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AmplifiersPre-AmplifiersTube AmplifiersDiscontinued
Estimated price (community-sourced)
$2,864
Around — community and catalog average, updates slowly
About the LS27
The Audio Research LS27 is a high-end hybrid preamplifier combining JFET and dual 6H30 tube technology in a class-A, zero-feedback design. It features a solid-state regulated power supply, microprocessor-controlled inputs, and three selectable gain settings per input (18/12/6dB single-ended, 24/18/12dB balanced). The unit includes a phono input, balance control, phase inversion, and mono/stereo switching capabilities.
Specifications
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