This might be kind of a rambling and vaguq post, but hopefully I (and some readers) will learn something in the process.
I listen to DT770/80 while stationary and UE SF5Pros while on the go. I have built 3 Cmoys (9V) and a Pimeta (9V portable). For each, to avoid hissing with my SuperFi 5Pros I found that I had to rebuild with G=1. I am under the impression that more powersupply voltage, ie 18V or 24V, will be better for my DT770/80.
This got me thinking, is it worth it to build an 18-24V amp with G=1, or is that just silly? Let's say my source (Ipod) puts out a 3V P-P signal (does that sound right for an Ipod?). If my amp has a gain of 1, then the amp output also has a 3V P-P output, and therefore only requires ~4V power supply, correct? Can I increase runtime using 4xAAA versus 2x9V, but lose nothing in performance? As a performance variable, am I neglecting voltage-dependent output current of the op-amps/buffers or something like that?
Thanks,
George
I listen to DT770/80 while stationary and UE SF5Pros while on the go. I have built 3 Cmoys (9V) and a Pimeta (9V portable). For each, to avoid hissing with my SuperFi 5Pros I found that I had to rebuild with G=1. I am under the impression that more powersupply voltage, ie 18V or 24V, will be better for my DT770/80.
This got me thinking, is it worth it to build an 18-24V amp with G=1, or is that just silly? Let's say my source (Ipod) puts out a 3V P-P signal (does that sound right for an Ipod?). If my amp has a gain of 1, then the amp output also has a 3V P-P output, and therefore only requires ~4V power supply, correct? Can I increase runtime using 4xAAA versus 2x9V, but lose nothing in performance? As a performance variable, am I neglecting voltage-dependent output current of the op-amps/buffers or something like that?
Thanks,
George
