This is a vintage constructed, paper layer wound TW Express, Liverpool and Rocket style power transformer. Our version of this classic features both 120V / 240V. Amps Used In: TW Express, Liverpool & Rocket style amplifiers. MADE IN USA by Magnetic Components Inc.Chicago, USA Specifications 40-18065$127.01 Triode, USA Customer Service M-F 9AM-4PM CT 1-800-774-3201 Email us Anytime: questions@triodestore.com