Dating guitar marsland speaker code

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The format may look like this: 220 637 Here the number 220 designates the speaker as a Jensen, and 637 indicates a production date of the 37th week of 1956 or 1966.

dating guitar marsland speaker code-9

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Whether it’s a vintage amp or a recent model such as this Fender Pro Reverb, hum can have several causes.If the pot is an original, it indicates a date before which the guitar could not have been built – so it’s always a good idea to have extra reference material around.Finally, a word of caution: This method applies only to American made pots and not all potentiometer manufacturers subscribed to the EIA source code date.I was thinking of trying a Celestion Gold 50, but I usually only play in my bedroom, and I don't want to increase the amp’s volume. Both amps produce very loud hum whether or not a guitar is plugged in. Or is there some other possible cause you can point me to? Most factory speakers in Fender amplifiers have what is known as an EIA code that specifies their manufacturer.You should be able to find a number stamped somewhere on the speaker’s frame.

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