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22 wrz 2009 · Browse through our collection of free DIY audio compressor circuits, projects, and schematics. Plus, find helpful diagrams, step-by-step instructions, and more.
1176 Compressor/Limiter Schematic. Title. 1176 Compressor/Limiter Schematic. Created Date. 10/7/2022 3:12:49 PM.
The UREI 1176 Peak Limiter is a classic audio compressor designed by Bill Putnam, first built in 1967, making use of FETs and using them as a variable resistor to control the gain reduction in the circuit.
Download UREI LA-3A COMPRESSOR LIMITER SCH service manual & repair info for electronics experts
This design demonstrates a full-blown compressor/limiter with some neat bells and whistles. With a THAT 4301 at its heart, excellent performance is coupled with reduced parts count and minimal cost. A non-linear capacitor circuit is used to provide low distortion for slow moving signals, but
GC2020C compression can be used to add extra punch and a more consistent level to a final mix, and channels can be linked for stereo operation. A small amount of compression provides a more consistent signal level when recording a singer that tends to move closer to or further away from a vocal microphone.
The schematic shown in Figure 1 is a basic soft-knee compressor/limiter circuit that can be used as-is or as the basis for a more sophisticated design. The circuit consists of a THAT2180C VCA, a THAT2252 RMS level detector, a few op-amps, and a handful of passive components. An alternative would be to use a single THAT4301 (which comprises the VCA,
