GA77
A very cool and crunchy sounding workhorse Gibson amp.
Approximately 1220 of these amps with different schematic versions were
manufactured during its 1954 - 1961 lifespan.

Some reviews on the GA77...
Harmony Central    Harmonica Master class...about midway down



Buffalo BA77
$1600

25 watt output
Two different schematic designs:
12ax7, 12ax7, 6sL7, 6j5, 6L6, 6L6, 5V4
cathode bias
or
12ay7, 12ax7, 12au7, 5881, 5881, 5V4
old school fixed bias

It features paper interleave/bobbin transformers and choke custom cloned
from my original samples for that "dark sparkle" Gibson tone!
All hand wired chassis just like the original.
Jensen 15" speaker
1 watt carbon film resistors
Jupiter and Mallory tone caps
CE multi section and Sprague electrolytics
Solid pine construction lumber cabinet.  
Now with original style "buffalo grain" textured top.  Just like the original!
(See pic of original above...will have new Buffalo pics soon!)
10' AC cord
Studio Slips clamshell gig bag $120 extra


My louvered 15" cab would be an excellent choice for this circuit!
Or I can make the original style cab pictured above and below.


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Buffalo Amplifiers is not affiliated with Gibson Musical Instru
ments.