Mint condition purchased direct from Schiit 3.28.18. No DAC module included with this one. Both stock tubes included. Optional Westinghouse Black Plate (best tube I've heard in this amp) and Sylvania vt-231 (bad boy). The optional NOS tubes are $75 each and I will not sell them separately unless the amp has already sold. CONUS only. Amp only $420. If purchased with both sets of tubes offering a $50 discount...$520 plus a free set of Kimber Kable PBJ.