For sale is a mint condition Jensen Isomax PO-2XR (aka JT-DM2-2XR). Used for less than 50 hours. This is the 1:1 step-down transformer to get for XLR to RCA conversions, such as for Gungnir or Yggdrasil. This is better than the more widely available PC-2XR, which is 4:1 and decreases gain. $250 shipped, add 3% PayPal.