STATUS - SOLD
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Description :
The Audio Research VSi55 integrated tube amplifier is based on the VS55 amplifier and offers similar sonics with a built in remote controlled preamplifier and the same 50 watts per channel power rating. The sound had a foundation, a mass that suggested a much larger amp with far greater power reserves and wider dynamic capabilities than one would associate with a 50W tube amp. Musically, the VSi55 is a joy to listen to, with great tonality, resolution and dynamics. The VSi55 is reasonably priced because other products sound colored and lifeless in comparison. There is no bandwidth limiting, and the robust power supply allows music to flow with remarkable dynamic life. The VSi55 is pure, harmonically right, and lets music bloom. When the VSi55 is paired well with a great CD player and loudspeakers, the listener can have a compact system which defies expectations and gets to the heart of the music.
Specifications :
SystemPower Output.......................50 W per channel continuous from 20Hz to 20kHz,
.......................1kHz total harmonic distortion typically 1% at 50watts,
.......................below .05% at 1 watt
Power Bandwidth.............................(-3dB points) 12Hz to 90kHz
Frequency Response.......................(-3dB points at 1 watt) 1.0Hz to 100kHz
Input Sensitivity................................0.5V RMS Single-ended for rated output
...............................(32dB gain into 8 ohms.)
Input Impedance..............................50K ohms Single-ended
Inputs (5)........................................CD, Tuner, Video, SE1, SE2 (Single Ended RCA connectors)
Maximum Input................................3.5V RMS (any input)
................................Optional 6dB pad for CD input
Output Polarity................................Non-Inverting (any input)
Push Buttons..................................Volume up, Volume down (70 steps, 20 LED indicators),
..................................Input, Mono, Mute, Power. All functions on IR remote control.
Output Taps....................................8 ohms, 4 ohms
Output Regulation............................Approximately 1.5dB 8 ohms load to open circuit
............................(Damping factor approximately 5)
Mono Subwoofer Output...................1V RMS at rated power
Overall Negative Feedback...............10dB
Slew Rate.......................................10 volts/microsecond
Rise Time........................................2 microseconds
Hum & Noise...................................Less than 0.14mV RMS - 103dB below rated output
...................................(IHF weighted, input shorted)
Power Supplies................................Electronically regulated Low and High voltage supplies
................................for input stages. Automatic 30 sec. warm-up / brown-out mute
Power Supply Energy Storage...........Approximately 166 joules
Power Requirements........................100 - 125 VAC 60Hz (200-250VAC 50Hz)
........................320 watts at rated output, 500 watts maximum,
........................205 watts at "idle". 0.5 watts power off
Tubes Required................................2 - Matched pair 6550EH - Power Output;
................................6N1P input and driver
Dimensions(w x d x h)......................36 x 42 x 20.5 cm
Weight............................................19kg
Miscellaneous :
Made In...........................................USA
Remote...........................................Yes
Manual............................................Yes
Box.................................................Yes
Condition.........................................9/10
Product Information :
http://www.audioresearch.com/VSi55.html
Reviews :
http://hometheaterreview.com/audio-research-vsi55-integrated-amplifier-reviewed/
http://www.soundstage.com/revequip/audioresearch_vsi55.htm |
