Bugera 1960 infinium valve amp head bugera 1960inf bugera 1960 infinium valve amp head br the 1960 infinium features a no compromise post phase inverter master volume that can be bypassed for direct signal path and a huge output transformer with specially nested windings for increased dynamic response and clarity the onboard fx loop with true bypass is ideal for use with external fx preamps or modelling processors making the 1960 the go to amplifier for massive stage sound and unbridled