Check the listing for details. Geistnote GN-C36 ~ Ribbon Transformer Microphone Output 1:36 ~ (Shinhom T-25). Condition: New. Listed at 33.49 USD. Ribbon Microphone Transformer - GN-C36Geistnote's GN-C36: This transformer is a Chinese import much like the Shinhom T25.On a budget? This is the transformer for you. It sounds ALMOST as good as the Edcor and is based on Shinhom's T25. You are getting a good transformer for a very low price. Designing your own microphone? Make it sound great with this first. If you can do that, a high-end transformer will only make your microphone sound better. (Make sure the turns ratio is similar!)Learning to Mod Ribbon Microphones? The GN-C36 is the Perfect transformer to practice with. If you hose the transformer, it won't be that big of a monetary loss. Overview21 mm (tall) x 22 mm (wide) x 26 mm (long)Cooper shielding80% Nickel cores. Specifications Domestic Shipping Shipping is free for any number of transformersInternational Shipping USPS first class international shipping. Returns Returns are acceptedInternational Buyers – Please Note: Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying.