Replacement AC Adaptor for Technolink/TEC/TCC Phono Preamps Universal voltage; 100-240VAC 50/60Hz (US type A AC plug) works with ALL current Phonopreamps.com preamps EXCEPT the TC-400G/L works with the following discontinued Phonopreamps.com preamps; TC-760, TC-740, TC-753 REGULATED output 12VDC, 500mA provides up to 4 times the available current of our unregulated adaptors