8 Channel Dual-Mode Compressor/Gate with iTS Hysteresis and Flexible Channel Linking
- High-performance frequency-selective compression and gating with comprehensive control options
- Intelligent Threshold Shift (iTS) gate hysteresis to avoid re-triggering by low frequency signals
- Flexible channel linking allows multiple combinations of side chain summing to preserve stereo images
- Solo bus allows monitoring of the side chain control signals without affecting channel outputs
- RMS and “Vintage” peak-sensing compressor modes
- Soft or hard knee compressor response
- Side chain band-pass filter allows frequency-selective compression or gating for creative and corrective control
- External side chain input on balanced 1/4” TRS connector for each channel
- Electronically balanced inputs and outputs on Neutrik* XLR connectors
- Rugged 3U rackmount chassis for durability in portable applications
- Auto-ranging universal switch-mode power supply
- 3-Year Warranty Program*
- Designed and engineered in the U.K.
A veritable tool box of dynamics processing, SQ1D provides 8 channels of either compression or gating in a compact 3U high rack unit. This tightly integrated form factor allows the channels to be used together with ease, and includes highly flexible options for channel linking and side chain filtering and monitoring. SQ1D features multiple compression modes with combinations of RMS and Peak sensing and Hard and Soft Knee characteristics, ideal for both corrective and creative dynamics processing. In conjunction with the fully-featured noise gate and side chain options, one SQ1D can replace multiple other dynamics processors with considerable savings in space, weight and cost, with the confidence of knowing that whatever the application, SQ1D is more than capable of providing the required dynamic control of signal levels.
Intelligent Threshold Shift (iTS)
iTs operates in conjunction with the Gate Hold control to reduce false triggering of noise gates. When signals (especially low frequency ones) are very close to the gate threshold, a gate can repeatedly open and close on the programme material. iTS ensures that the gate remains open by automatically adjusting the gate threshold downwards the moment the signal goes over the threshold setting. When the signal eventually falls below the (new) temporarily adjusted threshold, the iTS function resets, ready for the next gate opening. This hysteresis action results in more decisive operation of the noise gates, and attack envelopes also start instantly and consistently, even on signals that are only slightly over threshold.
Flexible Channel Linking
Adjacent channels can be linked in any combination for stereo or multichannel operation. When any number of adjacent channels are linked, the linked channels all adopt the operating mode (compressor or noise gate) of the left-hand channel of the linked group. This channel’s settings now control all the members of that group, with only the make-up gain and Side chain filter frequency controls independent for optimising the action of the compressor or gate for each channel.
Independent Side Chain Monitoring
SQ1D overcomes a common issue with many outboard dynamics processors, where the side chain listen function is routed to the main output when engaged, which prevents mix engineers utilising this essential function during a live performance. SQ1D features an additive console-style Solo Bus which allows monitoring of the incoming signals at source and the fine-tuning of the side chain filters. Dedicated input and output XLR connectors allow this bus to be cascaded between multiple units and connected to a spare input channel or auxiliary return on the mixing console, for easy and convenient monitoring by the mix engineer. A Solo In Place button is included which will route the side chain signals directly to the audio outputs, a useful feature during the set-up for a show.
Multiple Compression Modes
SQ1D features a “Vintage” switch allowing the selection of the default RMS sensing compression mode, or when engaged, an emulation of many older compressor designs with exponential attack and release envelopes. When used in conjunction with the “Hard Knee” switch, SQ1D provides several different forms of compression to suit a wide range of programme material. By default, SQ1D offers a Soft Knee response, however when the “Hard Knee” switch is activated, a Hard Knee response is provided instead.
With both mode switches inactive the compressor behaves in the default RMS and Soft Knee modes. This gives the slowest (and most subtle) feel to the compressor envelopes. The soft knee curve combines with the adaptive RMS attack and release times to produce gentle envelope responses that are ideal for compressing sung vocals, but which can still be aggressive enough to limit transients when needed. The Soft Knee curve also reduces the adaptive nature of the RMS detection slightly, providing a little more manual control of the envelope timings than is the case below.
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