Calvert Electronics Inc.
Terms
"Thread: CEI Tubes? Says made in England," HiFi Wigwam, http://www.hifiwigwam.com/showthread.php?24587-CEI-Tubes-Says-made-in-England (accessed 09/02/2014) [unvetted]
BiographyCEI was a wholesale component company and would buy in tubes, from any manufacturer for selling on under their own brand name. CEI stands for Calvert Electronics Inc. They usually sold tubes made by Mullard.
