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Unison Research Sinfonia Integrated Valve Amplifier

code: UR-SINFONIA
£4,650.00 (FREE UK Delivery)
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Inspired by the highly acclaimed Performance amplifier, the Sinfonia is designed to be as close to the appearance and technical ability of the Performance while achieving a lower price-point. By making this an integrated design Unison Research have stayed true to their traditions, supporting the philosophy that integrated amplifiers can achieve a better sound by taking away the need for external cables, as cable impedances can negatively effect the timbre and dynamics of a hi-fi system's delivery.

Key Features:

  • Dual mono Stereo Integrated Valve Amplifier
  • Single-ended Parallel Class A output stage
  • KT88 valves used in sophisticated output stage design
  • Based on the superior Performance amplifier
  • 27-30W output
  • Subwoofer output
  • 4Ω and 8Ω loudspeaker terminals
  • Simply Phono power supply upgrade built-in
  • RC3 remote included
  • High-quality Cherry Wood finish
The Sinfonia is a dual-mono design, which effectively eliminates the possibility of cross-channel electrical interference. Each amplification stage inside the Sinfonia is pure Class A and operates exclusively with valves. The amplifier is able to deliver a very capable 27-30W (max.) output power, per channel.
 
The Sinfonia, like the Performance, is accented by two large heat-sink "wings" mounted on the sides. These are required by the high voltage stabilized power supply circuits, which are protected by a wide stainless steel cover. The top-plate is non-magnetic stainless steel and has low thermal conductivity, so it prevents the heat generated by the four KT88 from reaching the circuits located inside. This improves the stability of the amplifier, which in turn enhances the sound quality and the overall reliability of the system.
 
Technical Specifications:
  • Type: Dual-Mono Stereo Integrated Valve Amplifier
  • Output Stage: Single-Ended Parallel Ultra-Linear Class A
  • Output Power: 25W
  • Inputs: 4 x Line / 1 x Tape
  • Input Impedance: 47kΩ
  • Outputs: 1 x Tape / 1 x Subwoofer / Loudspeakers (bi-wiring)
  • Output Impedance: 4 - 8Ω
  • Feedback Factor: 14dB
  • Frequency Response: 20 - 30,000Hz
  • Valves: 4 x 6550 / KT88 / 2 x ECC82 / 2 x ECC83
  • Remote Control: IR control of inputs and volume
  • Power Consumption: 500W (max.)
  • Dimensions: 44 x 21 x 42cm
  • Net Weight: 55lbs.

We endeavour to despatch same day for orders placed up to 12 noon 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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