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Operations Manual

Shelford 5051

Inductor EQ / Compressor

Summary of Contents for Shelford 5051

Page 1: ...By Serial Operations Manual Shelford 5051 Inductor EQ Compressor...

Page 2: ...Do not block any ventilation openings Install in accordance with the manufacturer s instructions 8 Do not install near any heat source such as radiators heat registers stoves or other apparatus inclu...

Page 3: ...ges SC HPF Applies a HPF at 250 Hz to the VCA side chain signal FF FB When engaged changes the VCA detection from feed forward to feed back Level Gain Reduction Meters 8 segment LED Meter for monitori...

Page 4: ...rt is a half normal connection so if there is no signal on the S C insert return when it is plugged in there will not be any compression Power In 4 pin power connection with 24V DC from specialized 50...

Page 5: ...io is obtained in the interest of intelligibility within the limited performance of say a reporter s recording device Digital recorders are unforgiving when overloaded Overload can be avoided with car...

Page 6: ...n control or fader consisting of a high quality variable resistor that by definition has a linear transfer characteristic A dynamics controller i e a compressor limiter or expander is a gain control t...

Page 7: ...08 HOW THE 5051 COMPRESSOR WORKS A part of the audio signal is rectified and smoothed to produce a suitable control voltage for the VCA which has to respond very quickly and have low distortion If the...

Page 8: ...om the Portico II Master Buss Processor the 5051 can be configured within a 5088 console to deliver exceptional tonal and dynamic control on each channel Traditional transformer coupled inputs and out...

Page 9: ...a Mid Hi Q switch to narrow the bandwidth increase the Q of the filter The 5051 includes an 18 dB octave high pass filter with cutoff frequencies on a button that toggles through OFF 60 Hz and 120 Hz...

Page 10: ...y the amount of boost or cut gradually diminishes With the HI PEAK button pressed the high frequency band changes to peak mode with a bell shaped boost or cut curve The Peak mode utilizes an inductor...

Page 11: ...er back to off or bypass which extinguishes the LED LOW FREQ The LOW FREQ rotary switch has 4 positions for selecting one of four corner or center frequencies for the low band EQ section The frequenci...

Page 12: ...cluding pumping and a slight modulation distortion in the presence of loud low notes Medium settings are sometimes nice for having the compression act in time with the music Slow release settings tend...

Page 13: ...to choosing compressor settings than meters The meter will generally indicate very brief gain reductions but will tend to exaggerate the duration so that the eye can see transient compression LEVEL M...

Page 14: ...nto the link out jack Plug the other end of the cable into the link in jack of the 5051 to its right In the same way connect all of the 5051 units together LINE 1 XLR female transformer balanced float...

Page 15: ...Noise from 10 Hz to 80 kHz 1kHz 20 dBu output Better than 0 007 20Hz 20 dBu out Better than 0 120 20kHz 20 dBu out Better than 0 070 The Compressor Threshold at 20 dB Ratio at 1 1 1 Gain at 0 Noise M...

Page 16: ...Low Frequency EQ Color Sweep Trace Comment 1 1 Red EQ Flat 2 1 Cyan 35 Hz Full Boost 3 1 Cyan 35 Hz Full Cut 4 1 Green 60 Hz Full Boost 5 1 Green 60 Hz Full Cut 6 1 Magenta 100 Hz Full Boost 7 1 Mage...

Page 17: ...5 20 15 10 5 0 5 10 15 20 d B u 10 200k 20 50 100 200 500 1k 2k 5k 10k 20k 50k Hz Color Sweep Trace Comment 1 1 Red Flat 2 1 Magenta 200 Hz Full Boost 3 1 Magenta 200 Hz Full Boost Hi Q 4 1 Magenta 20...

Page 18: ...SS LIMITED WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED TO THE EXTEND ALLOWED UNDER APPLICABLE STATE LAW IN NO EVENT SHALL RUPERT NEVE DESIGNS BE LIABLE FOR ANY SPECIAL INCIDENTAL OR...

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