Roland Jazz Chorus JC-120 2x12

Vendo Roland Jazz Chorus JC-120 original made in japan. Rejilla y todo en buen estado.
Suena fantástico. Puedo enviar videos por privado.
Aquí debajo os pongo descripción que pone al buscar la fecha por el serial number:
This item could have been made during any of the following periods.
November-1978
March-1987
Notes :120W power, 2 x 12 inch speaker
If more than one date is returned you can narrow it down.
Pre 1979 Jazz Chorus amps do not have a "BRI" switch, post 1979 do.
1979 and later amplifiers have black plastic corners rather than the chrome on earlier ones.
If there is no chorus/vibrato footswitch input on the back then it is 1975/76