Blog categorized as News

The Muffsy Phono Preamp is, and will continue to be an MM phono stage. Moving magnet and moving coil cartridges require different operational amplifiers, so a combination of MM and MC is not feasible at this size and price point. 

Until now, the only way to use the Muffsy with moving coil cartridges ...

There are several ways to make your own Muffsy Phono Preamp, but the power supply has been missing. Until now. Below are both gerbers and PDFs that allows you to order or etch your own power supply boards.

Hot on the heals of the official Muffsy PCB, here comes another option.

Over at theslowdiyer's blog, you can now find the project files for the Muffsy Clone.

We've seen some revisions of the Muffsy Phono Preamp, from green to red,  through blue and finally the black PP-3. Now get ready for a new one, only this time you can't buy it from here.

The question of a more generic circuit board that will accept other components than the ones included in the...

You now have a third choice of operational amplifiers for the Muffsy Phono Preamp, the NJM2068D from New Japan Radio (datasheet, pdf).

The NJM2068D is a great op amp that sits between the NE5532 and OPA2134 performance wise. It draws less current, so it will be the best choice for battery powered Muf...

The silvery screws for the Muffsy Back Panel have annoyed me for quite a while, but it has been surprisingly difficult to find ones that are better.

The screws that come with the B0905 enclosure are countersunk, so they won't fit the back panel very nicely. The silver button head screws that I've bee...

In my quest to make sure that you get the highest quality components for your phono stage,  I have received new capacitors for the Muffsy Power Supply.

The ones delivered with the kit until now have been a very tight fit, so these have 2mm smaller diameter. These new 16mm capacitors will make it even...

Not having a good thumb nut for the ground screw on the back panel, and the fact that the screws that come with the B0905 cabinet don't really fit has annoyed me a bit.

That's why the Muffsy Back Panel now comes with a brass thumb nut and four mounting screws.

The Muffsy Back Panel is available  on Ti...

About 10% of the customers have found it worthwhile to review the Muffsy products on Tindie. 

It's always very interesting to hear what people think, and it is especially rewarding when they are happy.

After receiving quite a few requests, it's now time for an upgrade of both the Muffsy Phono Preamp and the Power Supply. Both products are available on Tindie, right now!

You can finally build the complete Muffsy Phono Preamp, using the Muffsy Phono Preamp, the Hifi Power Supply and the Back Panel. J...