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Post new topic What year's my Twin Reverb-Anyone remember the Fender codes?
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Author Topic:  What year's my Twin Reverb-Anyone remember the Fender codes?
James Morehead


From:
Prague, Oklahoma, USA - R.I.P.
Post  Posted 16 Jul 2007 7:57 pm    
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I just picked up a great deal on a Twin Reverb, and I lost my notes on putting a manufacturers date on one.

Looking at the back of the amp far left, Heres the transformer #'s.L022756 606-6-04

The little tranny:022699 606-5-45

And the center tranny: 022889 EIA 606-642

Anyone recall the fender codes??
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Greg Simmons


From:
where the buffalo (used to) roam AND the Mojave
Post  Posted 16 Jul 2007 8:02 pm    
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here ya go Very Happy

http://www.svvintageamps.com/dating.php
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<i>�Head full of this kaleidoscope of brain-freight, Heart full of something simple and slow�</i>
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Greg Simmons


From:
where the buffalo (used to) roam AND the Mojave
Post  Posted 16 Jul 2007 8:02 pm    
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XXX=mfg. code

YY=year (may be one or two digit)

ZZ=week of manufacture

i.e. 606-6-04

Schumacher - 1966 - 4th week

Twin Reverb Serial nos.

Twin Reverb AA763, AB763 (blackface)
A00100 to A01200 - 1964
A01200 to A04300 - 1965
A04300 to A07000 - 1966
A07000 to A10400 - 1967

Twin Reverb AB763, AC568, AA769, AA270 (silverface)
A10500 to A11300 - 1967
A10500 to A16500 - 1968
A16500 to A21400 - 1969
A21400 to A25600 - 1970
A25600 to A37000 - 1971
A37000 to A50500 - 1972
A50500 to A68000 - 1973
A68000 to A99999 - 1974
A81000 to A99999 - 1975
_________________
<i>�Head full of this kaleidoscope of brain-freight, Heart full of something simple and slow�</i>
-Mark Heard
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James Morehead


From:
Prague, Oklahoma, USA - R.I.P.
Post  Posted 16 Jul 2007 8:41 pm    
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Sorry Greg, I forgot to include the chassis# B 20746, the only # stamped on the back of the amp on the right side, by the hum balance.
This is a Silverface with mastervolume--100watt series. I doubt it's earlier than '71 which was still nonmaster. '72 seems when the master v. appeared. Just trying to narrow it down.
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James Morehead


From:
Prague, Oklahoma, USA - R.I.P.
Post  Posted 16 Jul 2007 8:41 pm    
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oops

Last edited by James Morehead on 16 Jul 2007 8:47 pm; edited 1 time in total
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James Morehead


From:
Prague, Oklahoma, USA - R.I.P.
Post  Posted 16 Jul 2007 8:41 pm    
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technical difficulties.
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Greg Simmons


From:
where the buffalo (used to) roam AND the Mojave
Post  Posted 16 Jul 2007 8:54 pm    
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some more Twin serial #s
B01000 to B15000 - 1975
B15000 to B68000 - 1976

with B20746, looks like you've got a '76 and it would follow that the tranny codes above are '75 and '76 Very Happy
_________________
<i>�Head full of this kaleidoscope of brain-freight, Heart full of something simple and slow�</i>
-Mark Heard
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James Morehead


From:
Prague, Oklahoma, USA - R.I.P.
Post  Posted 20 Jul 2007 1:46 pm    
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Thanx Greg, I appreciate the info!!
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