up for sale is my km 54 neumann microphone pair (one km 54a and one km 254 actually). they come with original nickel capsules and ac701k tubes. they have just been serviced by peter drefahl (invoice will be included to the shipping). plus, peter went the extra mile to match their frequency response (please, see the graph below). cosmetic condition is very good. an original case is included with the km254. the dual psu was built about 10 years ago by jean-marie mallet, a guy who spent most of his life working at the ortf. price: us $ 4200 + shipping and insurance. pictures on request. if you have any further questions, please feel free to ask.