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Samson Servo 120a Power Amplifier Demo

2-channel Power Amplifier, 2 x 60W at 4 Ohms, with Headphone Jack, Servo controlled, 1U Rackmount
13 Write review Item ID: Servo120ad1

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$224.96
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Product is in excellent condition and perfect working order. All accessories included. Ships in upgraded Sweetwater packaging.

This item was thoroughly inspected by our factory-authorized service team and is backed by Sweetwater's exclusive 2-year warranty. The images shown do not necessarily represent the condition of this particular item.

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Samson Servo 120a Power Amplifier
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Space-Saving, Ultra-Affordable Amp

Samson's latest amplifier design! The Servo 120A incorporates Discreet Power Topology and improved monitoring features. The Servo 120A is perfect for use with near-field monitors or as a headphone amp. The Servo 120A provides reliable reference-class audio in a compact package.

Related Videos: Servo 120a Power Amplifier

Samson Servo 120A Features:
  • 1U Rackmount Servo controlled power amplifier
  • 60 Watts per side @ 4 ohms
  • 120 watts into 8 ohms (bridged mono)
  • 1/4. Balanced Phone Jack and RCA inputs
  • Bi-polar design and toroidal transformer power supply
  • Individual left and right Level controls
  • 5-segment, 3-color LED meters
  • Convection-cooled design
  • Headphone Jack

What is Demo Gear?

At Sweetwater, we're so picky that what we call a "demo" is actually better than what most music retailers sell as "new" gear! Our gear hasn't endured hundreds of people a week plunking away at all the keyboards, fumbling through Stairway to Heaven on every guitar or playing with every fader and knob on a mixer or control surface.

What demo means to us is that we've had it out of the box, or maybe it was in a customer's hands for a few days and isn't "factory fresh" as a result. Every demo item we sell has Sweetwater's 2-year Total Confidence Coverage™ warranty, and has been tested and verified up to "new" specs by our factory-authorized technicians to make sure it's in perfect working order before we ship it to you.

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  • Products inspected and tested by our factory-authorized techs, guaranteed to function like new (or better)!
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  • Equipment that will MEET or EXCEED your expectations!

Click HERE to browse our current inventory of Demo equipment. Purchasing demo gear from Sweetwater is a smart and safe way to save!

Additional Media

Power Amp Buying Guide
Studio Monitor Buying Guide

Warranty Info

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Tech Specs

  • Number of Channels: 2
  • Watts/Side @ 8 ohms: 55W
  • Watts/Side @ 4 ohms: 60W
  • Watts Bridged: 120W @ 8 ohms
  • Inputs: 2 x 1/4", 2 x RCA
  • Outputs: 2 x Dual Binding Posts,, 1 x 1/4" (Headphones)
  • Cooling System: Convection Cooling
  • Rack Spaces: 1U
  • Height: 1.75"
  • Depth: 11.75"
  • Width: 19"
  • Weight: 15.4 lbs.
  • Manufacturer Part Number: SA120A

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Customer Reviews

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So Far, So Good update

As my excellent sales rep Billy Germano gently pointed out for these tired old eyes:
Outputs: 2 x Dual Binding Posts
Means screw terminals for stripped speaker wire.

Still sounding much cleaner and clearer than my old power amp that finally failed.
by Chet Gardiner from Captain Cook, HI on
Music background: 62 years performer, 57 years in the studio, bass+guitar+etc - yada-yada-yada. WIth bad eyes :-)

SamsonServo Stereo Amp

I use this amp to power a stereo guitar rig with some pedals and a preamp up front. Amp does great. Plenty of clean power with no particular sound of its own which is exactly as it should be. Takes the sound I provide and simply makes it louder. Simple configuration makes it easy to use. One RU is concise, neat and clean. Easy rear panel hook-up, sleek front panel controls. Headphone out is a plus and a speaker output shut off is really fine for muting and avoiding turn-on thump. Price is more than fair for power and quality of this level.
by Len Lauro from Oakland, CA on
Music background: Former professional

Great Near Field Amp

I had a small near field amp on my desktop that was working most of the time.
I purchased this as a replacement and am so glad I did.
The Samson Servo 120a is rack mountable and fit right in with my main monitor amp.
It is quiet all the time, no fan noise, and sounds great all the time.
Great power with a clean sound. I am very glad I purchased this amp.
by Chris W from Raleigh, NC on
Music background: Tubist, Bass Player, Recording and Live Sound Engineer

Very solid amplifier

I needed something rack mountable, and not a ton of power to run some patio speakers. I was impressed by the build quality of this amp. VERY solid and sturdy build. If there was one thing I would change it would be a solid metal front panel. The amp has rack ears in the back for a super secure install in a rack. This amp looks like it's built to run 24/7/365. If you don't need a lot of power and you need something small (1U), this amp is a very good choice. Specs are very good also.
by Joe from CT on
Music background: sound engineer

Samson Servo 120a Power Amp

Amp works flawlessly. Great sound along with the Rocktron Prophesy II processor. Also, Sweetwater is the best!!
by LM from San Antonio, TX on
See also: Power Amps, Samson, Samson Studio Monitor Amplifiers, Samson Power Amplifiers
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