Do external power supplies have merit?
Some stereo equipment have connectors for optional external power supplies featuring big transformers and lots of capacitors. Are they worth it or just a bunch of fluff?
Ohms Law
Everything you ever wanted to know about audio, music and its reproduction is here. PS Audio co-founder and CEO Paul McGowan shares his more than 40 years of high-end audio experience, stories, interviews, and hilarious tales in this one-of-a-kind podcast. Ohm's Law is produced by PS Audio and presented ad-free for the community. Subscribe through your phone's podcast app and get the latest each day. And please, leave us a rating so others will join in.
Recent Episodes
Do amplifier specs tell us anything useful?
Power amplifier specifications tell us a great deal: wattage, circuit topology, performance, THD, IM, frequency response. But, how much of this tells us anything of how an amplifier actually sounds.
Will PS Audio make subwoofers?
With PS Audio investing so heavily in loudspeaker research and development will they ever take some of that work and make a line of powered subwoofers?
Do level adjustments harm audio performance?
Most receivers, integrated, and preamplifiers have the ability to gain adjust each input to more closely match the other inputs. Do these adjustments harm the sound quality?
What is the best speaker cabinet material?
Speaker cabinets are constructed of everything from wood to concrete and then some. What’s the best material going and why?
How to know what you don’t know
Now back in the audio fold, this viewer wants to know how he can determine where he’s at in terms of tonal balance, imaging, and performance? How can he judge his position?
Moving Magnet cartridge sounds muffled. Why?
A former Moving Coil cartridge user has switch to a Moving Magnet cartridge with not so good results. Can Paul figure out and fix his problem for him from afar?
What’s the best source for audio?
When computer audio is the subject is a laptop adequate for the task or do you need a big high priced computer instead?
Are big amps louder than small amps?
It seems that the bigger the power amplifier the louder it should play, yet that’s actually not true. What are the differences between gain and wattage and how does all this square up with what many people believe?
CD players output analog, so why add a DAC?
CD players all output audio directly from the player, so why would anyone wish to spend the extra money to add an external D to A Converter for better sound?