Audio Research Ls 28. Audio Research LS28 Stereo Tube Preamplifier; Black; LS28; Remote They are one of the pioneers in hi-fi equipment design In similar price-range preamplifiers, one to two balanced inputs are typical, making the LS 28's four inputs quite remarkable.
Audio Research LS28 Triode Stereo Preamplifier Review from hometheaterhifi.com
Audio Research's DAC9 was able to play a maximum of "only" DXD and DSD128 files, but that wasn't giving up much -- and certainly not when I listened to a favorite track, "Folia Rodrigo Martinez," from La Folia 1490-1701, performed by Jordi Savall and his band of renaissance specialists (16/44.1 AIFF, Alia Vox) A lot has changed over the decades, but one thing has not: High Quality
Audio Research LS28 Triode Stereo Preamplifier Review
A lot has changed over the decades, but one thing has not: High Quality Audio Research LS28 SE (silver) NEW IN BOX (never opened) Audio Research LS-28 Vacuum Tube Stereo Line Stage Preamplifier Tube Complement: Four 6H30 dual triode Frequency Response: +0/-3dB, 0.4Hz to 200kHz at rated output (Balanced, 200 kOhms load) THD+Noise: Less than 0.007% at 2V RMS BAL output
Audio Research LS28SE Vacuum Tube Preamplifier West Coast Hifi. The relaxed purity and natural sense of balance are instantly noticeable and will inspire extended listening. Audio Research LS-28 Vacuum Tube Stereo Line Stage Preamplifier Tube Complement: Four 6H30 dual triode Frequency Response: +0/-3dB, 0.4Hz to 200kHz at rated output (Balanced, 200 kOhms load) THD+Noise: Less than 0.007% at 2V RMS BAL output
Audio Research LS28 Tube Preamplifier Photo 1947665 Canuck Audio Mart. A lot has changed over the decades, but one thing has not: High Quality In similar price-range preamplifiers, one to two balanced inputs are typical, making the LS 28's four inputs quite remarkable.