Ashly Protea 24.24M Operating Manual

24 bit digital multiple channel matrix processor
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Digital Audio Products
24.24M
24 Bit Digital
Multiple Channel
Matrix Processor
WR-1, WR-2, WR-5
Remote Controls
Operating Manual
ASHLY AUDIO INC.
847 Holt Road Webster, NY 14580-9103 Phone: (585) 872-0010
Toll-Free: (800) 828-6308 Fax: (585) 872-0739 www.ashly.com

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  • Page 1 Digital Audio Products 24.24M 24 Bit Digital Multiple Channel Matrix Processor WR-1, WR-2, WR-5 Remote Controls Operating Manual ASHLY AUDIO INC. 847 Holt Road Webster, NY 14580-9103 Phone: (585) 872-0010 Toll-Free: (800) 828-6308 Fax: (585) 872-0739 www.ashly.com...
  • Page 2: Table Of Contents

    Operating Manual - 24.24M Matrix Processor Table Of Contents 1 INTRODUCTION ..........4 2 UNPACKING .
  • Page 3 Operating Manual - 24.24M Matrix Processor 10 OTHER SOFTWARE FUNCTIONS ....... . 18 10.1 Channel Preset File Management .
  • Page 4: Introduction

    PC or a dedicated control system. Factory presets for distributed or conventional sound applica- tions are available on the Ashly website as a starting point to set your own system requirements and may be overwritten, copied and saved to separate preset locations. When using Protea System Software, full system setup and control is quick and easy with the capability of storing multiple system configurations as backups or for future reference.
  • Page 5: Front Panel Features

    Operating Manual - 24.24M Matrix Processor 4. FRONT PANEL FEATURES 4.1 RS-232 Dataport The 24.24M has two RS-232 dataports wired in parallel, one on the front panel and one on the back, for connecting to a computer for software control. See section 7.3 for details on connecting to a computer. 4.2 Device ID/Preset Number This LED and switch have two functions, to select and display the cur- rent 24.24M device ID (0-16), or to select and display a user-defined preset...
  • Page 6: Rear Panel Features

    Operating Manual - 24.24M Matrix Processor 5. REAR PANEL FEATURES 5.1 Input Connections Balanced input signals are connected to the 24.24M using the included "Euro Block" connector. A flat blade screwdriver is required to connect a stripped wire lead to the loose connector, which is then inserted into the rear panel Euro Block receptacle.
  • Page 7: 0-5V Remote Level Control

    Operating Manual - 24.24M Matrix Processor can be used, with all switches sharing a common ground connection. The number below the nine pin Euro Block contact closure connector equals the number of the preset which will be recalled when that switch is closed. Always use the 24.24M contact closure ground for contact closure switches.
  • Page 8: Expansion Module Installation

    6. EXPANSION MODULE INSTALLATION The Ashly 24.24M can be ordered from the factory with expansion modules pre-installed to suit the application, or as a 4 x 4 base unit. Should the need arise to add input or output capacity at a later time, additional four channel input or output modules can be purchased and easily installed in the field.
  • Page 9: Protea System Software

    7.1 How to get Protea System Software Protea System Software is shipped free with each new Protea 24.24M, can be downloaded from the Ashly web site, or can be purchased directly from Ashly for a nominal handling fee.
  • Page 10: Getting Started

    8.3 Preliminary Setup Before connecting the 24.24M to any live audio components, Ashly recommends creating and saving to the PC a rough setup of the target application within software. In other words, determine ahead of time what the connections to each input and output will be, set input preamp gain, configure any signal routing/matrixing, set any output crossover filters, etc.
  • Page 11: Audio Functions

    Within the Protea 24.24M, up to 682 milliseconds of time delay are available on each input channel, allowing secondary loudspeakers to be time aligned with the primary speakers up to 771 feet (235m) away.
  • Page 12 9.1f Input EQ The Protea 24.24M input EQ section offers 15 custom filters per input. Types of filters available for each band include parametric, 1st order and 2nd order low shelf, 1st order and 2nd order high shelf, and all-pass.
  • Page 13 EQ filters, as they offer the best solution to many EQ problems. Protea 24.24M parametric filters have a boost/cut range of +15dB to -30dB. There is more cut than boost because one of the more common uses for parametric filters is to dramatically cut, or "notch out", very narrow frequencies (low bandwidth) in order to eliminate system feedback problems.
  • Page 14 Operating Manual - 24.24M Matrix Processor In ADVANCED MODE, THRESHOLD BELOW TARGET determines the input signal level relative to the target level, above which the autoleveler increases gain, and below which no action is taken. RATIO is defined as the relation- ship of input level change in dB to output level change in dB.
  • Page 15: Output Audio Functions

