Equipment information
Orban 290RX Effect Processor
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Model:
290RX
Date:
1991
Category:
Group:
Description:
Adaptive Enhancement Processor
Information
The Orban Rx Adaptive Enhancement Processor is an efficient
and powerful production tool that “brings sound to life” by
increasing the definition, detail, and intelligibility of
both single tracks and mixed program material. It is
applicable to almost all areas of professional audio,
including recording, motion picture and video sound,
post-production, electronic music, sound reinforcement, and
radio and television broadcasting.
Restoration Circuitry:
• Distortion-canceling Harmonic Restoration adds
detail-enhancing second harmonic energy without introducing
difference-frequency intermodulation (IM) distortion.
• Dynamically-controlled Spectral Restoration analyzes the
spectral balance of input material and dynamically
re-equalizes as necessary to improve definition and increase
realism. It operates simply with a single spectral level
control.
• tuning and level controls, familiar to users of other
enhancement processors, are provided in the Harmonic
Restoration circuitry.
Dynamic Single-Ended Noise Reduction (DSNR):
• DSNR circuitry combines a subtle downward expander with a
program-controlled low-pass filter to achieve significant
noise reduction without pumping, breathing, or loss of
intelligibility.
• In addition to reducing noise that could be added by
enhancement, the DSNR circuit can reduce noise to below the
noise level of the original signal.
• Separate threshold controls are provided for the Downward
Expander and Dynamic Filter.
• Downward Expander Gain Reduction and Dynamic Filter
Bandwidth are each metered by ten-segment LED meters,
facilitating easy adjustment of the threshold controls.
System Features:
• The true peak-reading PEAK OUTPUT meters are used with
each channel’s output level control to detect and correct
clipping.
• The three-position signal restoration switch enables
un-enhanced (bypass mode), Rx-enhanced (Rx mode), or
enhancement sidechain (detail mode) signals to be heard and
compared.
• The STEREO COUPLE switch can force left and right expander
gain reductions to track, maintaining correct stereo imaging.
• Inputs and outputs are transformerless, balanced, and
floating.
• Inputs accept -lOdBV and +4dBu signal levels.
• The Rx features extensive RF suppression on its input,
output, and power leads.
Manual Type:
Service and User Manual
Pages:
79
Size:
6.08 Mbytes (6379747 Bytes)
Language:
english
Revision:
Manual-ID:
95092-000-02
Date:
1991 01 01
Quality:
Scanned document, all readable.
Upload date:
2017 10 24
MD5:
2295c1d35de7c6ead4ae0fcf141e792f
Downloads:
472
Information
1-i Section 1: Introduction
Rx Adaptive Enhancement Processor Registration, Warranty,
Feedback
2-1 Section 2: Installation
installation
Audio Connections, Grounding
3-i Section 3: Operation
Controls and Displays
Using the Rx — General Considerations
Specific Applications
4-1 Section 4: Maintenance
Routine Maintenance Getting Inside the Chassis Performance
Evaluation, Alignment
5-i Section 5: Troubleshooting
Problems and Possible Causes Technical Support, Factory
Service Shipping Instructions
6-i Section 6: Technical Data
Specifications Circuit Description
Parts List, Schematics, Assembly Drawings Abbreviations