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Prototype 2 - Soldered

A project log for Muffsy MC Head Amp

A DIY Dual Mono MC cartridge preamplifier for your record player

skrodahlskrodahl 07/21/2016 at 20:420 Comments

All the components are in place, now it needs to be mounted in a case and powered up. Notice that there are no screw terminals on the input/output. Since those are rather sensitive areas when it comes to interference, it will be best to solder the shielded cables directly to the board.

There will be a few cosmetic changes of the layout. The 100uF electrolytes didn't quite fit, the same with the 100pF film caps. The gain network of the LT1115 op amps was changed a bit to get some more distance from the cabinet walls. I've also added ground fill on the top of the board, and removed it completely around the AC throughput traces. Here's how it looks as of now:

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