The second page (of three) of Guild electric guitar amplifiers. Page 11 shows the 14w 1x12" Guild 50-J, the 20w 1x12" Guild 66-J, the 30w 1x12" Guild 99-J and 35w 1x15" Guild 100-J.
The Guild 100J was described as follows:
Engineered for exceptional tone, volume and flexibility, as required by the perfection-minded professional. 2 separate channels, 7 tubes (4 dual purpose) give 11-tube performance. Jensen 15-inch concert grand speaker with giant magnet; 35-watt output; 4 inputs; extra speaker jack; ultra-sensitive tremolo; outside fuse holder. Washable, scuff-proof Blue-Grey vinyl covering on lock joint plywood cabinet. Size 21 inches high, 10 inches deep, 22 inches wide. Weight 40 lbs.
June 1963 US prices for these amplifiers were as follows: Guild 50-J $119.50, Guild 66-J $165, Guild 99-J $225 and Guild 100-J $275.