155 HD96-24-CC-TP User Manual
KT 1176 Limiting Amplier
When Urei released the 1176LN Limiting Amplier in the late 60s, it broke new ground. The Field Eect Transistors employed had just been invented and the 1176 was
one of the rst audio processors to benet from this new technology. Our digital reincarnation is based on the early Rev. E model and authentically captures the
smooth character of the original class-A output stage and its FET’s legendary Fast Attack. Inspired by Urei 1176LN. With an added MIX new sound creation possibiltes
are available using parallel comprerssion techniques.
Item Control Function
1 Input control
Input - ∞ to 0 dB determines the level of the signal entering the 1176 KT, as well as the threshold. Higher
settings will therefore result in increased amounts of limiting or compression
2 Mix control
Dry/wet mix. Allows Parallel compression, a form of upward compression, is achieved by mixing an
unprocessed 'dry' signal with a heavily compressed version of the same signal.
3 Output control
Output - ∞ to 0 dB determines the nal output level of signal leaving the 1176 KT. Once the desired amount
of limiting or compression is achieved with the use of the Input control, the Output control can be used to
make up any gain lost due to gain reduction.
4 Attack control
Sets the amount of time it takes the 1176 KT to respond to an incoming signal and begin gain reduction.
The 1176 KT attack time is adjustable from 20 microseconds to 800 microseconds. The attack time is fastest
when the Attack knob is in its fully clockwise position and is slowest when it is in its fully counter clockwise
position.
5 Release control
Sets the amount of time it takes the 1176LN to return to its initial (pre-gain reduction) level. The 1176LN
release time is adjustable from 50 milliseconds to 1100 milliseconds (1.1 seconds). The release time is fastest
when the Release knob is in its fully clockwise position and is slowest when it is in its fully counter clockwise
position.
6 Ratio buttons
The 1176LN Ratio buttons allow four dierent modes of operation:
All – The famous all buttons pressed mode (extreme limiting). 4 - Selects a 4:1 ratio (moderate compression).
8 - Selects an 8:1 ratio (hard compression).
12 - Selects a 12:1 ratio (smooth limiting).
20 - Selects a 20:1 ratio (hard limiting).
7 Level meter Displays the chosen metering option.
8 GR The amount of gain reduction.
9 (+) 8 When +8 is selected, a meter reading of 0 corresponds to a level of +8 dB.
10 (+) 4 When +4 is selected, a meter reading of 0 corresponds to a level of +4 dB.
11 Power button On/O control for the compressor.
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