Gretsch-GEAR ► Basses ► 6145 Spectra Sonic None Can you help with additional information on this model? Let us know. 6145 Spectra Sonic Specs Filed under Basses Eras The rebirth years: 1988-2002 The Fender years: 2003-present First registered year 2000 Last registered year None 6145 Spectra Sonic examples 2000: 10005 Sign in to add your 6145 Spectra Sonic