Marshall, 1962 Bluesbreaker E Bass The preamp in the Supro The Velvetouch finish on The preamp in the Supro Delegate employs a trio of 12AX7 tubes and a specially voiced 3 band EQ to make the most of the extended frequency response derived from the Mercury Magnetics transformer set so that it can be set up to act as a boosted clean channel or manipulated to make the channels sound like two completely different amps (the gain channel can be set from slight to very heavy distortion by simply using the drive and level controls) with two re issued Celestion Greenback speakers it’s sonic characteristics differentiate it and give it that recognisable sound This 30W classic may not shout the loudest but its vintage tone means its personality stands out from the crowd