I am really really happy that I pursued trying to improve my record playing experience. I initially bought and built a VSPS board. When I installed it into my switching preamp, I was not very impressed, as there was the same amount of hum/noise as my el-cheapo phono board from Ali Express.
So recently I decided I would put the VSPS board in its own chassis. I debated, but ultimately decided to include the PS inside the 6x10x2 inch chassis to match my switching pre, and 6LU8 tube amp.
Well, initially when I plugged it in and turned up the volume there was still hum. I tried bringing a piece of shielding between the transformer and the preamp board, and it didn't do anything to reduce the noise/hum. BUT, what did happen was that during handling, the hum disappeared! I then checked the turntable ground and I could get the hum to cut out by moving it a bit. I pulled the ground cable and checked the 1/8" mono phone plug I was using as to what was going on. Turns out I connected the TT ground to the chassis instead of the preamp board ground. Changed the connection and vois la no more hum, even at max volume (with no signal).
Well that made me happy. But what else made me happy is that I replayed a great recording of Beethoven's 5th and my sox were blown off! the bass was really very detailed and powerful, and the dynamics were also impressive.
So, my experience is that this VSPS board (thanks Richard) is excellent. My TT is an old Technics belt drive. I had recently upgraded to a modest LP gear cartridge with elliptical stylus, but my initial impression (with the same record) was Meh. So anyway, I am very excited to have elevated my LP lstenng experience.
Roger
So recently I decided I would put the VSPS board in its own chassis. I debated, but ultimately decided to include the PS inside the 6x10x2 inch chassis to match my switching pre, and 6LU8 tube amp.
Well, initially when I plugged it in and turned up the volume there was still hum. I tried bringing a piece of shielding between the transformer and the preamp board, and it didn't do anything to reduce the noise/hum. BUT, what did happen was that during handling, the hum disappeared! I then checked the turntable ground and I could get the hum to cut out by moving it a bit. I pulled the ground cable and checked the 1/8" mono phone plug I was using as to what was going on. Turns out I connected the TT ground to the chassis instead of the preamp board ground. Changed the connection and vois la no more hum, even at max volume (with no signal).
Well that made me happy. But what else made me happy is that I replayed a great recording of Beethoven's 5th and my sox were blown off! the bass was really very detailed and powerful, and the dynamics were also impressive.
So, my experience is that this VSPS board (thanks Richard) is excellent. My TT is an old Technics belt drive. I had recently upgraded to a modest LP gear cartridge with elliptical stylus, but my initial impression (with the same record) was Meh. So anyway, I am very excited to have elevated my LP lstenng experience.
Roger
Looks like you're going places !!
https://audiokarma.org/forums/index.php?threads/really-impressed-with-my-vsps-board.1073193/
https://audiokarma.org/forums/index.php?threads/really-impressed-with-my-vsps-board.1073193/