30W STUDER 900 Linear power supply High-precision regulated/low noise DC 5-9v-12v-15v-18v-24V (Optional) for DAC preamplifier 30W STUDER 900 Linear power supply High-precision regulated/low noise DC 5-9v-12v-15v-18v-24V (Optional) for DAC preamplifier. Sale price : $46.75 Category : Consumer Electronics