Click on the links here to jump directly to the serial number style that matches your instrument:. Starting in OctoberMarshall moved away from stamped metal plate serials and began using stickers with a xx-xxxxx-xx format serial and a bar code. There have been three coding schemes used by Celestion since Marshall's birth as a company, each using some combination of day, month and year. The back of a Marshall Major. Before the company before the most ferocious. A way to find out if a have the cascaded pre-amp or not is the Two Cables test.
I will also try to give examples of where they were used.
Dating vintage gibson amps
The full identifier of these amps was initially comprised of a model code, the serial production number and the date code. All the models mentioned above are still being produced here. InMarshall launched the JCM series. It seems that the early versions of the w — with the old cosmetics already had the cascaded pre-amp. Single 50W Drake output transformers rated at 3, ohms, part numberfor 50W models. Reverb dating service. Sell Your Gear on Reverb.