    Operating Manual - 24.24M Matrix Processor 9.2 Output Audio Functions The following functions are available on all outputs: Mixer, High Pass/Low Pass Filter, Delay, EQ, Gain, Limiter, and Mute. 9.2a Output Matrix Mixer Output channels can have any or all inputs as sources, and the output matrix mixer allows the level of each connected input to be adjusted in the “matrix mix”...
  • Page 16 24dB/oct Linkwitz- Riley filters are the industry standard, the easiest to use, and the filter type recommended by Ashly. Other filter types are available, but may require polarity switching or other adjustments for proper results. The following paragraphs offer a summary of the three filter types as used in the 24.24M crossovers.
  • Page 17 9.2d Output EQ The Protea 24.24M Output EQ section is the same as the input EQ (see section 9.1f), with the exception of the ability to view the combined effect of input EQ for each installed and linked input channel to a given output channel.
  • Page 18: Other Software Functions

    10.1 Channel Preset File Management The Protea 24.24M will store up to 35 named internal presets, each preset storing control data for all channels and audio functions. Preset names must be 20 characters or less. While working in Protea System Software, changes to an individual preset can be saved to the 24.24M using <File/Save Preset To Protea>, or saved to the PC using <File/Save...
  • Page 19: Factory Reset

    Euroblock connectors. Only one 24.24M may be programmed at a time. 1) Obtain the binary file from the Ashly Audio Web site (www.ashly.com). The file name will be “2424M_ programFile_ XY.bin” where XY represents the version number of the 24.24M firmware program.
  • Page 20: Remote Control

    11. REMOTE CONTROL Ashly makes three remote control options for the Protea 24.24M. All of them are designed to be installed in a standard wall mount electrical box using a standard cover plate. The WR-1 and WR-2 are passive controls which can adjust volume or select presets respectively, while the WR-5 (replaces WR-3 and WR-4) is an active control with user defined function buttons and LED display.
  • Page 21: Contact Closure Preset Recall

    (fully clockwise) results in 0 dB gain of the controlled channel. A label template can be found on the Ashly website for printing input or output channel names under control of the WR-1 and sliding the paper be- hind the mylar overlay windows.
  • Page 22: Programmable Zone Controller

    11.3 WR-5 Programmable Zone Controller The WR-5 is a microprocessor based remote control unit for the Protea 24.24M. Like the WR-1 and WR-2, the WR-5 is designed to fit into a standard electrical wall box. Up to four WR-5 remotes can be phantom powered from one 24.24M, and adding more remotes is possible using an external power supply.
  • Page 23: Typical Applications

    • Corporate Boardroom System 12. TYPICAL APPLICATIONS • Restaurant System • Left/Center/Right Theatre System • Conference Center System • Fire Alarm Mute Inputs Outputs 16 Input by 8 Output Boardroom System Mic Inputs: - Gain - EQ - Gate • Shown with three - Autolevel input and one output...
  • Page 24 Inputs Outputs Left / Center / Right LCR Inputs: Theater System Mixing - Ducked Signal Console Output Mic Input: • Three output expansion cards - Ducking Input added LCR Outputs: Subs - HPF / LPF • Complete post-mixer system Under Balcony - Alignment Delay processor for all speaker locations (Delay)
  • Page 25: Troubleshooting

    13. TROUBLESHOOTING TIPS 7) Excessive Noise - Set the Input Preamp gain as high as possible while allowing 20dB of headroom before 13.1 Audio Problems clipping occurs. Do not use input or output Gain controls for large increases (>20dB) in level from input. 1) No power - Is the detachable AC cord fully 8) Forgot the password - See section 10.4 plugged in? Is the rear panel power switch on?
  • Page 26: Specifications

    Operating Manual - 24.24M Matrix Processor 15. SPECIFICATIONS AUTOLEVELER Target Level: ... -40 to +20dBu, 1dBu increments Ratio: ....1.2:1, 1.5:1, 2:1, 3:1, 4:1, 6:1, 10:1 INPUT .
  • Page 27: Block Diagrams

    Operating Manual - 24.24M Matrix Processor Protea 24.24M Input Functional Block Diagram Protea 24.24M Output Functional Block Diagram Protea 24.24M Matrix Meters...
  • Page 28 Operating Manual - 24.24M Matrix Processor ASHLY AUDIO INC. 847 Holt Road Webster, NY 14580 Phone: (585) 872-0010 Fax: (585) 872-0739 Toll Free (800) 828-6308 www.ashly.com © Printed in USA 0207R3 2007 by Ashly Audio Corporation. All rights reserved worldwide.

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