{"id":128588,"date":"2025-07-17T19:39:56","date_gmt":"2025-07-17T11:39:56","guid":{"rendered":"https:\/\/soundglory.com\/product\/audio-research-ls-3-pre-amplifier\/"},"modified":"2025-07-17T19:39:56","modified_gmt":"2025-07-17T11:39:56","slug":"audio-research-ls-3-pre-amplifier","status":"publish","type":"product","link":"https:\/\/soundglory.com\/en\/product\/audio-research-ls-3-pre-amplifier\/","title":{"rendered":"AUDIO RESEARCH LS-3 Pre Amplifier"},"content":{"rendered":"
\n

LS-3<\/h1>\n

LS-3 is an exciting new preamplifier that showcases the innovation of our team of dedicated solid-state engineers. While the LS-3 may look exactly the same as the LS-2, it represents a significant advancement in solid-state design and technology.<\/p>\n

The core of the LS-3 uses a differential JFET-based input stage to enhance signal integrity and reduce noise, followed by a bipolar transistor-based voltage amplifier to ensure robust performance. Class A output stage delivers a warm and dynamic sound, making it an ideal choice for discerning audiophiles.<\/p>\n

The LS-3’s signal path employs a meticulously designed dual-mono architecture, with each channel equipped with an independent power transformer. This configuration not only enhances channel separation but also contributes to a clearer, more immersive listening experience. Furthermore, the inclusion of a zero-gain cascaded voltage reference source and a linear power supply ensures optimal stability and performance.<\/p>\n

The launch of the LS-3 marks Audio Research’s continued push in the limits of high-fidelity audio, perfectly blending cutting-edge technology with our unwavering pursuit of sound quality to create a preamplifier that delivers exceptional sound. This extraordinary product is sure to elevate your audio experience to new heights.<\/p>\n

    \n
  • The screen is fully touch-sensitive, with display options including balance, input labels, and color.<\/li>\n
  • A brand new metal remote control.<\/li>\n
  • Balance XLR and RCA inputs.<\/li>\n
  • Optional DAC cards are available, including USB, coaxial, and optical options. Users can install them themselves.<\/li>\n
  • Optional MM\/MC phono preamp card. User-installable.<\/li>\n<\/ul>\n

    Stereo Line Stage<\/strong><\/p>\n

      \n
    • 4 SE inputs<\/li>\n
    • 2 XLR inputs<\/li>\n
    • Optional phono card: MM\/MC<\/li>\n
    • DAC Card Selection: Optical, Coaxial, USB<\/li>\n
    • Card installation completed in seconds<\/li>\n
    • Touchscreen User Interface<\/li>\n
    • remote<\/li>\n
    • Classic ARC design<\/li>\n
    • Handcrafted by Minnesota Audio Research<\/li>\n<\/ul>\n<\/div>\n
      <\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"

      LS-3 LS-3 is an exciting new preamplifier that showcases the innovation of our team of dedicated solid-state engineers. While the LS-3 may look exactly the…<\/p>\n","protected":false},"featured_media":128589,"template":"","meta":[],"pwb-brand":[9845],"product_cat":[10176,11059],"product_tag":[],"class_list":{"0":"post-128588","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"pwb-brand-audio-research","7":"product_cat-preamplifier","8":"product_cat-audio-research-preamplifier","9":"product_shipping_class-c-class","11":"first","12":"onbackorder","13":"shipping-taxable","14":"purchasable","15":"product-type-variable","16":"wvs-archive-product-wrapper"},"aioseo_notices":[],"etheme_brands":{"errors":{"invalid_taxonomy":["Invalid taxonomy."]},"error_data":[]},"brands":[{"id":9845,"name":"AUDIO RESEARCH","slug":"audio-research"}],"_links":{"self":[{"href":"https:\/\/soundglory.com\/en\/wp-json\/wp\/v2\/product\/128588","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/soundglory.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/soundglory.com\/en\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":0,"href":"https:\/\/soundglory.com\/en\/wp-json\/wp\/v2\/product\/128588\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/soundglory.com\/en\/wp-json\/wp\/v2\/media\/128589"}],"wp:attachment":[{"href":"https:\/\/soundglory.com\/en\/wp-json\/wp\/v2\/media?parent=128588"}],"wp:term":[{"taxonomy":"pwb-brand","embeddable":true,"href":"https:\/\/soundglory.com\/en\/wp-json\/wp\/v2\/pwb-brand?post=128588"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/soundglory.com\/en\/wp-json\/wp\/v2\/product_cat?post=128588"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/soundglory.com\/en\/wp-json\/wp\/v2\/product_tag?post=128588"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}