Gibson GA77RVT

 GIBSON GA-77RVT Vanguard Amp  (c.1964) similar to Scotty's

Scotty acquired one of these amps on February 25, 1965 and used it in his studio along with other amps for many years.  In 1995 he traded this along with a Magnatone to Buck Sulcer for a 1976 Gibson L5CES guitar.  

JBL D130F speaker (not Scotty's)

The GA-77RVT Vanguard amp. It was introduced in 1962 and replaced by the GA-77RET in 1965.  A few remaining amps were shipped in 1966 and 67.  Most GA-77RVTs were covered in smooth brown tolex and brown Saran grill cloth with tan stripe. At first a tolex fabric with a texture more like modern guitar case tolex covering was used but this was changed into a chiseled like texture tolex sometime in 1963. In 1964 a rough weave black tolex and silver Saran grill cloth was used. This should make it easy to date a GA-77RVT at a glance.  The tubes use are 6EU7, 7199, 6EU7, 12AU7, 6EU7, 6EU7, 6L6 and 6L6. It used a 15" JBL D130F Signature speaker.  Other features were reverb, tremolo and separate bass, middle and treble tone controls. The amp in the picture has the second type tolex covering.*

*amp info courtesy  Björn Anger
for more about vintage Gibson amps see "The Gibson Amp Project"

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