Dating polytone amps
I also have to add this: I picked up some G-707 electronics pulled from a guitar some years ago, and I did find a G-707 circuit board wired to support the older, narrow pickup.In the case of the G-707 guitar, you need to check to following resistors: R23, R26, R29, R35 and R38.The pin out information was correct on the G-505 Service Manual Schematics schematic, which uses almost the same circuits.All the G-303s and G-808s that I have checked have op-amp pin outs consistent with the G-505.He mentioned he had misplaced the paper they sent with the pickup explaining what parts to replace when he installed the new pickup. View the original note from Roland sent to Jonathan Prince. But Mark Wire was able to find a replacement hex divided pickup! 413100 Mark goes on to outline the resistors that need to be changed for the new #610 pickup.
In terms of sophistication of design and electronics, the weighty Ibanez IMG2010 comes out way ahead of the G-303, but like the Roland G-707, the IMG2010 is a bit of an acquired taste, and its curious body design means that the Ibanez IMG2010 is virtually impossible to play sitting down without a guitar strap!
There are some ideas as to why the more expensive, classier G-808 never quite took off with the same following as the G-303.
Aside from the fact that Pat Metheny is not dragging a G-808 out every night, the G-808 guitar seems slightly neck heavy when compared to the G-303.
Like the GR-300, there are three versions of the G-303 and G-808 guitars, distinguished by changes to the PC board.
I was contacted by a G-303 player in the States and a G-808 player in Norway both using the first run, early "prerelease" version of the guitar electronics.