driver valves plus a Pair of el34 as spares

The signal valves are Mullard and GE 82 and 83

You will note that there are the biasing terminals and bias pot on the left of the left amp and on the right of the right amp for ease and simplicity of re-biasing as required. Upgraded

Some mods and improvements were carried out by Mark at Malvern Audio Research including fitting Audyn Ref and Mundorf signal caps together with Mills resisters.

Mark also carried out the external bias upgrade

These monos are very flexible and may be tuned using different drivers including EL34, 6L6, and various KT variants and they enable the s...   read more