![]() ![]() Improvements continued to be made over the years, with the result that there are 9 major revisions of the vintage 1176, given the letters A, A/B, B, C, D, E, F, G, and H. The originals were somewhat noisy, prompting Brad Plunkett of Urei to design the Low Noise circuit that gave the unit its ‘LN’ designation. The design of the unit went through numerous changes, taking a while to hit its stride. The 1176 was meant to be a ‘true peak limiter’ with a very fast attack of up to 20 microseconds, and lots of gain for a compressor - up to 45 dB. The 1176 uses a Field Effect Transistor, or FET, as a voltage divider to accomplish the task of compression, in conjunction with I/O transformers and a Class A line level amplifier. as the solid state successor to his tube-based 176 limiting amplifier. The Urei 1176 Compressor/Limiter was first introduced in 1968, created by Bill Putnam Sr. Digital Adapters & Miscellaneous Cables.
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