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Authorized dealers for Audio Research LS-3

  • 110Hz — online and in-store — Kielce, Województwo świętokrzyskie, Poland (website)
  • 3mA Audio — online and in-store — Houston, Texas, United States (website)
  • Absolute Sounds — in-store — London, England, United Kingdom (website)
  • Alpha High End — online and in-store — Brasschaat, Vlaams Gewest, Belgium (website)
  • Ambiance Concert — in-store — Angers, Pays de la Loire, France (website)
  • American Sound — in-store — Richmond Hill, Ontario, Canada (website)
  • Area Hifi — online and in-store — L'Eixample, Comunidad Valenciana, Spain (website)
  • Aris Audio — in-store — Salt Lake City, Utah, United States (website)
  • Audible Images — in-store — Melbourne, Florida, United States (website)
  • Audio Advice — online and in-store — Raleigh, North Carolina, United States (website)

and 94 more verified dealers

Audio Research LS-3 #1
Audio Research LS-3 variant 1
Audio Research LS-3 variant 2
Audio Research LS-3 variant 3
Audio Research LS-3 variant 4
Audio Research LS-3 variant 5
Audio Research LS-3 variant 6

Audio Research LS-3

United States flag

Inspired by the original LS3 line stage that received numerous awards worldwide in 1992, the modern LS-3 is a solid-state design that utilizes a fully balanced differential JFET input stage, a bipolar transistor-based voltage amp, and Class-A output stages.


The signal path is fully dual-mono, with separate power transformers and zero gain-cascaded voltage reference, and linear power supplies that provide low noise and outstanding dynamics.


The chassis is elegant and modern, while providing a silhouette that is instantly recognizable as an Audio Research. An all-new touch screen display allows for input naming, adjustment of the display intensity and color selection, plus many other functions. The display carries forward the font style of our Reference GhostMeters® for a cohesive look.


Sources are rendered with a rich tonal balance, speed, dynamics, and a sense of energy that propels the music forward and involves the listener. It also plays big, reproducing the recording space with air, space, and great focus.


The LS-2 and LS-3 share the same, beautiful all aluminum chassis that has been carefully designed to offer the stability and rigidity necessary to isolate this circuit for maximum performance.


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Specifications

Frequency Response
+/-0dB 10Hz to 40kHz at rated output (Balanced, 100k ohms load)
THD+Noise
Less than .007% at 2V RMS BAL output
Noise
-75dBV at Max Volume (99)
Crosstalk
-82dB
Gain
20 dB Balanced Output20 dB SE Output
Input Impedance
25K ohms BAL and SE
Output Impedance
10 ohms BAL, 25 ohms SE
Output Polarity
Balanced: Non-invertingSE: Inverting
Power Requirements
120VAC 60Hz 35W Maximum
Standby
4.2W
Dimensions
Width 19" (48.26 cm)Height 7” (17.78 cm)Depth 17.5” (44.45 cm)Weight: 33lbs (15kg) Net, 48lbs (21.8kg) Shipping
Balanced Output
Balanced Line Output
Dual Mono Design

Manufacturer's Description — Audio Research

Inspired by the original LS3 line stage that received numerous awards worldwide in 1992, the modern LS-3 is a solid-state design that utilizes a fully balanced differential JFET input stage, a bipolar transistor-based voltage amp, and Class-A output stages.


The signal path is fully dual-mono, with separate power transformers and zero gain-cascaded voltage reference, and linear power supplies that provide low noise and outstanding dynamics.


The chassis is elegant and modern, while providing a silhouette that is instantly recognizable as an Audio Research. An all-new touch screen display allows for input naming, adjustment of the display intensity and color selection, plus many other functions. The display carries forward the font style of our Reference GhostMeters® for a cohesive look.


Sources are rendered with a rich tonal balance, speed, dynamics, and a sense of energy that propels the music forward and involves the listener. It also plays big, reproducing the recording space with air, space, and great focus.


The LS-2 and LS-3 share the same, beautiful all aluminum chassis that has been carefully designed to offer the stability and rigidity necessary to isolate this circuit for maximum performance.


Audio Research logo

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Authorized dealers for Audio Research LS-3

  • 110Hz — online and in-store — Kielce, Województwo świętokrzyskie, Poland (website)
  • 3mA Audio — online and in-store — Houston, Texas, United States (website)
  • Absolute Sounds — in-store — London, England, United Kingdom (website)
  • Alpha High End — online and in-store — Brasschaat, Vlaams Gewest, Belgium (website)
  • Ambiance Concert — in-store — Angers, Pays de la Loire, France (website)
  • American Sound — in-store — Richmond Hill, Ontario, Canada (website)
  • Area Hifi — online and in-store — L'Eixample, Comunidad Valenciana, Spain (website)
  • Aris Audio — in-store — Salt Lake City, Utah, United States (website)
  • Audible Images — in-store — Melbourne, Florida, United States (website)
  • Audio Advice — online and in-store — Raleigh, North Carolina, United States (website)

and 94 more verified dealers

110Hz logo
3mA Audio logo
Absolute Sounds logo
Alpha High End logo
Ambiance Concert logo
American Sound logo
Area Hifi logo
Aris Audio logo
Audible Images logo
Audio Advice logo