Yamaha JX55. Early 80’ies solid state guitar amp.
First series (1975-1979) G50-112. Aka 'Fifty 112' as printed...
Early 80'ies JX35 in great condition. Came with the original...
Early 70'ies YTA-15. Little amp, but with mature 12" speaker...
Late 60'ies TA-30 amplifier. These 2 channel amps had spring...