- Mar 15, 2016
- Monument, CO
OCXO = oven-controlled crystal oscillator. The oven is a little heater to help maintain temperature so frequency stability is better. A lot of test equipment uses them as well (presumably without the mil-spec temperature rating). Makes the oscillator more expensive. I could not say if it has any audible impact. Maybe if your listening room varies from -55 to +125 degC.