Audio Research VSi60 Integrated Valve Amplifier

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POWER OUTPUT: 50 watts per channel continuous from 20Hz to 20kHz. 1kHz total harmonic distortion typically 1.5% at 50 watts, .05% at 1 watt. FREQUENCY RESPONSE: (-3dB points at 1 watt)
1.0Hz to 80 kHz. INPUT SENSITIVITY: 0.47V RMS Single-ended for rated output. (32.5dB 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). OUTPUT POLARITY: Non-Inverting (any input). PUSH BUTTONS: Volume up, volume down. (103 steps, 20 LED indicators), Input, Mono, Mute, Power. All functions on IR remote control. OUTPUT TAPS: 8 ohms, 4 ohms. MONO SUBWOOFER OUTPUT: 1V RMS at rated power. OVERALL NEGATIVE FEEDBACK: 7dB. HUM AND NOISE: Less thatn 0.1mV RMS — 106dB beow rated output (IHF weighted, Vol down). 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: 100-125VAC 60 Hz (200-250VAC 50Hz) 300 watts at rated output, 500 watts maximum, 200 watts at "idle". TUBES REQUIRED:2 — Matched pair 6550. Power Output: 2-6H30 driver. DIMENSIONS: 14" (35.6 cm) W x 8" (20.3 cm) H x 16"(40.6 cm) D. Rear connectors extend .88" beyond chassis. WEIGHT: 34.8 lbs. (15.8 kg) Net; 38.3 lbs. (17.4 kg) Shipping. Specifications subject to change without notice.

This item cannot be ordered online. If you are interested please click on the Ask a Question button below.

Its rated output of 50 watts per channel does not convey the VSi60's ability to drive power-hungry, low-impedance loudspeakers. Audio Research designed the VSi60 with the finest full-range speakers, not compact monitors. Dynamics are lifelike with a sense of ease normally associated with larger amplifiers. Yes, its resolving power is surprising, allowing you to hear details that were previously hidden in your recordings, but that resolution is in service of the music — grainless, tonally accurate and refined. Physically, the VSi60 is 14" W x 8" H x 16" D, with a milled, anodized natural top plate with an inset Audio Research logo. On the front there are function and volume LEDs on the left, and soft touch buttons on the right mimicking the layout of our SP17 preamp. The display is available with either a black or a silver finish. The supplied remote controls all functions including power, muting, stereo/mono, input select, and volume up/down.The rear of the chassis has five pairs of single-ended inputs labeled CD, Tuner, Video, SE1 and SE2; a (full-range) mono subwoofer output; voltmeter test points for setting bias; 0-4-8 ohm, gold plated brass five-way binding posts, and a very high quality detachable line cord. An optional perforated cage-type top cover, specific to the VS60/VSi60, is available at extra cost.The control section of the VSi60 is passive, utilizing microprocessor-controlled relays. The high performance input relay paths are especially short, the same as those in Reference preamplifiers. The microprocessor control remembers the last input selected and the stereo/mono setting when the unit is powered down. Upon turn-on there is an automatic 30-second warm-up mute, with the volume control reset to zero to avoid possible unwanted surprises. The active circuitry is essentially that of the VS60, but with more gain for greater sensitivity. The preamplifier and amplifier sections cannot be separated.The VSi60 has a new JFET input stage for low noise, with 6H30 driver tubes. The Svetlana 6550C output tube is used, the same as our other vacuum tube amplifiers. Build quality is typical Audio Research, utilizing thick traces on heavy, plated-through circuit boards, the finest audiophile-grade parts, proprietary litz internal wires, and the VSi60 is completely hand-soldered, assembled, tested and packed by craftspeople in our own facility. No production shortcuts have been taken. We are very proud of the VSi60 because we feel it provides the finest performance available anywhere near its price. Please contact your nearest Audio Research dealer to audition this affordable new integrated vacuum-tube amplifier.

We endeavour to despatch same day for orders placed up to 2pm on available stock items (items with stock message "Usually dispatched within 24 hours"). Please remember to check with us first for a physical stock check if next day delivery is important to you. Any items with stock message "Usually dispatched within 72 hours" are items that we do not hold in stock but order in from the importer or manufacturer as soon as a customer order is recieved. Occasionally these may be delayed beyond 72 hours due to importer/manufacturer stock levels but we will inform you as soon as we can if this is the case.

UK ORDERS:  We despatch the bulk of our UK mainland items on a 24 hour service – Free of Charge.  Non Mainland locations - Isle of Man, Isle of Wight, the Scilly Isles, the Scottish highlands and Islands, the Channel Islands and Northern Ireland may take a day or so longer and are not Free of Charge. Smaller items are delivered using Royal Mail recorded delivery or special delivery. Larger items are delivered using a courier service such as Interlink Express, DPD, UPS or DHL. 

INTERNATIONAL ORDERS: We offer competitive rates which can be confirmed by email. Please just ask – we will need a full delivery address and telephone number. Smaller items are delivered using Royal Mail Small Packets Airmail with International Tracked and/or Signed depending on value of item and availability of the service. Larger International shipments are sent by insured and tracked services using DPD, DHL or UPS. If there are any delays due to specific customs regulations, etc, you will be contacted by Turntableworld or by the courier with a request for any further information required. Customs duties do not apply for shipments into any EU country (for a full list please refer to the EU Country List). Customs duties can apply for countries outside of the EU. Customers in these countries are responsible for all taxes and duties incurred when the items enter their country.

COLLECT IN STORE OR HOME INSTALL:At the request of the manufacturer some items cannot be supplied by mail order but you can click and buy them and then elect to collect them from our store or arrange a home install (if applicable). Applicable items clearly state that they are Collect in store or home install. Once ordered you will receive a message prompting you to contact us by phone or email to arrange for us to deliver and install or to reserve and collect from our store at your convenience, you will also be advised of the delivery time / stock availability as not all Home install / collect in store items are held in stock. 

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