Very old, from the 1930-1940ies .

This Siemens power supply is the perfect addition to your vintage collection . Made in Germany, it is a high-quality product that is sure to meet your expectations. The PSU is designed for use with the AZ11 rectifier tube ( inlcuded ) ie for field coil horn speaker of old theater systems and comes with a choke. The brand name Siemens is synonymous with reliability and durability, making this power supply a great choice for anyone looking to enhance their vintage audio experience. Whether you are a collector or a musician, this power supply is sure to impress. Don't miss out on the opportunity to own this vintage gem.