Help id my speakers please....pics

[horner]

dont know if pics of the cross overs would help...
My Father gave these to me and said they sound great.
Problem seems to be finding the proper specs for the encloseres.
If I knew what they were it would help im sure....lol
Any info or links anyone has would be greatly appreaciated.
Thanks....Dave

[GM]

Greets!

391220 is the EIA date code:
391 = Altec-Lansing
2 = last digit of the year
20 = 20th week

Since these are either 604E or 605B duplexes (I don't know how to visually tell them apart) this makes them 1972 models, so some of the last made.

Published specs: http://alteclansingunofficial.nlenet...ele-Small.html

GM