Solid State Logic X-Logic Series Performance, Curves, HF Band controls, HMF Band controls, B-3

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X-Rack EQ Module

B.3 Performance Specification

The following pages contain audio performance specification figures for the X-Rack EQ Module. No other Solid State Logic products are covered by this document and the performance of other Solid State Logic products can not be inferred from the data contained herein.

B.3.1 Measurement Conditions

For each set of figures on the following pages, the specific unit and test setup will be stated at the beginning of that section. Any changes to the specified setup for any particular figure(s) will be detailed beside the figures to which that difference applies.

B.3.2 Measurement References

Unless otherwise specified the references used in this specification are as follows:

•

Reference frequency:

1kHz

•

Reference level:

0dBu, where 0dBu ≈0.775V into any load

• Source impedance of Test Set:

50Ω

• Input impedance of Test Set:

100kΩ

•All unweighted measurements are specified as 22Hz to 22kHz band limited RMS and are expressed in units of dBu

•All distortion measurements are specified with a 36dB/Octave low pass filter at 80kHz and are expressed as a percentage

•The onset of clipping (for headroom measurements) should be taken as 1% THD

•Unless otherwise quoted all figures have a tolerance of ±0.5dB or 5%

•All measurements are made with the operating level switch set for +4dBu

B.3.3 Performance

Signal applied to Input and measured at Output. EQ switched In. All EQ controls set centre as appropriate.

THD + N

< 0.005% at +20dBu 1kHz

 

< 0.007% at +20dBu 10kHz

Frequency Response

±0.5dB from 20Hz to 20kHz

 

–3dB at 200kHz

Output Headroom

> +26dBu at onset of clipping

Noise

< –83dBu (+4dBu operating level)

 

< –92dBu (–10dBV operating level)

B.3.4 Curves

Each channel contains a four band equaliser that can be switched between two different sets of curves, one based on the latest version of the classic SSL E Series EQ and the other based on SSL’s G Series EQ. High and low pass filters are also available.

HF Band controls:

 

Frequency

Variable from 1.5kHz to 22kHz

Gain

Variable between ±20dB

‘Q’

2.5 (on ‘ ’ setting)

HMF Band controls:

 

Frequency

Variable from 600Hz to 7kHz

Gain

Variable by > ±20dB

‘Q’

Variable from 0.5 to 2.5 (may also vary with gain)

Page B-3

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Contents Page Page U N D V I S I O N Solid State LogicSolid State Logic Contents XLogic Warranty Repairs WarrantyOut of Warranty Repairs IntroductionElectrical Safety Warning Safety considerationsInstallation DefinitionsSafety Considerations Graphical SymbolsMains Supply and Phases Mains Isolation and Over-Current ProtectionRack Installation Assembling the X-RackMounting Connection Exiting Display Mode Stand-alone ModeOperation Total Recall Saving Stores to Internal MemoryRack Installation and Operation AWS Remote ModeNavigating in the Setup menu Setup/MIDI ModeOption Display Setting OverviewSaving Setups to a Mac or PC sa Default Midi Controller MappingMidi m1 Midi Remote Channel ckRemote Mode re Write Protect Mode prTest Mode te Address Setting adTest LEDs tl Test Pots tpSet DIM Level d1 Show Version veBefore continuing see System Requirements overleaf Software Download and InstallationAn be downloaded from Rack Connector Details MiscellaneousRack Internal Links and Fuses Rack Connector Details Mix Bus Link Environmental Specification Physical SpecificationPage MIC Section E Rack Mic Amp ModuleLine Section F A-13 HF/LF Section G Output Section HA-2 Measurement References Measurement ConditionsMicrophone Amplifier Performance A-3Instrument Input Performance Line Input PerformanceA-4 A-5 A-6 Connector DetailsRack EQ Module Frequency SectionsB-1 B-2 Curves PerformanceHF Band controls HMF Band controlsLMF Band controls LF Band controlsB-4 HF EQ Maximum Gain EQ AlignmentHMF EQ Maximum Gain LMF EQ Maximum GainLF EQ Maximum Gain ‘Balance’ AdaptorB-6 B-7 B-8 Compressor/Limiter Section Rack Dynamics ModuleGate/Expander Section D-1D-2 Compressor/Limiter Controls Expander/Gate ControlsD-3 Dynamics Adjustments DistortionD-4 Compressor Law Compressor ThresholdGate Threshold 7 ‘Balance’ AdaptorD-6 Introduction Line Return ModuleOperation Rack Line Return ModuleE-2 Measurement Conditions Performance SpecificationMeasurement References Line Input PerformanceLine Input Calibration InformationLine E-4Line Connector DetailsInsert Send/Return E-5E-6 Overall width front and rear panels are offsetRack Master Module Master ModuleMix Section F-1Monitor Section Configuration Dim LevelExpansion Midi RemoteLevel Compensation Default Midi Controller Mapping600Ω Output Level Compensation F-3Mix Bus Performance Record Bus PerformanceF-4 Meter Level Mix Level TrackingHeadphones Connector Details Ins Rtn, Ext, Mon, Alt MonIns Snd, Mix, Rec, Fol Mon F-6F-7 F-8
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