2-channel Power Amplifier, 130W RMS/ch at 4 ohms, with Silent, thermal-dependent cooling system, wide frequency response, binding-post outputs
ART SLA-1 image 1
ART SLA-1 image 1
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Ultra-quiet Studio Power Amp

The ART SLA-1 Studio Linear Amplifier is a robust yet compact power amplifier for studio and even live applications, designed and engineered to provide clean, quiet power and excellent sound with ultra-low noise and distortion. With a super-wide frequency response (10Hz-40kHz), thermal-dependent cooling system, extremely low-noise electronics, and low-profile single rackspace design, it's ideal for both project and pro studios. The SLA-1 is rated at 100 watts rms/channel @ 8 ohms (130 watts rms/channel @ 4 ohms and 260 watts/bridged mono @ 8 ohms), hum and noise >100dB, input impedance of 22k ohm unbalanced (44k ohm balanced).

ART SLA-1 Studio Linear Amplifier Features:
  • 10Hz-40kHz frequency response
  • 100W per channel @ 8 ohms
  • XLR and 1/4" inputs
  • Ground-lift switch
  • Silent, thermal-dependent cooling system with SmartFan
  • Multi-way binding-post outputs
  • Low-profile single rackspace design
  • Extremely low noise, discrete linear design
  • All-steel chassis

Additional Media

Power Amp Buying Guide
SLA-1 Spec Sheet
SLA-1 User Manual
Studio Monitor Buying Guide

Tech Specs

Number of Channels 2
Watts/Side @ 8 ohms 100W RMS
Watts/Side @ 4 ohms 130W RMS
Watts Bridged 180W @ 8 ohms
Cooling System SmartFan Silent Cooling System
Inputs 2 x XLR, 2 x 1/4", Euroblock
Outputs 2 x Binding Posts
Rack Spaces 1U
Height 1.75"
Depth 9.5"
Width 19"
Weight 13.2 lbs.
Manufacturer Part Number SLA-1

Customer Reviews

Based on 10 reviews
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Another happy reviewer

What a great little amp. It is build like a tank. Heavy and substantial feeling for sure. I use this to power my Auratone 5C speakers at the recommendation of my sales engineer. Very happy with the pairing for sure. There are a couple of really nice touches too: 1) The level controls are push-push to recess them into the chassis. If you want to set the levels and "lock them in" then you can do so. 2) In order to lock in the levels, not only do the level controls recess into the chassis, but another front panel face comes with the amp that has no access holes to the level controls. So you can set your levels, press the controls to recess them into the chassis and then install the included alternate front panel and nobody will ever be able to access the level controls. This is perfect for any application where others will be around the equipment, like club or restaurant workers or patrons (or kids too I suppose). I can think of many uses for this amp as others have mentioned here. A really great, solid, well-spec'd product for a very reasonable price.
Music background: Semi-Pro musician, songwriter, worship leader


I love this amp. I've had it for years. I used to run a small 1 watt Hughes & Kettner Cream Machine through it, then a Hughes & Kettner Blues Master, then moved on to a Pod HD500. Been working with the Pod running through this then 2 - 2x12 cabinets. Best sound I've ever has. This is light weight, 1 rack space, very quiet, and VERY transparent as well. Love this amp!!

Ideal Amplifier

Good Clean Power from The ART SLA-1. Use it to power a pair of passive monitors and you'll be pleased with its performance. The IU rack space sizing makes it ideal to set up in your rack and use is very convenient.
Music background: Recording Engineer, Mobile DJ.

Solid Amp

Great amp per price point. Solid construction. I bought this amp to power a pair of NS-10's and they do a great job. With the amp turned all the way up there is minimal amp noise in the speakers. When the cooling fan kicks on it can be too noisy for a control room if it is close to the listening position.
Music background: Pro Musician, Recording Engineer

Happy so far

I've only been using the SLA-1 for a few weeks, but so far I'm very impressed. Good sound, plenty of power, simple design--works as advertised. I only give it 4 stars because I've had it for so short a time. If it's still kicking in two years, I'll give it five. And on that topic, I have every reason to believe that this amp was built to last, if nothing else because of it's sheer weight. I couldn't believe how heavy it was (in a good way) when I lifted it out of the box. Compared to the endless march of plastic-enclosed and planned-obsolescent products, the SLA-1 is a tank.
Music background: Sound Engineer, DJ, Producer

Sweetwater Advice

Randy Akins

The SLA-1 is incredibly versatile. In the studio, it powers my studio monitors, quietly and efficiently. Live, it rocks the house, powering my guitar rig. ART really has a winner here!
See also: Power Amps, ART, ART Power Amplifiers, ART Monitor Amplifiers