Universal Audio 1176LN

Universal Audio 1176LN Limiting Amplifier

Universal Audio 1176LN limiting amplifier is a legendary FET compressor with tone and attitude that is true to the original EREI model released many years before it.

Universal Audio 1176LN Limiting Amplifier Details

Upon its release in 1967, the 1176 Limiting Amplifier became an instant classic because of its unique lightning-fast attack and release times, musical Class A output stage, and its wide range of sounds, ranging from subtle, near-transparent compression to all-out drive and distortion.

The Universal Audio 1176LN Classic Limiting Amplifier is a hand built, faithful reproduction of Bill Putnam Sr.’s original visionary design – an iconic piece of audio history that had a hand behind classic recordings from Led Zeppelin, The Rolling Stones, Michael Jackson, and more.

Features

  • Track and mix with the legendary FET-Style Compressor with custom-made class A output transformers
  • Record your tracks through vintage UA, “handmade in the USA,” circuits
  • Harness ultra-fast attack time on bass, guitars, vocals and more
  • Add colour, character, and vibe to signals without using compression

 

Billed as a “true peak limiter with all transistor circuitry and superior performance on all types of program material,” the 1176’s major selling point was its ultra-fast attack time – a mere 20 µS (.00002 seconds) at its fastest setting. But engineers soon found out that the 1176 also injected character, attitude, and vibe to anything run through its circuitry.

Some even used the 1176 with the compression turned off, just for the distinctive tone it imparts. The unit’s amplifiers and transformers all by themselves give a desirable “hot” quality to anything passing through them.

In 1999, when Bill Putnam, Jr. relaunched Universal Audio, a reproduction of the Blackface 1176LN was the company’s first product. Reissued in 2000, it was based on the circuit designs of the C, D, and E revs of the classic 1176.

One of the most critical aspects of recreating the sound of the original hardware, was faithfully reproducing the original output transformer, complete with the additional windings that provided the feedback signal to the final line output amplifier circuit. Bill Putnam Jr. found extensive design notes that enabled him to recreate and improve his father’s original design.

One of the Universal Audio 1176LN’s famous features are its push-button selectable ratios of 4:1 and 8:1 for compression, and 12:1 and 20:1 for limiting. 1176 at 4:1, to its most notable setting, the “All Buttons In” mode, where all the ratio buttons are depressed simultaneously.

This allows the 1176 to make a sound unlike any other processor ever heard before. Distortion increases, along with a plateaued slope and a lag time in response to initial transients, creating an explosive sound on drum room mics, fuzzing-out bass or electric guitar sound, or squeezing a vocal to bring it front and centre of your mix.

Carefully trained Universal Audio staff hand build and test each unit at the UA Custom Shop in Santa Cruz, California until it meets our uncompromising standards. This classic version of the Universal Audio 1176LN captures all the nuance of the original through obsessive attention to detail and delivers that trademark sound. Demand the original.

Specifications

  • Input Impedance 600 ohms, bridges-T control (floating)
  • Output Load Impedance 600 ohms, floating, damping factor 20
  • External Connections Jones Barrier terminals and XLR connectors
  • Frequency Response ± 1 dB 20 Hz to 20kHz
  • Gain 50 dB
  • Distortion Less than 0.5% total harmonic distortion from 50 Hz to 15 kHz with limiting
  • Signal to Noise Ratio Greater than 70 dB at +10 dBm

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The details provided above are drawn from historical documents like advertising brochures or user manuals. They’re shared without bias or review. This info is given solely for your consideration, helping you gauge its usefulness to you.

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A Compressor Legend

By Peter Bon

Sound Quality 90%
Build Quality 90%
Usefullness 100%
Mojo/Funk 90%
Reliability 80%

The 1176 compressor is an iconic piece of studio equipment that has stood the test of time. From the moment I introduced it into my setup, it became an irreplaceable asset. The 1176’s lightning-fast response and legendary FET-based design are the stuff of dreams. It’s like having a magic wand for dynamic control. If you’re seeking that signature punch and warmth, look no further. It’s not just a piece of equipment; it’s a legend in the world of audio processing.

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