Puretone is the perfect name for this amp because what you'll get is pure tone.

BIO

David William Logan "Davey" Johnstone (born 6 May 1951, Edinburgh, Scotland), is a Scottish rock guitarist and vocalist, best known for his work with Elton John. On 10 June 2009, Johnstone played a landmark 2,000th show as a member of the Elton John Band at the SECC in Glasgow, Scotland. He is currently serving as John's musical director, in addition to his guitar work, playing along with Nigel Olsson and John Mahon.

Equipment Davey Johnstone uses the following Hughes&Kettner equipment

PureTone
Puretone Combo