12/17/2023 0 Comments Fender bandmaster schematicBelow is a traditional Jazzmaster wiring diagram. Plexi 6v6 Tube Guitar Amp Schematic By Mark Huss Electronic Schematics Guitar Amp Diy Electronics Jul 05 Wiring will be straightforward for anyone with basic soldering tools and skills.įender bandmaster wiring diagram. Fender started using a rectangular lower panel in late 1963.Fender_bandmaster_reverb_aa270_schempdf - 53 Kb 45. Tweeds and 6G amps had these cutout lower panels, but only the very early BF amps had that type of lower panel. If you see a BF amp with a lower back panel that is cut out in the manner of the top panel, you are looking at a very early BF lower panel. Originality meant more back then…and now to some of us. Whe we dated amps without the serial number chart, we were verifying originality while we dated them. Those charts were the end game of their work.Īlso, it seems to me that since these charts have ben published, the originality of these amps has taken a back seat to the date. Knowing these things plus the codes on the components was how we dated and verified Fender amps prior to the creation of the serial numbers charts that were produced from that work those gentlemen did. Fyi, Greg Huntington was one of the people who worked on assimilating, collating, and analyzing all of the data from thousands of Fender amps so that those articles could be written. Once again, imho, if anyone wants to understand the intricacies of Fender amps, those ‘Dating Fender Amp Articles’ are the source. Fletcher notes this in one of the replies. The letter does not represent the version of that model but rather when the schematic was drawn. I also am not sure about Greg Huntington’s (RIP) analysis of the schematic designations. I have never wondered about those small letters on the schematics. So as J Fletcher suggested, these little date codes may have been consistent *into* the '60s - but not so much in the second half. That's so Fender - we recently discussed how revised schematics (like the Bronco) didn't always revise the voltages, or just revised some of them but not others. Not only does the B1270 (CBS) Princeton Reverb still say K-FD the later (1967?) Bronco (a VibroChamp in all but name) still has the original 1964 I-FD stamp. **Except** the revised schematic didn't always get an updated date stamp. Since as you say, model numbers may or may not reflect good date info, I can also use the date codes to try to figure out which schematic came out when. It's those codes, like A-FJ, K-FD etc, that I tried to list in my table. The 6G7-A has the code K-FJ, indicating the 11th month of 1960, November." This code seems consistent into the 60's with the 6G7 Bandmaster schematic having the code A-FJ indicating January 1960, with F representing 6, and the J representing 10. "The smaller code, E-EE, can be deciphered as E the month May (the 5th month) EE, 1955, so the schematic was drawn in May 1955. I shoulda just quoted the tiny section three pages in, where "J Fletcher" (in 2003) touched on the *date stamp* on the schematics: I now see I've linked a whole long PDF about *model numbers* in the link above. Thanks, Wally, you're right of course about model numbers (like 5F1, 6G6).
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