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Universal Audio 1176LN Classic Limiting Amplifier
Universal Audio 1176LN Classic Limiting Amplifier

Universal Audio 1176LN Classic Limiting Amplifier

SoundPro Item: 70860
MPN: 1176LN
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Universal Audio’s 1176LN Classic Limiting Amplifier is a handbuilt, faithful reproduction of Bill Putnam Sr.’s original visionary design. It's an iconic piece of audio history that had a hand behind classic recordings from Led Zeppelin, The Rolling Stones, Michael Jackson, and more.

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.

One of the 1176’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 center of your mix.

Universal Audio 1176LN Features

  • True to the original in design, manufacturing and performance
  • Modeled after 1176LN, D and E revisions
  • Ultra fast attack time -20 microseconds to 800 microseconds
  • Class A line level output amplifier
  • Custom built Putnam-designed output transformer
  • Stereo interconnect operation
  • Hand-built in USA; backed by 1-year limited warranty
  • 1176LN Classic Limiting Amplifier1
  • One Year Limited Warranty1
  • 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
  • Attack Time 20 microseconds to 800 microseconds
  • Release Time 50 milliseconds to 1.1 seconds
  • Stereo Interconnection via 1176 SA Network accessory
  • Meter dB gain reduction and dB output
  • Power Requirements 120/240 V
  • Environmental Maximum operating temperature 160°F
  • Dimensions 19" Rackmount chassis, 2U
  • Weight (unboxed) 11 lbs

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