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janarn · 07-15-2009, 03:48 PM

12LA = day, month, year.

L = Nov, A = 68.

This is G12H's from '68. T1281,
I have four of them myself.

"Celestion date codes" say that they changed the codes
to letters before numbers in '68, but I have never seen a
speaker from '68 without numbers before letters.

07-15-2009, 03:48 PM	#30 (permalink)
janarn Senior Member Join Date: Aug 2008 Posts: 408	Re: Speaker identification in 4x12 12LA = day, month, year. L = Nov, A = 68. This is G12H's from '68. T1281, I have four of them myself. "Celestion date codes" say that they changed the codes to letters before numbers in '68, but I have never seen a speaker from '68 without numbers before letters.