The Auralic Vega DAC is a compact powerhouse, offering the latest in digital technology. At a list price of $3,495, it provides up to 32 bit 384 kHz decoding and upsampling and up to DSD256. The built-in volume control lets the Vega function as a preamplifier in an all-digital audio system. One key feature is a “Femto Master Clock” with only 82 femtoseconds (0.082 picoseconds) jitter.

Many turntables today include an electronic speed controller for the motor that drives the platter that makes the records go round and round. The purpose of these controllers is to make sure that the motor sees a very constant signal to maintain a very constant speed. The ear is more sensitive to variations in speed than to small inaccuracies in the exact frequency.

Spread Spectrum Technologies was founded by James Bongiorno, the legendary and colorful audio pioneer and engineer who was also directly involved with key designs at Marantz, SAE, SUMO Electric, and Great American Sounds (GAS). Several years ago, Mr.