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Seventh Circle Audio preamp chassis. Below are brief descriptions of the included preamps. Check the web site for additional preamps to fill the three available slots in this chassis.

The SCA C84 is a transformerless microphone preamp based on the "Double   Balanced" circuit first published in 1984 by Graham John Cohen. The C84 is superb on acoustic instruments, percussion, and any source that needs to be captured as accurately as possible.

The N72 delivers the unmistakable character of the highly sought-after Neve single-ended, class A, transformer-coupled console modules. The N72 provides a certain warmth and color that is virtually indistinguishable from an original Neve.

The A12 is  roughly based on classic American designs of the early '70s. Its an amplifier with an aggressive midrange and pronounced transformer coloration. The A12 sounds fantastic with rock drums and electric guitars, but is versatile enough to be used with a wide variety of source material and microphone combinations.

  The SCA T15 is a transformerless microphone preamplifier designed around the excellent THAT Corporation 1512 and 1646 ICs.

M-Audio ProFire 2626 

FireWire Audio Interface  

Eight analog inputs sourced from eight XLR mic inputs with phantom 

power, eight ¼” TRS   balanced line inputs, and two ¼” TS instrument inputs

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Note: Although the last Mac drivers available were for OS X Yosemite, the ProFire also works as a standalone 8-channel preamp.

Behringer ADA8000  8 Channel A/D/A Converter

With 8 built-in phantom-powered mic preamps

integrated ADAT interface at 24 bit 44kHz or 48kHz

Behringer Powerplay Pro-XL 4 Channel headphone amp