LS27 vs LS15
The LS15's output impedance is 600Ω against the LS27's 700Ω, its weight 5.3 kg (12 lbs) against 7.39 kg (16 lbs), and its height 133 mm against 133.35 mm. Both share thd (0.010%).
AI-generated product photo — not official manufacturer imagery.
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
Analog Output
Analog signal output specifications
- THD
- 0.010%
- Output Impedance
- 700Ω
Connectivity
Input and output connections
- Analog Inputs
- RCA
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 482.6 × 133.35 × 337.82 mm (W × H × D)
- Weight
- 7.39 kg (16 lbs)
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions