Saturday, October 25, 2014

Urei 1176






The Urei 1176 was a major breakthrough in limiter technology. It brought to the professional audio industry for the first time a true peak limiter with all transistor circuitry and superior performance on all types of program material. The 1176LN retains all of the features of the 1176 but generates 6db less noise. In addition a redistribution of noise spectrum leaves even less noise in the sensitive 500hz to 3Khz range.
Since its introduction in 1968 the 1176 has become the industry leader.
The 1176LN will carry on that tradition with the following plus features:

FET Gain Reduction ahead of first stage. No tricky balancing required ever. No distortion adding element in gain reduction circuit.

Push button selection of four different compression ratios , to satisfy every program requirement.

ULTRA FAST attack time...... independent of the degree of limiting. Extremely stable operation.... no costly maintenance... no tubes to select or replace.

Stereo operation of two units easily accommodated, so speak in one channel causes equal limiting in both.

Contemporary styling ... eye pleasing industrial design.

Limiting is accomplished in the 1176LN by utilizing  a FET as a voltage variable resistor, ahed of the first stage of amplification. Unique circuitry permits severe limiting without added distortion, and no balancing is ever required. Attack time is adjustable from less than 20 microseconds to 800 microseconds. Using the tone burst method , a 50 kHz peak is fully stabilized at the limited level within one cycle. Release time is also adjustable on the front panel from 50ms to 1.1 seconds.

A feature of the 1176LN is the use of pushbutton switches to select compression ratios. 20:1,12:1, 8:1 or 4:1.
Another pushbutton switch assembly selects meter functions and applies power to the unit.
Provision is made for remote metering.

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