Samson SA120A 120 Watt (2 x 60 @ 4 OHMS) Power Amplifier 1U

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Regular price $229.99 USD
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Samson SA120A 120 Watt (2 x 60 @ 4 OHMS) Power Amplifier 1U

The Samson Servo 120a Power Amplifier is a stereo power amplifier that can be used for all types of recording applications, live performances or permanent installs. The amplifier provides "reference-class" audio performance and reliability in a compact, single rack-space package.


  • A stereo power amplifier for recording, live music, and installation applications
  • Operates in both stereo or bridged mono
  • 50 Watts per channel into 8 Ohms
  • Stable bipolar circuit design continuously keeps DC output during idling at or near 0 volts, preventing unnecessary power applications to minimize heat overload
  • Toroidal transformer power supply for high current and low profile
  • High-current output power transistors
  • Protection relay circuitry (linked to the DC offset circuitry) that prevents "thumps" when powering on or off
  • Smart Servo circuitry protection against overheating and overcurrent
  • Functions in stereo or bridged mono modes
  • Front-panel headphone jack with speaker disable switch
  • Five-segment LED meters for each channel continuously display power output levels and allow the user to correct for overloading (clipping) conditions
  • Convection cooled (no fan)
  • Compact, 1 RU space unit


  • Number of Channels: 2
  • Power Rating:
    • 4 Ohms: 60 W per Channel
    • 8 Ohms:
      • 50 W per Channel
      • 120 W Bridged
  • Performance
    • Frequency Response: 10 Hz to 20 kHz
    • Damping Factor: > 150
    • Input Sensitivity: 4 dBu
    • Input Impedance:
      • >10 Kilohms (Balanced)
      • >10 Kilohms (Unbalanced)
    • SNR: 105 dB
    • THD: < 0.01% (1 kHz, at Rated Power)
  • Connectivity:
    • I/O:
      • 2 x 1/4" TRS Input
      • 2 x RCA Input
      • 4 x Push Terminal Output
      • 1 x 1/4" Headphone Output
    • Power:
      • Power Consumption:
        • 120 VAC: 240 W
  • Physical:
    • Display & Indicators:
      • 1 x Multi-Segment LED Meter
      • 1 x LED (Protect)
      • 1 x LED (Power)
    • Cooling: Convection
    • Dimensions: 19.0 x 11.5 x 1.8" / 483.0 x 292.0 x 44.0 mm
    • Weight: 15.6 lb / 7.1 kg
  • Packaging Info:
    • Package Weight: 16.2 lb
    • Box Dimensions (LxWxH): 21.5 x 14 x 4"


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