VS55 vs VS110
The VS110's power @ 8ω is 100W against the VS55's 50W, its weight 27.7 kg (61 lbs) against 15.42 kg (34 lbs), and its height 201 mm against 203.2 mm. Both share class (Tube).
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Estimated price (community-sourced)
Around — community and catalog average, updates slowly
The Audio Research VS55 is a stereo vacuum-tube power amplifier featuring a rated output of 50 watts per channel continuous from 20Hz to 20kHz, with clipping at 52 watts. It uses four Russian-made 6550EH output tubes and three 6N1P driver and input tubes. The amplifier has a power bandwidth with -3dB points at 12Hz and 50kHz, and a frequency response extending from 1Hz to 60kHz. It employs an overall negative feedback of 12.5dB and achieves hum and noise levels below 0.2mV RMS (-100dB below rated output). The VS55 includes high-quality five-way gold-plated binding posts for 4 and 8 ohm speakers, single-ended RCA inputs, and a 12V trigger for remote power on/off. The chassis features an open design with a milled anodized top plate, finished in matte black with silver lettering. It is designed to pair well with Audio Research preamplifiers such as the LS16 and is praised for its rich, musical sound and excellent soundstaging.
Amplification power output and characteristics
Input and output connections
Size, weight, and appearance
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions
The closest alternatives on specs, description and the systems they turn up in, with the specs they share set side by side.
The VS110's power @ 8ω is 100W against the VS55's 50W, its weight 27.7 kg (61 lbs) against 15.42 kg (34 lbs), and its height 201 mm against 203.2 mm. Both share class (Tube).
The VSi75's power @ 8ω is 75W against the VS55's 50W, its weight 16.5 kg (36 lbs) against 15.42 kg (34 lbs), and its depth 413 mm against 406.4 mm. Both share class (Tube).
The DiaLogue Premium Power's power @ 8ω is 42W against the VS55's 50W and its weight 28.9 kg (64 lbs) against 15.42 kg (34 lbs). Both share class (Tube) and depth (406.4 mm).
The ProLogue Seven's power @ 8ω is 70W against the VS55's 50W, its weight 17 kg (37 lbs) against 15.42 kg (34 lbs), and its height 190 mm against 203.2 mm. Both share class (Tube).
VSi55
Balanced Audio Technology VK-50SE
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