What is the difference between the PDI-03 and PGA-04 filter circuits?
The PGA-04 was my answer to customers asking for more versatility. Though you may read many different comments, the heart of the PGA-04 is the original filter circuit with the two switches replaced thru two potentiometers for a continuous control between the extreme positions of the switches. The original 03 is surrounded by almost legendary status. We found one on E-Bay today that was selling for $1200. If you can, please explain the mystique surrounding the PDI-03. I can only guess, but the fact that the PDI-03 was used and praised by some very popular artists and producers, the unavailability in the U.S. for the normal customer, and that Palmer is a small boutique-like company without publicity could be the reason. We know you are excited about the re-issue of the PDI-03. What prompted you to re-issue it? There existed a patent for a unit that claimed to do the same job as a PDI-03. Though I never had seen the unit before, this guy threatened me with legal action and defamed me as a