The single-ended class A circuit is essentially the same as that used in the 1066, 1073, 1272, and other Neve console modules. N72 Preamp – Our most popular module, the N72 adds the unmistakable character of Carnhill transformers to your recordings.J99b Preamp – The J99b offers all the performance of the J99 in an assembled module.Transformer coupled at both input and output, the J99 can be configured to provide more than 80dB of gain. J99 Preamp – Many people consider the Jensen Twin Servo to be the finest microphone preamp ever made, and our kit version of this classic circuit has garnered a lot of praise as well.The C84 uses a combination of discrete transistors and IC amplifiers to deliver a very clean, uncolored version of your source signal. C84 Preamp – The most “neutral” sounding module, the C84 is a kit version of one of the most popular transformerless preamp circuits.A12b Preamp – The circuit is exactly the same as the A12 and sounds identical, but the op-amp is not modular.A12 Preamp – Based on classic American preamp designs of the ’70s, the A12 delivers an aggressive, immediately recognizable midrange with pronounced transformer coloration.The current modules in production as described by SCA are as follows Pre-built modules are also available, for those not ready to DIY. The SCA store provides a discount for customers buying the enclosure at the same time as any of the modules. Each enclosure needs one power supply (sold separately, preassembled). The enclosure will accommodate any eight complete SCA modules. The kits come with everything one would need to complete the unit: the printed circuit board, components, knobs, switches, transformers, etc.
#Neve 1073 preamp schematic plus
After a few emails back and forth, the UPS man dropped off a nice heavy package on my doorstep.įor those of you not familiar with SCA, they supply “do it yourself” kits of many modern and classic microphone preamp designs, plus a DI module and a VCA compressor. I got the impression that this is how he is with all of his customers. He was very receptive to my request for review units, and went out of his way to be helpful. Through a fan of the podcast, I was put in touch with Tim Ryan. This would also give me the opportunity to let others know what I thought, helping them make an educated decision on pulling the trigger themselves. Then I thought that if I could review them, I would get a chance to play with them. Convincing my wife that we needed more preamps at a time when the grocery budget was tight would have been a losing battle. I first considered just buying a few units and jumping in with both feet, sight unseen… or in this case unheard. The reality of being able to build the circuits of legendary audio hardware for a fraction of the cost of current production models excited me. I always thought it would be great to build my own microphone preamps and other studio gear, but until I discovered Seventh Circle Audio, and a handful of other kits, I did not even realize it would be possible for me.Īfter first visiting the SCA website, I became mildly obsessed with it. I have been interested in the “guts” of electronics as far back as the days when I would inadvertently destroy my toys in trying to discover what made them tick. Through The Home Recording Show podcast, I regularly get the opportunity to talk with many of the great people in the burgeoning DIY audio electronics community.
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