Woo Audio WA-6 (1st generation)

Very flexible single-ended triode headphone amp with transformer-coupled design.  Included driver-tube adapters allow for increased tube-rolling with 6SN7 and variants, as indicated by the selection of high-quality matched pairs of tubes included.  Rectifiers - RCA 5R4-GY,  Mullard (RCA-labeled) 5AR4, Amperex (H H Scott-labeled) 5AR4, and Mullard (Raytheon-labeled) 5Y3.  Driver tubes with adapters - Ken Rad black glass VT-231 (6SN7) and RCA gray glass 6SN7.  Driver tubes without adapters - Mullard (GE-labeled) 6EW7, GE 6RD7, and Sylvania 6CY7.  Point to point wiring throughout, with high/low impedance switch in back.

Will ship insured via FedEx or USPS to the continental 48 states at buyer's expense, and will accept bank check, personal check with shipping after check clears, and PayPal (+3%).  No trades please, and lowballers will be cheerfully ignored.
Thanks for looking.