The mix bus compressor also comes fitted with a very useful rotary knob to automatically control the rate of the fade-time. Separate buttons turn the circuit on and allow access to the side-chain source and Autofade control. Housed in a 1-U rack-mount casing, it has a simple and easy to understand layout with gain reduction meter, threshold, attack, ratio, release and make-up gain. The LIMITER LINK jack simply lets you connect several MDC's together and have one MDC's limiter control the others.The SSL XLogic G Series Compressor is a stereo bus VCA compressor featuring their SuperAnalogue circuitry.ĭerived from their classic SL 4000 centre-section compressor, the XLogic G Series uses the SSL SuperAnalogue circuitry to give complete control over your stereo mixing environment.Īs ever, with this stereo bus compressor Solid State Logic has continued its commitment to sonic excellence and great build quality. These aren't common names of jacks on the back of processors you're used to. The other jacks on the back panel are the DETECTOR LOOP input and output jacks, the GATE KEY IN jack, and the LIMITER LINK jack. The unit may be used in an unbalanced setup. The inputs and outputs are balanced, and you get either a ¼-inch (TRS) jack or the standard XLR jack for each. Turning our attention to the back panel we find two left channel inputs, two left channel outputs, two right channel inputs, and two right channel outputs. Set the de-esser LEVEL control to zero to shut the de-esser off. For example, to bypass the compressor, set the RATIO to 1:1. By the way, not only can you bypass the entire box with the BYPASS switch, but each of the sections of the unit can be bypassed by setting certain controls to their minimum value. Finally, you get a BYPASS indicator which lights when the unit is bypassed with the BYPASS switch. Two red LED's above the PEAK LIMITER/CLIPPER control indicate that the audio level has reached the threshold level set for the limiter. Yellow LED's above the EXPANDER, NOISE GATE, and EXCITER controls indicate that the thresholds of these functions have been exceeded and the indicated function is active. Two 8-LED meters above the OUTPUT controls are switchable between INPUT and OUTPUT and display the respective levels for each channel. The meters remain active even if the unit is bypassed with the BYPASS switch. The center LED represents unity gain, and increase or reduction in gain is displayed by LED's lighting either to the right or left of this zero point. These two, twenty-one LED meters display a range of -30dB to +30dB. Taking the LED tour of the front panel we have two GAIN CONTROL METERS, one for each channel. They can be set from zero output to +6dB gain. The knobs to the far right of the front panel are the MASTER OUTPUT controls for the left and right channels. When the level reaches 6dB above the set threshold, the "clipping" circuit engages. The attack time of the limiter is 100 to 300 microseconds. This threshold setting is adjustable from 0dBm to +20dBm and lets you set the maximum level you don't want the unit to exceed. The PEAK LIMITER/CLIPPER control is just to the right of the expander controls. Its effect is very noticeable and functions well when using the box as a mike processor. Not being a harmonic generator, this exciter circuit acts very much like an EQ section devoted primarily to upper mid and high frequencies. The frequencies to be "excited" are determined by the FREQUENCY control setting. Highs are detected then boosted an amount set by the LEVEL control. Audio first hits a high pass band filter and then enters an upward expander with a slope of 1:1.5. The LEVEL control is adjustable from 0 to 10 and the FREQUENCY control from 4kHz to 15kHz. Next stop on the panel tour brings us to the LEVEL and FREQUENCY controls of the EXCITER section of the box.
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