511 :: The Alarm - 1970s Marshall 4 x 12 straight 'Bass' guitar amplifier speaker cabinet, made in England, ser. no. A01615, enclosing a set of four Celestion green back T1511 speakers bearing date codes 'HE' (1972), bearing white tape to the top inscribed 'JS main cab', within a heavy duty Castle Cases flight case on wheels bearing various tape inscriptions including 'James Stevenson straight front 4 x 12', 'Olly' and 'Fly by night load first' ** Used by James Stevenson on various The Alarm tours