Goodmans 18" Audiom 91 Bass Speaker - 50W and 100W power handling
Labels - acquired on ebay Sept. 2014.
Blue label - 8 ohms (normally) - 100W
With power handling of 100W, these could be used singly with AC50s or AC100s.
8ohm Audiom 91 in a Foundation Bass cab. Probably designed to accompany an AC50
A Goodmans unit from 1967 with a new "...Manufactured for Jennings Musical Industries" label. Stocks of these passed to Vox Sound Equipment Ltd, the company that sprang from the ashes of JMI.
Black label - 16 ohms (normally) - 50W
Used singly in Foundation bass cabs accompanying AC50s, and in pairs of cabs accompanying AC100s. If two cabs were plugged into an AC100, the amp's impedance would be set at 8ohms.
FANE 183 - 16ohms - 60W
Used relatively infrequently by both Vox and Selmer for their bass cabs. Later versions of the speaker became more popular in the 1970s with the rise of other British amp manufacturers, notably Hiwatt.
A Fane speaker in a Foundation Bass cab supplied with an AC50 with a serial number in the 3000s (mid to late 1965).