Decware CSP Tube Preamp (black): Serial No. 4; With Sophia 274B mesh plate globe rectifier, Mundorf silver/oil coupling caps (mod), cryo treated 6N1P tubes. Transformer bent the case in the rear during shipment; had the unit checked out and no issues. Two inputs. Manual included. $350
Buyer pays PayPal fee. I have additional tubes (rectifier, power, input) available for an additional fee.