Here’s a link to a Tektronix CFG250 audio frequency generator, a great little unit I also used to have.
https://www.ebay.com/sch/i.html?_from=R40&_trksid=p2380057.m570.l1313.TR1.TRC0.A0.H0.XTektronix+CFG250.TRS0&_nkw=Tektronix+CFG250&_sacat=0
For $400 you've got the lot then DMM, Frequency Counter, 100MHz dual trace scope and a frequency generator.
All quality Tektronix gear.
Cheers George
https://www.ebay.com/sch/i.html?_from=R40&_trksid=p2380057.m570.l1313.TR1.TRC0.A0.H0.XTektronix+CFG250.TRS0&_nkw=Tektronix+CFG250&_sacat=0
For $400 you've got the lot then DMM, Frequency Counter, 100MHz dual trace scope and a frequency generator.
All quality Tektronix gear.
Cheers George