Gibson 1962 guitar and amplifier catalogue. Page 24. Gibson guitar amplifiers. Details of the GA-2RT Maestro Deluxe Reverb Echo and GA-8 / GA-8T Discoverer amplifiers
1962 pricing for these amplifiers was as follows: GA-2RT $249.50; GA-8 $95; GA-8T $129.50;
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$800
$1200
$1335
$1350
$1400
$1750
$2100
£2275
€4085