Mullard KT88 Russia

Mullard KT88 Russia

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One thought on “Mullard KT88 Russia

  1. New Sensor is on a roll, another tube this month – Mullard KT88.

    From New Sensor:
    “KT88 Mullard is an exact copy of the KT88 valves that were manufactured by Marconi-Osram for Marshall in the late 1960s and 1970s. Excellent replacement output valve for the Marshall Major to retain the original sound.”

    This tubes looks exactly as Genalex KT88 and sounds practically the same – a bit warmer in mid-range, a bit stronger in bass. It looks like plate material looks a bit different, but nothing major. The major difference is that Genalex uses Copper rods for both grids and Mullard uses regular metal or aluminum rods. Considering that copper has higher thermal conductivity (about 2x of other metals) that should help in dissipating heat through grid fins on the top.

    Overall very positive first impression of the tube. Considering that it’s a bit cheaper than Genalex, it’s definitely a fantastic tube.

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