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Ashly ne 8250.25 manual

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Table of contents for the manual

  • Page 1

    ASHL Y AUDIO INC. 847 Holt R oad W ebster , NY 14580-9103 Phone: (585) 872-0010 T oll-Free: (800) 828-6308 Fax: (585) 872-0739 www .ashly .com ne 4250 ne 8250 ne 4250.25 ne 8250.25 ne 4250.70 ne 8250.70 ne 4250.10 ne 8250.10 Network Enabled Multi Channel P ower Amplifiers Operating Manual[...]

  • Page 2

    Operating Manual - NE Multi Channel Power Amplifiers 2 T able Of Contents 1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2 UNPACKING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 THE NE MULTICHANNEL AMP SERIES . . . [...]

  • Page 3

    3 Operating Manual - NE Multi Channel Power Amplifiers W ARNING: THIS APP AR A TUS MUST BE EAR THED TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NO T REMOVE C O VER. NO USER SERVICEABLE P ARTS INSIDE. REFER SERVICING TO QU ALIFIED SERVICE PERSONNEL. TO REDUCE THE RISK OF FIRE OR ELECTRICAL SHOCK, DO NOT EXPOSE THIS APPlIANCE T O R AIN OR MOISTURE. TO R[...]

  • Page 4

    Operating Manual - NE Multi Channel Power Amplifiers 4 1. INTRODUCTION Thank you for your purchase of this NE (network enabled) multi channel power amplifier. The NE power ampli- fiers combine lightweight, state of the art, high efficiency sw itching technology with integrated Ethernet control, and use optional modular expansion cards to provide co[...]

  • Page 5

    5 Operating Manual - NE Multi Channel Power Amplifiers ne4250.70 - Four Channels, 70 volt output, 250W per channel ne8250.70 - Eight Channels, 70 volt output, 250W per channel ne4250.10 - Four Channels, 100 volt output, 250W per channel ne8250.10 - Eight Channels, 100 volt output, 250W per channel The basic NE multichannel amplifiers come in either[...]

  • Page 6

    Operating Manual - NE Multi Channel Power Amplifiers 6 Physical Description Each model in the NE Multichannel series is 2RU, and weighs 22 pounds (10kg) or less. The model number is indicated in the lower left corner of the front panel. Amplifier Front Panel 1. Mounting Holes – For rack mounting. 2. Power Switch – Switches the unit on or off. N[...]

  • Page 7

    7 Operating Manual - NE Multi Channel Power Amplifiers Amplifier Rear Panel 1. Optional Cobranet Card CNM-2 – Installation of this option allows this amplifier to be part of a Cobranet audio network. 2. Optional AES/EBU Input or MIC Input - Installation of this option allows for AES/EBU or MIC inputs. 3. Ethernet Port - This offers ethernet contr[...]

  • Page 8

    Operating Manual - NE Multi Channel Power Amplifiers 8 4. REMOTE AMPLIFIER CONTROL ON/OFF/Remote Standby The NE multichannel amplifiers have three possible states, OFF, ON, and STANDBY, each with a status LED on the front panel. Control for these three states is managed by the following: 1) Power Switch - When the power switch is turned off the amp[...]

  • Page 9

    9 Operating Manual - NE Multi Channel Power Amplifiers The WR-5 is a microprocessor based remote control unit which can be used with the NE multi- channel amplifiers. 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 ampli- fier, and adding more remotes is possible using an exte[...]

  • Page 10

    Operating Manual - NE Multi Channel Power Amplifiers 10 5. PROTEA ne SOFTWARE Protea ne software offers a comprehensive suite of tools for controlling Ashly NE multichannel amplifiers as well as other Ashly products. The standard NE multichannel amplifiers allow for ethernet control and monitoring of power functions, level, mute, and polarity. With[...]

  • Page 11

    11 Operating Manual - NE Multi Channel Power Amplifiers 4) Offset link group - Up to eight groups are available for the purpose of linking similar function parameters across multiple channels. In addition to the control surface secondary level control (not the main fader), most DSP functions have a link group check box in their work window to assig[...]

  • Page 12

    Operating Manual - NE Multi Channel Power Amplifiers 12 The DSP Window Extensive online help information is available for all DSP bloc ks. Look in the Protea ne Software Help Menu/ Contents and Index/Contents/Protea NE Products/PE Multichannel Amplifiers/DSP Control for details of all DSP func- tions. The key features include: 1) Input Channel Numb[...]

  • Page 13

    13 Operating Manual - NE Multi Channel Power Amplifiers 4) Pluggable Input DSP Tools - Six boxes are available for custom configuration of pluggable DSP processing blocks. Available DSP blocks include Dynamics controls, Gain f unctions, Graphic and Parametric EQ, Cross over functions, Delay, Metering, and a signal generator. 5) Input/Output Matrix [...]

  • Page 14

    Operating Manual - NE Multi Channel Power Amplifiers 14 DSP Specifications Input: . . . . . . . . . . . . . . . Active Balanced, 10 kohms Max Input Level: . . . . . . +21 dBu Dynamics Brick Wall Limiter Threshold: . . . . . . . . . . . -20dBu to +20dBu Ratio: . . . . . . . . . . . . . . . infinite Attack: . . . . . . . . . . . . . . . 0.2ms/dB to 5[...]

  • Page 15

    15 Operating Manual - NE Multi Channel Power Amplifiers Linking All functions can be linked to 1 of 8 link groups Processors Input A/D: . . . . . . . . . . . . 24 bit (Burr Brown PCM4204) Output D/A: . . . . . . . . . . 24 bit (Burr Brown PCM4104) DSP Processors: . . . . . . 32-bit floating point (Sharc ADSP-21262) Sample Rates: . . . . . . . . . 4[...]

  • Page 16

    Operating Manual - NE Multi Channel Power Amplifiers 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 © 2008 by Ashly Audio Corporation. All rights reserved worldwide. Printed in USA 0308 R2[...]