He pulled off the headphones, trembling.
To the world, DFX stood for "Digital Frequency X-changer," a failed 1970s Swiss project to create a perfect, lossless analog-to-digital converter. Only twelve units were ever completed. The first eleven had serial numbers DFX 12.001 through 12.011. They were known, catalogued, and resided in museums or private collections of esoteric audio gear. dfx 12.023 serial number
Number 12.023 was a myth.
The auctioneer approached. "Found your white whale, Julian?" He pulled off the headphones, trembling