- 100 Hz
- 200 Hz
- 400 Hz
- 800 Hz
- 1.8 kHz
- 3.2 kHz
the first Ross brochure
Graphic equalization provides for more control over tonality than conventional tone controls.
this effect was probably never produced like this, possibly after legal threats from MXR.
No forum threads about this effect yet.
Here's some code to post a link with image on forums, eBay, websites,...