MADE IN USA Fender Deluxe Style, 20W Upgrade Output Transformer, 6.6k , 4/8/16 Ohms Paper layer wound. Amps Used in: Fender Deluxe & Deluxe Reverb style amplifiers Fender Deluxe Style, 20W Upgrade Output Transformer, 4/8/16 Ohms MADE IN USA (SUB FOR 40-18087) 40-18087 Triode, USA Customer Service M-F 9AM-4PM CT 1-800-774-3201 Email us Anytime: questions@triodestore.com