The tube-base multi channel analyzer is suitable for scintillation detectors such as NaI(Tl), LaBr3(Ce), CeBr3, CsI, BGO, etc. Built-in voltage divider, pre-amplifier, high voltage module, multi-channel pulse amplitute analyzer, can be directly connected into CR105, CR119, R6231, R6233 and other PMT probes. Epic crystal developed a series of of tube-base MCA with good performance, fully functions, easy operation properties.