Musical Power Supplies, Inc. designs and builds it's own unique designs for Vacuum Tube Audio Transformers.  MPS Transformers will typically offer more features and flexibility in inputs and outputs than most other designs or the standard 'classic' transformers. If you need multiple input impedances or outputs, we've got your transformer.

Special care is taken in our designs to attain a great product for the money.  Years of professional experience in manufacturing and global sourcing magnetics parts is put to use here to get the hobbyist a great product at a great price. 

We are proud of our EBay feedback ratings and track record since 2006 in providing great service as well as products.  We have a genuine interest in tube amps and look forward to helping you meet your needs in all of your projects.  If we don't offer or can't build what you need, we will always try and guide you to the right solution.

MPS Warrantees it's products to be free of Manufacturing Defects for 1 year from the date of shipment. We reserve the right to review all claims and will replace parts that do not fail from mis-application or user damage.  Our goal though is to collect satisfied, repeat customers and if you have any questions or concerns about our products please feel free to contact us directly to discuss and review by email at matt@musicalpowersupplies.com. 

It's far easier to fix a problem before you use the wrong transformer than afterwards.  If you have a question, please ask.