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A few months back, we built four U-87 clone microphones here at the studio. They’ve since been in regular use in many of the roles an 87 might play in a busy studio; string section, saxes and other winds, lead and group vocals, guitars and amps, and they are fantastic. They have all the depth, tone, accuracy (and inaccuracy) and proximity effect signature of microphones that cost at least 6 times as much.

Since so many people have been asking for details on the build, my friend and colleague Daniel Noga, who headed the whole mic build project, did this great write up on the entire process from ordering parts to listening to the final build. Read the rest of this entry »

Ampex 351 preamps

Ampex 351 preamps

Ampex 351 preamps

Well, it took a while, but I finally have most of my 6 Ampex 351 pre-amps built. They sound great, I’m really pleased. Following the mods and circuit edits developed by Electrical Audio, we made new circuit boards (thanks to Ian Anderson for his PCB help) and, having gutted the old units of all but the transformers and BIG meters, created our own version of this classic tube pre.

Using real high end components from manufacturers like Mojotone, Vishay and Hairball Audio, the result is a classic sound with low noise floor and a wide range of tone from clean to “OH MY GOD”. I’ve used the prototype with ribbons and condensers (we added an onboard soft start phantom supply) and just love it.

All the documentation from Electric is available in the Schematic Vault http://danrudin.com/Schematic_vault/index.php?dir=Ampex/ and I’ll try to post my own mods and tweaks when I have a minute.

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