Select Store

Unison Research Reference Preamplifier

Free UK Delivery

In Stock
In stock

Sorry, This product is no longer available

The Reference represents the pinnacle of Unison Research`s creative work in preamplifier design. This is the two-chassis preamplifier conceived to partner the Reference Monoblock power amplifiers, and features the very finest components and a totally unique circuit with 300B tubes. A work of art itself, it delivers the purest possible musical signal to give the purity demanded by the most discerning audio customers. Truly a very special piece of equipment.

Operating mode:

4 line RCA, 2 line XLR
1 tape, 2 phono

1 line RCA, 1 line XLR
1 tape, 1 subwoofer

Valve complement:
2 x ECC82(12AU7)
2 x ECC83(12AX7)
2 x 6C45P
2 x 300B
2 x ECC83(12AX7) phono
4 x 6C45P phono

Providing your item is in stock, the order is usually dispatched within 24 hours. Postage and packing is completely free for orders over £100*. 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.


Orders are sent via our couriers' DPD on a next-day-delivery service and usually, take between 1 and 3 days. 


Please use this link to find more detailed delivery information.


*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.