-segment, 3-color LED meters for precise signal level tracking and a dedicated protection LED.
- Flexible Connectivity: Supports both 1/4-inch balanced phone jacks and RCA inputs to accommodate a wide range of professional and consumer gear.
- Integrated Cueing: Includes a convenient front-panel headphone jack paired with a speaker on/off switch for seamless private cue monitoring.
Use Cases
- Recording Studios: Powering high-end near-field monitors without the noise interference of cooling fans.
- Live Sound & Stage: Driving onstage monitoring systems or small-scale public address (PA) systems.
- Home Theater: Providing clean, powerful amplification for high-fidelity home cinema audio setups.
- Commercial Installations: Serving as a reliable power source for background music or announcement systems in professional venues.
Installation
The Servo 120a is designed for standard 19-inch rackmount installation, occupying a single unit of rack space (1U). Setup involves connecting your signal source via the balanced 1/4″ or RCA inputs and connecting your speakers to the rear outputs. Users can easily adjust the independent left and right-channel input level controls on the front panel to match the gain requirements of their specific monitors or speakers.
Compatibility
- Rack Format: Standard 19-inch rackmount.
- Input Types: 1/4-inch balanced phone jacks, RCA.
- Speaker Loads: Optimized for 4 ohms (stereo) and 8 ohms (bridged mono).
Additional Details
- Manufacturer: Samson
- Model: Servo 120a
- Fulfillment: Physical
- Weight: 16.13 lbs
- Dimensions: 21.5″ (L) x 14.25″ (W) x 0.23″ (H)







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