diyAudio

I just figured out how to adjust the platter on my favourite top loader, but my heavy brass puck has lost its circle of grippy material that keeps it from spinning on the CD. Most of it was worn off so I cleaned the remainder off and cleaned it up with isopropyl alcohol.

Anyone know of a fuzzy or grippy circle that I could replace it with?

Hi all, I have this little Maggy for my office system and around the first of the year I started hearing crusty garbled distortion in the right speaker after the amp ran for about a half hour. Today it got really bad so I switched the inputs and the distortion was still on the right channel. then I switched speakers at the output and the distortion went to the left speaker. I sw...

Magnepan / Magneplanar 1.6QR speakers for sale. $1000 or reasonable offer. I am the original owner. Excellent condition; adult owned, no direct sunlight and zero cats. These sound and look like new. I have moved on to other speakers. I have the original manual and I have the original purchase paperwork to validate I am the original owner.

Local pickup only. I do not hav...

I am building a offline full-bridge SMPS and with no success.

I am using ETD-49, with input voltage of 230Vac(rectified 330Vdc), output +-30V,I curently have winded pri 21, sec 5+5, the fet's are BUZ80 and IC is SG3525, I use active feedback with optocoupler.


I don't know what frequency to use, I am corrently at 100kHz. With no load output goes to +-31V,...

Hi guys, I'm by no means a pro but I've had a lot fun designing my 1st single ended layout and building it in an old knackered head I had laying around. It's designed to stay clean with plenty of voicing available via the interaction between the NFB and Master volume, with a fixed tonestack and preamp vol driven by v1a. It sounds great and very black background.