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Steve H posted a topic in Private HiFi ClassifiedsHi I bought this precision linear PSU from RS components in Sept 2017. I have used it to power my modest audio computer at home, it gets used about once a week for a few hours. It did make the music sound better than my old analogue PL154 PSU. My reason for selling this PSU is because I'm building another computer as my current one is nearly six years old. My plan is to build a small server which needs a slightly more powerful PSU. Any questions feel free to pm me. Price new £330 inc VAT, for sale at £260. Item is in South Northamptonshire. Link to manufacturers website; https://www.aimtti.com/product-category/dc-power-supplies/aim-plseries Extract from the spec sheet and the reason I bought it; Output Performance Ripple & Noise *: Normal mode voltage: <0·4mV rms and 2mV p-p Normal mode current: <0·2mArms; <40uA on 500mA range. Common mode current: <5uA rms Load Regulation: Voltage - <0·01% + 2mV. Current - typically 0·01% + 500µA. Voltage specification applies for any load change, measured at the output terminals. When using remote sense add 0.5mV per 0.1V drop in the +ve output lead (max. sense lead resistance 0.5 W). Line Regulation: Voltage <0·01% + 2mV for 10% line change. Current <0·01% + 250µA. for 10% line change. Transient Response: <50µs to within 50mV of setting for a 90% load change.
Looking for some help with using rePhase to create a linear-phase crossover. I have read miniDSP app notes here but cant make sense of the first step ''Use the Paragraphic Gain EQ tab with minimum-phase filters to flatten the amplitude response'. I cannot find a detailed explanation of the type and shape of filters to use to achieve this flattening. If anyone knows of a more detailed guide to using the tool or could guide me with some sample settings to fit the curves that would be most appreciated. I include a photo of the left mid SPL and Phase measurement in REW and the same measurement imported to rePhase. It would also be useful to know is phase something like the inverse of SPL and on the phase diagram what is the significance of the first peak in the chart between 50 and 100 hz before the vertical dotted line. Thanks in advance. rePhase