Power Transformer for

Fender Pro Reverb, Bandmaster & Tweed Bandmaster.

You are looking at a top quality power transformer for vacuum tube amplifierss. This particular transformer will be compatible with Fender Pro Reverb, Bandmaster & Tweed Bandmaster amps.

It is also a very effective choice when building new tube amplifiers, especially those employing the GZ34 / 5AR4 Rectifier and fixed bias. Common power tubes for its electrical specifications would be the 6L6GC, EL34, 5881 in Push-Pull mode. Many other circuits and tubes could employ this transformer.

Electrical Specifications:

Primary: 230VAC/50Hz


a) 370VDC@200mA FWCT, 325-0-325 VAC, 200mA with 50V bias tap

b) 6.3VAC, 4A

c)5VAC, 3A

Electrostatic shield between Primary and Secondary

Mechanical Specifications:

Lamination type: EI108

Mounting: Horizontal with one end bell and nylon washers

Distance between hole centers: 72mm x 90mm


Since this transformer was made using metric laminations, when using it to replace one made with imperial laminations, it might be necessary to widen the mounting holes by 2mm. This will be the case when replacing a power transformer in the compatible Fender amps.

Will ship worldwide.