[AMPS] Two-tone audio generator for testing IMD?

[Jerry Flanders]

Is software available for the PC sound card to generate two audio tones for 
doing some IMD tests on this 5CX3000A amp that is slowly taking shape here?

Since the driving rig is already interfaced to the PC's sound card, I 
_think_ all I need to generate tests is a piece of software to generate the 
tones (along with my other rig and other PC to view the spectrum with its 
own sound card and software).

Know of any dual-tone generating software cheap/free? Used it for this 
purpose? If no dual-tone software, what single-tone software is available? 
(I have two sound cards in this PC and guess I could mix externally.)

Jerry W4UK


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