Has anyone managed to get all the parts for the API preamp straight from digikey, excluding a few special parts (transformers, greyhills) basically I'm trying to not have to do a mouser and …

Jun 3, 2004 · Some Primo models have showed up on Digikey. Unfortunately, not all of them available to purchase in low counts, but it is nice to see them sold state side.

Jun 3, 2004 · I am building a pair of API 312s which will utilize the Melcor 1731 op amp. My dilemma right now, though, is that I was unable to get in on the necessary group buys at the …

Feb 13, 2009 · 2) The XLRF1 connection to the API's circuit ground is truly evil. The HF crap mentioned above (and ground loop currents through the cable shield) will flow through the …

Nov 25, 2025 · GroupDIY - Do it yourself (DIY) audio & electronics forum. Electronic forums for audio design & audio schematics.

Jun 7, 2004 · API ft. Eckmiller w86a Finally I finished this project. Stereo master eq with API preamp. Thanks everybody here for your help Here are some soundclips...

Jul 27, 2021 · Just a quick question to the group. Can the API 2520 be used in the inverting configuration with about 50db of gain. If so how would it be implemented? Many Thanks …

Apr 5, 2019 · Which makes me wonder what API did for mix buses in their mixers. Of course they had separate routing modules so maybe there was a special backplane just for those? Cheers …

Feb 26, 2006 · here is a recap list for an MCI 500 console I did several years ago. There are a few versions so make sure this makes sense for your modules. Either way it should be helpful. The …

Jun 4, 2004 · Hey, I've been driving myself nuts trying to track down the right part, with no luck after hours of searches. I built a Dantimax VolControl2 kit, which includes a two-digit, 7 …