A liquid jet head comprising: a plurality of nozzles (H1, H2) adapted to jet a liquid; a piezoelectric actuator having a plurality of pressure chambers (Cle, C2e) communicated individually with the nozzles (H1, H2) and each capable of being filled with the liquid, and adapted to change a capacity of each of the pressure chambers (Cle, C2e); and a control section adapted to apply at least one pulse signal (ON) (Spl, Sp2) to the piezoelectric actuator to thereby expand and contract the capacity of the pressure chambers (Cle, C2e) to jet the liquid filling the pressure chamber (Cle, C2e), wherein the pressure chambers (Cle, C2e) adjacent to each other in the plurality of the pressure chambers (Cle, C2e) are set so as to belong to a plurality of groups (G1, G2) different from each other, and the control section is configured to make the pulse signals (Spl, Sp2) different in timing between the plurality of groups (G1, G2) and to set a shift amount (Δtd) of the timing in the pulse signals (Spl, Sp2) between the respective groups (G1, G2) so as to approximate an integral multiple of an on-pulse peak AP, when jetting the liquid; the liquid ejection head is characterised in that the plurality of pulse signals includes a first pulse signal (ON) adapted to expand the capacity of the pressure chamber, and a second pulse signal (ONn) adapted to contract the capacity of the pressure chamber, the control section is configured to perform setting so that the shift amount is present with respect to the first pulse signal, and the control section is configured to perform setting so that the shift amount is absent with respect to the second pulse signal. a plurality of nozzles (H1, H2) adapted to jet a liquid; a piezoelectric actuator having a plurality of pressure chambers (Cle, C2e) communicated individually with the nozzles (H1, H2) and each capable of being filled with the liquid, and adapted to change a capacity of each of the pressure chambers (Cle, C2e); and a control section adapted to apply at least one pulse signal (ON) (Spl, Sp2) to the piezoelectric actuator to thereby expand and contract the capacity of the pressure chambers (Cle, C2e) to jet the liquid filling the pressure chamber (Cle, C2e), wherein the pressure chambers (Cle, C2e) adjacent to each other in the plurality of the pressure chambers (Cle, C2e) are set so as to belong to a plurality of groups (G1, G2) different from each other, and the control section is configured to make the pulse signals (Spl, Sp2) different in timing between the plurality of groups (G1, G2) and to set a shift amount (Δtd) of the timing in the pulse signals (Spl, Sp2) between the respective groups (G1, G2) so as to approximate an integral multiple of an on-pulse peak AP, when jetting the liquid; the liquid ejection head is characterised in that the plurality of pulse signals includes a first pulse signal (ON) adapted to expand the capacity of the pressure chamber, and a second pulse signal (ONn) adapted to contract the capacity of the pressure chamber, the control section is configured to perform setting so that the shift amount is present with respect to the first pulse signal, and the control section is configured to perform setting so that the shift amount is absent with respect to the second pulse signal. <EOS>