Multiple use 2/4/8 Ohm version of the original 125A6A, 125A7A and 022848. Paper layer wound output transformer! Most impedance combinations are covered here! Good for 40W or "so" D.I.Y. amp projects and new OEM builds as well! Amps Used in: Bandmaster**, Bandmaster Reverb**, Pro**, Pro Reverb** and many models of Tremolux**, Vibrolux**, Vibrolux Reverb**, Vibroverb** For Reference Only: 022848, 125A6A, 125A7A  Alternate Version: 40-18006 Made by Magnetic Components Inc. Right here in the USA....Specifications ClassicTone # 40-18105, Fender Bandmaster, Pro, Vibrolux, Tremolux Style, 40W Output Transformer, 2/4/8 Ohm ClassicTone 40-18105 40-18105 Triode, USA Customer Service M-F 9AM-4PM CT 1-800-774-3201 Email us Anytime: questions@triodestore.com