[variable]

I am looking for an inexpensive, but decently accurate, as in can produce a good sine wave, low THD, sine wave across the full 20-20,000 hz range function generator. I am a bit unclear as to whether an electrical function generator can work for this purpose as well, there are two that I am looking at:
http://www.vellemanusa.com/products/view/?id=525983
and
http://www.bkprecision.com/products/signal-generators/3001-audio-generator.html
 
But I would prefer the first, simply because it has greater resolution (and a digital display).
 
Thanks much!
-Eric

 

[Steve Eddy]

Why not just use a good DAC? Just use Audacity to create full scale sine waves at 24/96 and you're good to go.

What will you be using this for exactly?

se

 

[variable]

I need mobility. The first thing I'm using it for is to properly align subwoofer phase coupled with this meter with the procedure described here but I could see other uses down the line.

 

[arnyk]

  I am looking for an inexpensive, but decently accurate, as in can produce a good sine wave, low THD, sine wave across the full 20-20,000 hz range function generator. I am a bit unclear as to whether an electrical function generator can work for this purpose as well, there are two that I am looking at:
http://www.vellemanusa.com/products/view/?id=525983
and
http://www.bkprecision.com/products/signal-generators/3001-audio-generator.html
 
But I would prefer the first, simply because it has greater resolution (and a digital display).
 
Thanks much!
-Eric

 
The Veleman product is specified to have 10 bit precision.  Usually audio measurements of loudspeakers and  acoustics are done with equipment with 12 bits or better precision, while for electronics 16-20 bits are required.
 
There are smart phone apps and accessories that would be far better and more functional.

 

[arnyk]

Why not just use a good DAC? Just use Audacity to create full scale sine waves at 24/96 and you're good to go.

What will you be using this for exactly?

se

 
Most laptop audio interfaces and smart phones have sufficiently good converters for loudspeaker and room acoustics work.

 

[variable]

Ah ok, so just a decent sound card that can handle 24/96 on my laptop running audacity can do a sine wave/test tone no problem and save me the hassle of buying anything? In a pinch with my laptop would integrated audio be able to handle the task?

 

[arnyk]

  Ah ok, so just a decent sound card that can handle 24/96 on my laptop running audacity can do a sine wave/test tone no problem and save me the hassle of buying anything? In a pinch with my laptop would integrated audio be able to handle the task?

 
Most integrated audio interfaces can generate audio signals that are useful for acoustical and loudspeaker testing.