Unison Research Unico CD Primo Valve CD Player

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The Unico CD Primo from valve-experts; Unison Research is a high-grade CD player, specifically designed to compliment the company's series of hybrid amplifiers and electronics.

The internal construction of this CD player has been arranged and built to allow the unit a flawless performance. There are two main boards within the CD Primo, one of which is dedicated to the power supply and digital signal circuits, while the secondary board is dedicated to the output stage circuit, these two boards allow the audio signal to retain a clean profile while being processed.

The audio stage has been designed around a single ECC82 (12AU7) valve in a double triode configuration, operating in pure Class A. This is the heart of the unit and allows the CD player to provide the warm, musically compelling response that one would expect from any product built by Unison Research. This valve is followed by a discere solid state buffer that also operats in Class A, this allows for a low impedance output.

A 16-bit USB input is featured on the Unico CD Primo, meaning that playback from a computer or laptop is equally as superlative as that of a CD.


Transport   TEAC CD5010A
 Digital Interface  Wolfson Micro WM8804
  Sample Rate Converter     Burr Brown SRC4192 
 D/A Converter  Wolfson Micro WM8524
Sampling  24-bit / 96kHz 
 Digital Input Asynchronous USB (Type B)
16bit / 32 - 48kHz 
 Digital Output 44.1kHz 
 Output Stage  Solid State, Class A
 Outputs 1 x RCA output
1 x S/PDIF 
 Gain Triode Class A 
 Valve 1 x ECC82 (12AU7) 
Power Consumption 100W (max.)
Dimensions (W x D x H) 43.5 x 43 x 9.5cm
Net Weight 10kg

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Providing your item is in stock, the order is usually dispatched within 24 hours. Please remember that postage and packing is completely free for orders over £50*. Out of stock items will be dispatched as soon as they become available, out of stock items can take between 4 to 21 days for dispatch.

Deliveries usually take 1-3 working days. The majority of orders are sent via our couriers'; Interlink Express on a next-day-delivery service. Smaller, low value or light-weight items are normally posted using Royal Mail Recorded or Royal Mail Special Delivery.

Once your product has been dispatched, you will be notified via email and sent a unique consignment number, you can use this number at http://www.interlinkexpress.com to check the status of your delivery. If you have provided a mobile telephone number, Interlink's Predict service will notify you by text (and email) of a one-hour delivery window. If the window they suggest is inconvenient, you can change the date of delivery to a later one via text or email.

*We ship free of charge to mainland UK addresses, excluding the Scottish Highlands or 'Out-Of-Reach' Scottish locations. Please consult the post-codes below to see if your location falls within this category. If you are still unsure, please contact us on 01432 354921. We also ship to Northern Ireland, Channel Islands, Scilly Isles, Scottish Isles and Scottish Highlands, however delivery to these locations will incur a charge and can only be sent via a 2-day service.

Shipping CostsMainland UK (Next-Day)Offshore/Out-of-reach (2-day)Northern Ireland, Channel Islands, Isle of Man, Scottish Islands, Scilly IslandsRepublic of Ireland (2-day)
Under £50 Orders £7.50 £12.50 £15.00
Over £50 Orders FREE £19.99 £29.99
Surcharge Orders £50.00 £69.99 £79.99
Saturday Delivery £12.99 N/A N/A
Sunday Delivery £12.99 N/A N/A
Saturday by 12 Delivery £35 N/A N/A


Post codes exempt from the free delivery service include:

Scottish Highlands Post Codes: AB30-38, AB41-42, AB44-56, FK17-99, G83, IV1-28, IV30-39, IV52-54, IV63, KW1-14, PA21-33, PA34-40, PH15-26, PH31-41, PH49-50
Islands Post Codes: HS1-9, IV40-51, IV55-56, KA27-28, KW15-17, PA20, PA41-49, PA60-78, PH42-44, ZE1-3
Northern Ireland: All BT postcodes
Channel Islands Post Codes: JE, GY
Scilly Isles Post Codes: TR21, TR22, TR23, TR24, TR25