Attachment 67216 hi every one, i bought theses Altecs some time ago. and they were in really bad shape. i managed to sand a repair the cabinets back to a nice finish. what i am wondering i was told they were the model 18's can any shed some light this. one of the 604 drives i have remove the tweeter and when i refit it i find it, a really snug fit. i found this inadvertent with i this is for my speakers.
http://audio-heritage.jp/ALTEC/speaker/620bmonitor.html