REVIEW – Unison Research Triode 25 Amplifier
In case you are not familiar with the name Unison Research, it is an Italian company in business for some 20 years or so at Treviso, a municipality just to the north of Venice, with a well earned reputation for producing some excellent hifi components. Dominic Marsh has a play with their Triode 25 valve amplifier.
“At first glance this amplifier looks positively handsome. The sample supplied for review sported a real Cherry wood fascia which I found rather attractive and a welcome change from the ubiquitous black or silver finish. The remainder of the chassis is painted black however and as a foil to that the valve bases are inset into two polished alloy heat shields which extend from the front panel in a sweeping arc upwards, meeting the top plates of the transformer covers. A rather substantially built chrome plated valve cover cage is supplied, removed by slackening off four Allen bolts and sliding the cover along keyhole slots in the cover’s base plates to quickly release the cage…”
