Sutherland DuoStacked3_4Closer Sutherland DuoTopView


No expense was spared in the design and construction of the Phono Blocks. The Phono Blocks are at the pinnacle of phono preamp performance. It just doesn’t get any better.

The 20/20 was designed to get the most performance possible at its predetermined price point. To get there, extra was spent to get premium parts and circuitry into the signal path. Consequently, some expenses were squeezed out of less important areas. Those trade-offs have worked very well. The 20/20 has delivered an extremely high level of performance at a reasonable price. It is an incredible performance value.



FR-4 fiberglass circuit boards, Double-sided with plated thru holes. 1/8″ thick for extra rigidity and minimal dielectric influence.

Dale/Vishay 1% metal film resistors

Wima Polypropylene capacitors for power supply by passing and DC servo

Custom wound, 1% polystyrene film capacitors for equalization

14 gage cold rolled steel base

baked epoxy powder coat finish

1/2″ thick anodized aluminum panel anodized in front panel artwork gold plated, Teflon insulated RCA connectors

gold plated configuration headers and shunts

Gain: 40dB, 46dB, 52dB, 58dB, 64dB
Loading options: 100 ohms, 200 ohms, 475 ohms, 1k ohms, 47.5k ohms
Output: 2V
Inputs and outputs: RCA
Dimensions: 17″ x 2.25″ x 12″
Weight: 11 lbs.


17″ x 2 1/2″ x 12″ each DUO,

23″ x 18″ x 9″ each DUO packed in shipping box


11 pounds each DUO

19 pounds each DUO, packed in shipping box


Ron Sutherland has a thing for phonostages – or more specifically, as he recently told me, for records and all things associated with vinyl playback. His considerable talent lies in paring products down to their essence, creating units that are at once quite neutral as well as musically compelling, as his impressive track record shows. Read More