Our Gold, Copper, and Bronze Elements kits utilize high quality input and output transformers from Jensen, Cinemag, and Ed Anderson. If you prefer to have all stepped controls, we’ve worked with Eisen Audio and to offer a simple, and easy to install, Grayhill switch and circuit that can be used in the gain and/or output position.
We auditioned several conductive plastic potentiometers, and found, that these perform exceptionally well in terms of construction longevity and end-of-track noise. The standard option includes an 11 position Grayhill switch for gain and output potentiometer from BI Tech’s P260 series. Gold contact pushbutton switches and a gold plated DI jack that won’t tarnish over time. The Elements PCB has been custom designed by Eisen Audio (Brooklyn, NYC) and draws from their popular DIY500 product line (now discontinued). These were the first do-it-yourself kits in 500 series format. The clamshell side panel enclosure is made from two pieces of 20 gauge steel, zinc electroplated, and coated in trivalent chromate for maximum noise rejection at low and high frequencies. We offer various color anodized aluminum faceplate options, these options are based on which element kit you select.
Offered in 500 series format, these pres will work in any standard 500 series rack and are a great first build for recordists familiar with basic soldering technique. In addition to providing a base template for you to design your own mic pre, we’ve designed three unique mic pres that all have their own distinctive signature. This is a tried and true design that forms a simple, but classic base for the Elements concept. Sonically, the possibilities are endless, the type of transformers, op amp, and capacitor selections have a drastic effect on the final sound.
A discrete op-amp in the standard 2520 footprint provides variable gain, while the input and output transformers perform a wide range of functions including circuit isolation, impedance matching, additional step up gain, and in some cases much of the tonal color. Elements is built on the classic single op-amp, transformer coupled microphone preamplifier circuit found in many classic console designs.
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