From hargers–(at)–irmail.net Fri Jun 6 21:57:00 CDT 1997
From: hargers–(at)–irmail.net (Harvey Gerst)
Newsgroups: alt.guitar.amps
Subject: Re: Help Dating JBLs
Date: Fri, 06 Jun 1997 08:28:04 GMT
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’50Deluxe wrote:

>Does anyone know how to date Orange or Grey Back JBLs with the serial
>numbers?
>Any clue would be greatly appreciated.
>Thanks,
>’50Deluxe

Unfortunately, we didn’t use any dating back then – the numbers were basically
sequential for each model. I would guess early to mid 60s for most of the gray
guitar speakers. I believe they went to the black crinkle finish for the E
series (or the K series?) around 1967 or so. If Miller Dial and Plate is still
in business (in Glendale, California) they might have better records, since they
made the foil decals for all those units. Other than that, I can’t help much.
Glad you still like my babies. I enjoyed making them.

Harvey Gerst