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Universal Audio 1176LN

Classic Limiting Amplifier

Free Tech Support


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FET-Style Compressor with Class A Output & Custom Transformers, True to the Original

The 1176LN Classic Limiting Amplifier is a modern reproduction, yet every effort was made to remain faithful to UA founder Bill Putnam Sr.'s visionary design and intentions. The original UA 1176LN was a major breakthrough in limiter technology, the first true peak limiter with all transistor circuitry offering superior performance with a signature sound, and set the standard for all limiters to follow. The ultra-fast attack time and trademark sound have lured legendary artists and studio moguls alike to the 1176LN, Peter Frampton, Joe Satriani, Joe Chiccarelli, Vance Powell, and Mike Elizondo are just a few names on a list that's continued to grow, for nearly 50 years.

Carefully trained staff hand-wire and test each unit until it meets our uncompromising standards. This Universal Audio Classic version of the 1176LN captures all the nuance of the original through obsessive attention to detail and delivers that trademark sound. Demand the original. Accept no copies.


True to the original in design, manufacturing and performance

Modeled after 1176LN, blackface, 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


Input Impedance600 ohms, bridges-T control (floating)
Output Load Impedance600 ohms, floating, damping factor 20
External ConnectionsJones Barrier terminals and XLR connectors
Frequency Response± 1 dB 20 Hz to 20kHz
Gain50 dB
DistortionLess than 0.5% total harmonic distortion from 50 Hz to 15 kHz with limiting
Signal to Noise RatioGreater than 70 dB at +10 dBm
Attack Time20 microseconds to 800 microseconds
Release Time50 milliseconds to 1.1 seconds
Stereo Interconnectionvia 1176 SA Network accessory
MeterdB gain reduction and dB output
Power Requirements120/240 V
EnvironmentalMaximum operating temperature 160°F
Dimensions19" Rackmount chassis, 2U
Weight(unboxed) 11 lbs.

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