Silver-face era Pioneer SX-x2x and SX-x3x receivers with gold or bronze face

[SteveMaas]

Here is my 626, work in progress. Serial number begins with SD.
Knobs are sitting on a white kleenex, whole picture looks a bit yellowy for some reason.

 

[ukfan4sure!]

Here is what I have on the champagne style for the Pioneer SX-727. I recently purchased another used SX-727, I thought it was stained by nicotine. However, once I cleaned it up, that was not the case. It is definitely a different color than my other Pioneer SX-727 that has a silver faceplate. Here is a photo of the two. View attachment 1304807
The champagne one is obviously on the top shelf and the silver one is below. I checked out the serial numbers and the champagne one has a SA prefix so it was made in Jan. 1972 (just like the SX-626 shown in the previous post). The silver faced SX-727 had a prefix of SH which corresponds to Aug. 1972. The supports the assumption that the champagne faceplates were made during the early months of 1972. More data of course would support this theory.

Hope this helps!

My champagne 727 is serial SB.

 

[ukfan4sure!]

Fisher had the same thing going on when they came out with the Extruded aluminum face plates in 1962. We managed to hypothesize that different manufacturers (sub contractors) built these faceplates to FISHER's spec, and that the anodizing was just slightly different between sub-contractors. Whether the solutions weren't filtered correctly, or not mixed accurately (clear vs. a champagne face), or just a reaction to the anodizing solution by the extrusion we couldn't figure out.

This same thing was done by Scott, and Scott received rebuke for their anodizing not matching from unit to unit. There was too much variance in coloration from vendor to vendor.