Audio ResearchVS-110usedAudio Research VS-110 upgraded! PRICE REDUCED-DON'T MISS!Absolutely beautiful upgraded VS-110. All power tube sockets were replaced and upgraded to newer tighter fitting reference grade sockets ($800 upgrade done by Ben Jacoby from High End Audio Repair ...2299.99

Audio Research VS-110 upgraded! PRICE REDUCED-DON'T MISS!

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Condition
8/10
Payment methods
Ships fromHuntington Station, NY, 11746-1303
Ships toUnited States
Package dimensions24.0" × 24.0" × 17.0" (69.0 lbs.)
Shipping carrierFedEx
Shipping cost
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Original accessoriesBox, Manual
AverageResearch Pricing

Absolutely beautiful upgraded VS-110. All power tube sockets were replaced and upgraded to newer tighter fitting reference grade sockets ($800 upgrade done by Ben Jacoby from High End Audio Repair in Brooklyn, NY). Any VS-110s offered for sale without this upgrade (ones with darker colored sockets) are prone to problems with loose socket pins so Audio Research offered this upgrade to alleviate this issue. Any minor cleanup or component replacements have been done and amp is working 100% and sounds absolutely beautiful.  Price include 8 new Maxi-matcher matched Svetlana pre-SED hard to find 6550 power tubes and 5 6N1P tubes preamp and phase splitter tubes all matched closer than 10% on gain & transconductance. Also including an ADDITIONAL 2 sets of tightly matched 1975 Rocket logo 6N1Ps so you will literally have many years of playing time without having to search for new sets of tightly matched preamp tubes.  I will also include bias adjustment tool, but amp is biased fine with these tubes right now. This is a stunning amp and one of the best sounding amps I have ever owned. I am only selling because I have upgraded over the years to all Audio Research reference components and I do not want this to sit around gathering dust while someone else could be enjoying it. 
Reasonable offers considered. 
US shipping only. 

POWER OUTPUT
100 watts per channel continuous from 20Hz to 20kHz. 1kHz total harmonic distortion typically 0.5% at 100 watts, below .05% at 1 watt. Approximate actual power available at "clipping": 120 watts (1kHz) (Note that the actual RMS power output is dependent upon both line voltage and "condition" ie: if power line has high distortion, maximum power will be affected adversely, although from a listening standpoint this is not very critical.)
POWER BANDWIDTH
(-3dB points) 10Hz to 40kHz
FREQUENCY RESPONSE
(-3dB points at 1 watt) 0.8 Hz to 40 kHz
INPUT SENSITIVITY
1.1V RMS Single-ended for rated output. (28dB gain into 8 ohms)
INPUT IMPEDANCE
100K ohms Single-ended
OUTPUT TAPS
8 ohms, 4 ohms
OUTPUT REGULATION
Approximately 0.9dB 8 ohm load to open circuit
OVERALL NEGATIVE FEEDBACK
12.7dB
DAMPING FACTOR
Approximately 11
DISTORTION
1kHz total harmonic distortion typically 0.5% at 100 watts, below .05% at 1 watt
SLEW RATE
6 V/µs
RISE TIME
10 µs
HUM & NOISE
Less than 0.2mV RMS - 103dB below rated output (IHF weighted, input shorted)
POWER SUPPLY ENERGY STORAGE
Approximately 332 joules
POWER REQUIREMENTS
105-125VAC 60Hz (210-250VAC 50Hz) 620 watts at rated output, 900 watts maximum, 400 watts at "idle"
TUBE COMPLEMENT
(4 matched pairs) 6550EH power output, (5) 6N1P input and driver
OTHER
Output polarity: Non-inverting. Voltmeter test points for bias. 12 VDC in/out trigger. Detachable 14 gauge AC line cord with IEC socket.
DIMENSIONS
17½" (44.5 cm) W x 7.9" (20.1 cm) H x 19" (48.3 cm) D. Rear connectors extend .88" beyond chassis
WEIGHT
61 lbs. (27.7 kg) Net; 69 lbs. (31.4 kg) Shipping.
 

 

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