This information was provided by a site visitor and also appears in the Disqus section. Thank you Daniel!
This amp has the same amp section as the Ampeg V-4 (the V-4 is an amp head only, this amp is a combo amp).
100w combo tube amp, 7027a power tubes (qty 4), 2 x 12″ CTS speakers (Altec Lansings were optional):
later version has a distortion channel. This version has a 3-position
sensitivity switch. There’s also a 3-position midrange selector switch
(300hz; 1000hz; and 2000hz).