Check the listing for details. Beyer 80-000-007 Mic Transformer (W/ Electrostatic Shield) *Many Available*. Condition: Open box. Listed at 20.00 USD. High quality 600 ohm input impedance to 50k output impedance. Electrostatic shield attached. Many available. These transformers are vintage 70's/ 80's parts. These were used in many famous brand (Soundcraft,Trident) mixing consoles from the 70's through the 90's. New Items. *Returns accepted for D.O.A only* About UsAudioproz has been in the Hi-Fi and pro audio service and sales business for 25 years. We have a wide range of products and services, from consumer tape decks to professional studio processors, turntables to hard disk recorders, radios to mini-disc players. We also do modifications.Shippingfor most Domestic orders shipping is calculated based on weight for UPS Ground, very small lightweight items often ship USPS 1stclass. We welcome free pickup for buyers in the local Boston area INTERNATIONAL BUYERS, please note the HIGH SHIPPING COSTS !!! bid accordingly, keeping in mind any import duties your country may require. *Items are 120V unless otherwise specified! Only what is pictured is what is being sold *We have over thirty years of experience packing sensitive audio gear to ship all over the world, so you can bid with confidence that this item will arrive at your door in the same condition you see in our photos. We bench test everything before it is carefully packed, so handling can take between 3 - 5 days after payment clears. Once your order ships, it should arrive within 5 - 7 days (7 - 14 outside the US).PaymentWe accept payment through PayPal no later than three business days after purchase.Contact UsYou can message us through eBay We are happy to answer any questions you may have about this or other items or find us on the web at Audioproz