Crest Audio IPro Two Manual
Crest Audio IPro Two Manual

Crest Audio IPro Two Manual

Intelligibility processor studeo series
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IPro Two
Intelligibility Processor

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Summary of Contents for Crest Audio IPro Two

  • Page 1 IPro Two ™ Intelligibility Processor...
  • Page 2 Intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. Intended to alert the user of the presence of important operating and maintenance (servicing) instructions in the literature accompanying the product.
  • Page 3 There may be an occasion when certain frequencies must be compressed then added back to the original “dry” signal, similar to using the IPro Two as one of the bands of a multi-band compressor. A blend control was added so that this could be done without having to sacrifice an external mixer channel (if one is available) to accomplish this feat.
  • Page 4: Control Functions

    In addition, a track input has been provided to monitor an external source (click/cue track, soundcard output from a digital audio workstation, tracks from a multi-track deck, etc.). This signal only appears in the headphone jacks and is independent of the headphone level control. The main level control sets the IPro Two ™...
  • Page 5 LINE LEVEL: Used to set the nominal input levels for the stereo line input. Adjust for a nominal level of 0 dBu for best results. If the line input is not used, this control should be turned off to remove any line pre-amp noise from the signal path.
  • Page 6 100% processed, with all functions on line. At the CCW position, only the pre-amp signal will be present. Any in between settings will be a blend of these extremes. This control will allow the IPro Two to be used as a single band of a multi-band compressor.
  • Page 7 REAR PANEL JACKS: MIC INPUT: XLR low impedance input jacks that will accept a wide range balanced input. Pin 2 is the positive phase input. LINE INPUT: Left/mono and right 1/4" (TRS), high impedance, balanced input jacks. The left/mono jack (if used alone) automatically sums to the left and right inputs.
  • Page 8: Specifications

    IPRO TWO ™ SPECIFICATIONS: Input Specifications Input Z Input gain Input Level, dBu* Bal/ Connector Function (Ohms) setting Unbal Min** Nom. Max*** Min. Microphone 2.2 k Max. Gain -70 dBu -60 dBu -39 dBu Bal. XLR: 150 Ohms 56 dB Pin1 Grd Min.
  • Page 9 IPRO TWO ™ SPECIFICATIONS: Output Specifications Minimum Output Level Bal/ Connector Function Load Z Unbal Nom. Max*** (Ohms) Main 0 dBu +22 dBu Unbalanced 1/4" Phone XLR: +4 dBu +26 dBu Balanced Pin1 Grd Pin2 (+) Pin3 (-) Insert Send...
  • Page 10: Frequency Response

    Controls: Equalization: CONTROL ADJUSTMENT RANGE Parametric (1 and 2) Cut/Boost -15 dB +15 dB, detent = flat Parametric 1 Freq 40 Hz to 15 kHz Parametric 2 Freq 40 Hz to 15 kHz Bandwidth (1 and 2) 2 oct to 1/6 oct Dynamics: CONTROL ADJUSTMENT RANGE...
  • Page 11 DYNAMICS CONTROL SETTING PROCEDURES (EXPANDER, COMPRESSOR, LIMITER) If you are starting from scratch, or have gotten something out of whack and do not know exactly what to adjust, begin by setting the controls so that all functions are disabled. Here are the control positions for this: EX THRESH: min (off) EX RATIO:...
  • Page 12: Practical Applications

    ™ , limited only by your imagination. Here are some suggested uses to inspire your creative talents. The main ingredient is the IPro Two’s ease of setup and use. With mic and line pre-amps, two parametric equalizers, full dynamics, SmarTube ™...
  • Page 13 SETTING UP A DE-ESSER: The human voice has a lot of sibilance. The high frequency content of certain consonants can quickly overload a system with harshness. To help reduce this problem, the compressor can be configured as a de-esser, or a compressor that primarily responds to high frequencies.
  • Page 14 Audio will pay the return shipping charges. How To Get Warranty Service (1) Take the defective item and your sales receipt or other proof of date of purchase to your Authorized Crest Audio Dealer or Authorized Crest Audio Service Center. OR (2) Ship the defective item, prepaid, to Crest Audio, 100 Eisenhower Dr., Paramus, NJ 07652.
  • Page 15: Important Safety Instructions

    16. The user should not attempt to service this equipment. All service work should be done by a qualified service technician. 17. This product should be used only with a cart or stand that is recommended by Crest Audio, Inc.
  • Page 16 Features and specifications subject to change without notice. Crest Audio Inc. • 100 Eisenhower Drive • Paramus, NJ 07652 USA TEL: 201.909.8700 • FAX: 201.909.8744 • www.crestaudio.com ©2001 Printed in the U.S.A. 04/01 80304725...

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