{"product_id":"m-902s-dual-tube-microphone-power-supply-tf29-ela-m-260-cu-29","title":"M 902S Dual Tube Microphone Power Supply (TF29, ELA M 260, CU-29)","description":"Designed and assembled in the USA, this compact M 902S dual power supply design provides safe and reliable power in a small footprint. The circuit features premium quality capacitors, improved regulation, and RF suppression. The M 902S will power two ELA M 260, TF29 Copperhead, or CU-29 Copperhead tube microphones.\n\n7-Pin XLR Pin-out:\n\n1 – B+ (120VDC)\n\n2 – Heater (6VDC)\n\n3 – Ground\n\n4 – Ground\n\n5 – Audio (-)\n\n6 – Audio (+)\n\n7 – Ground\n\nThese units are hand-built in South Windsor, CT, USA with premium components including a Triad transformer, Nichicon capacitors, Neutrik connectors, and a PCB layout made to maximize current handling. They are built well over-spec to ensure reliability and safe operation for decades. They are burned in as a full unit to ensure optimum performance and operation.","brand":"Telefunken Elektroakustik","offers":[{"title":"Default Title","offer_id":45417020751958,"sku":"AM-PSU-M902S","price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/0255\/9318\/files\/M-902S-PSU-A-1x1-2026_jpg.png?v=1784559676","url":"https:\/\/www.telefunken-elektroakustik.com\/products\/m-902s-dual-tube-microphone-power-supply-tf29-ela-m-260-cu-29","provider":"Telefunken Elektroakustik","version":"1.0","type":"link"}