1966 Gibson full line catalog. Page 17 illustrates the Gibson amplifier line, using the new Gibson Vanguard GA-77RET (or RETL; the difference is the speaker, and therefore indistinguishable from the front) reverb-echo amplifier (as described on pages 22-23) enjoying a beach sunset. The theme of nature runs throughout this catalog, and whilst birds illustrate the electric guitar section, plants the acoustic; fish motifs appear throughout the next eight pages of Gibson amplifiers.
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