Fender Style 100W Output Transformer 4/8/16 Ohm - APD-8013-H – Amp Parts Direct
Transformers for Tube Amplifiers: HOW TO DESIGN, CONSTRUCT & USE POWER, OUTPUT & INTERSTAGE TRANSFORMERS AND CHOKES IN AUDIOPHILE AND GUITAR TUBE AMPLIFIERS: Popovich, Igor S.: 9780980622386: Amazon.com: Books
Fender86 Cbs 100w Guitar Power Amplifier Output Transformer 2.1k, 6l6*4 Parallel Push-pull. Secondary Impedance: 0-4-8-16ω - Transformers - AliExpress